Wide testing range Voltage Polarity Testing3-65v low DC volt circuit test light, designed for checking various vehicles electrical circuits, such as automotive headlights, taillights, faulty sockets, fuse, also for testing other 3-65V DC wiring and circuits. This is also a bidirectional voltage tester with volt polarity indicating, you can attach the alligator clamp either to ground or positive. A must have tool no matter for business or household use, will serve you faithfully for years.. Computer Safe Backlight Digital Display PartHeavy Duty circuit light tester with highly clear LCD digital blue backlight display screen, resolution to .1V voltage reading with high accuracy to 0.2V, clearvisible digital readouts for day and night. Jastind test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits.. Quality Made Tester BodyProfessional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock.. Extended PU Spring Large Alligator ClipHigh quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand operation, also for convenient use and storage.. Long Time Quality SupportIf you are looking for a durable circuit testing tool, this one is for you. We always stand behind our products, click Add to Cart with confidence today..

3-72 V Wide Testing Range This professional automotive circuit tester light with 3-72V DC voltage testing range, widely and ideal for checking various vehicles electrical circuits, automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections, also for testing other 3-72v DC wirings and circuits.. Buzzing Bidirectional Voltage Testing Mode You can attach the alligator clamp either to negative or positive ground, there are two light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity, and one sound buzzing for positive and double sound for negative.. Computer Safe Accurate LED Digital Reading Digital LED voltage display for accurate volt readouts, .1 v resolution ratio with high accuracy. Compared with LCD, clearvisible LED reading display for day and night. LED circuits board with micro current than traditional test lights, more secure and burn-resistant to automotive computer board.. Quality Made Anti-lost Needle Cover Sharp stainless steel probe for piercing wires, also for hard to reach tight areas. Heavy duty test light body constructed with high quality plastic, shatter-proof, more durable than normal test lights. Anti-lost Silica Gel Needle Cover was designed as a part of the spring wire, no worry about losing it during testing and storage.. Convenient Use High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, convenient for use and storage, along with large size alligator clip for easy one hand operation..

2 in 1 Design. This trailer light tester combines both 4 way circuit tester and 7 way trailer light tester, allows you to test both the 4 pin and the 7 blade connectors. Easy and quick to test trailer circuits on most trucks. Notes

For 7-Way Flat Spade, 6-Way Round and 45 Pin Terminals Patented. Maintains continuity and prevents circuit failure Use as a pin wear gauge. Quickly and precisely cuts away corrosion Cleans tail and side marker light terminals. Enhances electrical contact points and extends harness life.

Electrical testing 1224 volt operation. ABS testing. Air brake testing. Remote control.

Tests 7-spade, 6-round and 45-flat pin type trailer harnesses. Short circuit protection. Turn signal simulation and power verification LED. Trickle charger and trailer plug adapter included. Water resistant with an internal battery compartment Battery not included.

Locate circuits fast Identify open wires, shorts, and circuit breakers quickly with transmitter signal and audible receiver feedback. Trace hidden wiring Wire tracer follows cables behind walls, under carpets, and through harnesses without damaging insulation. Wide voltage range Electrical tester supports 6 to 42 volt DC systems, perfect for modern vehicles and standard car repairs. Flexible probe design 7 inch bendable probe reaches tight spaces for easy circuit tracing in dashboards, fuse boxes, and panels. Safe and simple tool Non-contact circuit tracer connects easily, no wire piercing needed, for automotive and home electrical use.

Simulates trailer brakes so tow vehicles can be tested without a trailer. Patented technology works with all integrated and aftermarket brake controllers for accurate diagnostics. Tests all lighting circuits and electric brake systems to detect wiring faults and connection issues. Includes a 25-ft cord for solo operation and test-drive functionality. Comes with a soft nylon case for easy storage and transport.

Wireless Intelligent Control, trailer light tester Innovatively equipped with industrial-grade wireless remote control, 100-foot ultra-long-distance precise control, one person can complete the entire process test Say goodbye to the traditional test box that needs to run back and forth for testing, especially suitable for large parking lotsfreight stations and other scenarios. Trailer light tester Built-in 2.4GHz anti-interference chip, the trailer detection efficiency under complex working conditions is increased by 300Product patents pending. Long-Life Battery Pack Trailer light tester Equipped with lithium-ion power battery pack 12V 10Ahcycle life 2000 times safety protection system, it can work continuously for 8 hours. The all-metal body can still operate stably in extreme environments of -2060, trailer light tester especially suitable for outdoor maintenance without power supply, operations in extremely cold areas in winter and other scenes. Full-Scene Adaptation, One-Plug And Play Trailer light tester Adopts military-grade 7-way flat spade pin45-way pin interface, perfectly compatible with mainstream American standard trailer plugs. Whether it is a motorhome, container truck, agricultural trailer or yacht trailer, no adapter is required, and it can be quickly connected in 1 second. It also comes with a 7-way trailer plug tester to check whether the main vehicle interface is normal. A one-stop solution to all problems encountered by trailers. Full-Function Diagnosis 7-channel independent detection module, which can accurately check abnormal turn signal flicker, abnormal brake signal, abnormal reversing signal, abnormal driving light signal and other faults with one click, equipped with professional-grade circuit analyzer function. trailer light tester test accuracy reaches the milliampere level to ensure that the trailer lighting system is 100 in compliance with safety standards. Aluminum Alloy Body The trailer accessory body is crafted from aircraft-grade aluminum, precision-forged, and anodized with a matte black finish, providing permanent rust resistance and exceptional corrosion resistance. The trailer light tester has passed a 72-hour salt spray test, ensuring long-lasting performance and excellent performance in wet, salty outdoor environments, significantly reducing maintenance costs..

3 in 1 Design This trailer wiring tester combines both 5 way and 7 way trailer tester, allows you to test the 4 pin flat, 5 pin flat and the rv blade 7 way trailer connectors, easy and quick to test trailer circuits on most trucks Note This trailer tester does NOT work with vehicle has a lamp-out sensor, such as 2020 GMC, Chevrolet, BMW, VW, Audi, Mercedes-Benz, Porsche etc.. Upgraded Double-Sided LED Indicators 5 pin flat 7 pin trailer plug tester designed with LEDs on both sides for easy reading, Unlike the other testers only have one side leds, which make it hard to read A great tool to help troubleshoot issues or verify you have install or fixed your trailer plug correctly. 6 Light Functions Versatile trailer socket tester can be used to test 6 separate trailer light functions, quickly confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle. Bright LED Indicators Multi-function trailer hitch tester equips a LED light for each electrical function Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem. Durable Construction For long-lasting use, this 7 pin trailer plug tester is made from durable ABS plastic, which will never rust or corrode, Tin-Plated copper terminals makes great conductivity. Simple to Use No batteries or wiring needed Trailer light checker is easy to use, ergonomic design is convenient for plugging in or unplugging Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles.

Function Nilight Trailer connector tester helps you confirm proper vehicle and trailer electrical function. Allows you easily and quickly to diagnose and fix problems of trailer socket circuits, short time to troubleshoot the issue.. Multiple Use - This 7 way blade trailer wiring tester tests for tail lights, brake lights, reverse lights, turn signals, brakes and auxiliary power. Compatible with standard 7-way blade trailer sockets. Delicate figure design make it be carried and stored easily.. Quick Identification- Features 6 bright LED indicators. Clear and obvious labeling of each light enable you quickly to identify the working and faulty circuits at a glance.. Durable Sturdy - Plastic body with optimal weather, corrosion, and impact resistance to last for long time use. Nickel-plated copper pins not only increase conductivity but also anti- wear anti-corrosion.. How to Use Straight forward plug the tester into the tow vehicle, or an adapter, turn on the lights, and check the easy to read LEDS. Package Included 1 x Trailer Connector Tester, 1 x User Manual..

INSTANT AND ACCURATE VOLTAGE READINGS This professional digital test light with voltmeter features a crystal-clear digital LED screen that delivers pinpoint voltage measurements from 3-48V with 0.1V resolution. Making it the perfect voltage tester for any automotive electrical work and systems, ideal for professional technicians and DIYers alike. AVOID COSTLY CONNECTION ERRORS Stay safe and protect sensitive vehicle electronics with the intuitive dual-color polarity lights, red for positive and green for negative -that illuminate instantly when the stainless steel probe touches a circuit. Taking the risk out of electrical work, making it a must-have for garage safety. BUILT TO SURVIVE THE BUSY WORKSHOPS This electrical tester boasts a rugged ABS body that resists drops, grease and impact, ideal for the chaos of garages or DIY home projects. The sharp stainless steel probe penetrates tight spaces and maintains solid contact, while the reinforced construction ensures long-lasting performance even with daily use. FLEXIBLE TO REACH EVERY SPOT Effortlessly diagnose hard-to-reach areas with the extra-long, 96-inch flexible spring coil wire. It allows you to easily access any part of your car, truck, or motorcycle from a single ground point. Plus, the integrated anti-lost probe cover keeps your tool protected and easy to find. VERSATILE FOR ALL YOUR NEEDS This all-in-one automotive circuit tester is ideal for 12V24V systems. Perfect for checking fuses, verifying voltage at connectors, testing circuits, and tracing wires on your car, truck, RV, boat, and more. Making it an essential tool for consistent quality in your daily electrical troubleshooting.

Wireless Remote Control Operation The Zuomeng trailer tester box with battery is equipped with a wireless remote control, allowing you to operate the tester remotely, eliminating the need for running back and forth or coordinating with multiple people. This saves time, improves work efficiency, and makes testing easy.. Wide Compatibility The trailer light tester box is compatible with various 7-pin round trailer plugs, requiring no additional adapters to easily meet the testing needs of different types of trailers.. Safe And Convenient Equipped with short-circuit protection and overload protection functions, it effectively prevents equipment damage and ensures safe use. At the same time, the built-in 12V 10Ah lithium iron phosphate rechargeable battery allows use in remote areas without the need for an external power supply.. Comprehensive Electrical System Testing The trailer light tester can test all trailer lighting functions, including turn signals, brake lights, tail lights, and reverse lights, accurately verifying wiring settings to ensure the safety and reliability of the trailers electrical system.. Durable And Sturdy Made with a metal 7-pin trailer socket for greater durability, it also comes with a sturdy waterproof carrying case that is sun-proof, drop-resistant, high-temperature resistant, and shock-resistant, capable of withstanding harsh working conditions..

7 Way Trailer Light TesterThis 7 pin trailer plug tester tests taillight, right turnbrake and left turnbrake feeds.Tests 6 usual trailer light functions,a great tool for diagnosing problems with your trailer light fixtures.. Plug Play Simple plug-and-play design, just plug the 4 way trailer plug tester into the connector, turn on the vehicle lights and signals, then check the LED lights on the tester. Each of the indicator light with clear labeling to tell you which of your towing vehicle lights work or not. No extra tools or batteries needed, simple and easy, that's it.. Bright LED Indicators This 4 way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem. Portable DesignSmall size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it. Take this trailer lights tester to be your assistant when needed wherever you go. 1-Year Warranty for Added ConfidenceWe prioritize product quality and your experience. If you encounter non-human-caused quality issues, well provide a replacement as promised. Count on our commitment to reliable, long-lasting trailer accessories..

One-Man Trailer Tester Compact, rugged 7-way round diagnostic unit for lighting and air brake systemsideal for fleet maintenance, shops, and roadside service.. Quickly diagnose trailer wiring issues with auto fault alerts for shorts, opens, overloads, and ground failures.. Chase down intermittent shorts without blowing fusessaves time and eliminates diagnostic guesswork.with Pulsar mode, cross, open, overloaded and shorted circuit indication with amperage readout audible and visible alerts. Air Brake System Testing Activate and verify service and emergency brakes, measure pushrods, and perform leak-down tests remotely.. Remote-Controlled Operate all lights and brakes up to 200 ft away with a 12-button remotetrue one-man operation..

4 Way Trailer Tester Using this 4 pin trailer plug tester to confirm proper function of your vehicle's trailer wiring harness, excellent for diagnosing trailer light issues, lets you know where in the system there is a problem instead of guessing It also acts as a standard 4-Pin male and female trailer connector. Plug and Play 4 pin trailer plug tester is easy to use, just plug the tester into the 4 pin flat trailer connector on your tow vehicle and trailer to test taillights and turn signals for proper operation. Bright LED Indicators 4-way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem. Durable Construction 4 pin trailer socket tester is made from durable ABS plastic, which will never rust or corrode Tin-Plated copper terminals makes great conductivity, comes with a rubber dust cover to protect the terminals when not in use. Compact Design Small size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it.

All-in-One ConnectivityTrailer Tester virtually all trailer types with integrated 7-Way Flat Spade, 6-Way Round, and 45-Pin Connectors. Eliminates the need for multiple testers for RVs, boat trailers, utility trailers, and horse trailers. Single Testing Tool7 Pin Trailer Wiring Tester Perform complete trailer checks without a tow vehicle. Quickly verify tail lights, turn signals, brake lights, and electric brakes right in the shop or storage site, saving time on pre-trip inspections. Rugged Weather-Resistant7 Pin Trailer Wiring Tester Housed in a durable, water-resistant case built to withstand workshop and outdoor use. The robust construction ensures long-term reliability by protecting internal components from dust and moisture. Short-Circuit Protection9101 Trailer Light Tester Features built-in short-circuit protection to safeguard both the tester and the trailers electrical system during diagnostics. Auto-resetting prevents damage from accidental wiring faults. Portable Ready to UseTrailer Light Tester Box Compact and portable for easy storage and transport. Operates on a common 12V battery battery not included, with a clear layout for quick, straightforward diagnostics anywhere. Worry-Free ServiceOur Promise Full Support Free Returns.Your satisfaction is guaranteed. If any problems arise with your 9101 Tester, our after-sales team is here to help with free returns and exchanges.

JUNCTION BOX The junction box is equipped with 7 color-coded terminals and wires, which can easily identify the corresponding functions of the wires and facilitate wiring. Strong junction boxes are waterproof and dust resistant to increase the service life of trailer cords. COPPER POWER CORD The 7-way trailer cord is made of high-quality copper and has a long service life. And has excellent electrical and thermal conductivity, to ensure the normal use of car lights in the process of driving such as turn signal and brake lights, etc.. BREAKAWAY SWITCH This 12 V trailer breakaway switch provides safer traction by connecting the trailer's breakaway battery and trailer brake. If the trailer is disconnected while being towed, the cable will release and the brakes will be activated. DETAILED WIRING INSTRUCTION CheeMuii trailer cords use 7 color-coded wires, and the color code adopted is suitable for most RV trailer wiring standards, but as there are some differences between trailer manufacturers, we have updated the detailed instructions, please read them carefully before use. Please refer to the wiring instructions and connect cables according to the color and function of the wires to avoid errors. WIDE APPLIATION Suitable for trailers, RVs, campers, caravans, food vans and other towed vehicles. Perfectly connected taillights, brake lights, reverse lights, turn signals and auxiliary power.

4 Way Trailer Tester Using this 4 pin trailer plug tester to confirm proper function of your vehicles trailer wiring harness, excellent for diagnosing trailer light issues, lets you know where in the system there is a problem instead of guessing It also acts as a standard 4-Pin male and female trailer connector to connect standard 4-pin trailer wire. Plug and Play This 4 pin trailer plug tester is easy to use, just plug the tester into the 4 pin flat trailer connector on your tow vehicle and trailer to test taillights and turn signals for proper operation. Bright LED Indicators This 4-way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem. Durable Construction 4 pin trailer socket tester is made from durable ABS plastic, which will never rust or corrode Tin-Plated copper terminals makes great conductivity Female end tester comes with a rubber dust cover to protect the terminals when not in use. Compact Design Small size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it Take this tester to be your assistant when needed wherever you go.

FunctionThis 7 way light cord tester is designed for to diag wiring issues with both truck and trailer, especially if your lights fail at night, you can know where the problem is in less than 5 minutes and make timely repairs, This will help avoid opening the hood and changing a fuse in the middle of the highway.. EXCELLENT PERFORMANCEThe RV 7 round pin testing is a great way to test your trailer at the 7-way socket, including left and right turn signals, hazard lights, brake lights, clearance, tail tags, and ABS.. ONE MAN TESTINGThe 7 way trailer testing allows one-man testing for male and female 7-way round pin tractor trailer plugsand a winged grip for easy and quick removal. Compatible with 7 round pin trailer truck, replace 7865L.. PREMIUM QUALITYLong life-span matters, that is why our 7-way plug tester is composed of high-quality materials such as plastic, metal, and wires, which can effectively prevent corrosion and rust, greatly increase the service life. Coming with a tester, a brass jumper, a manual.. 24-MONTH WARRANTY If for any reason at all, you are not fully satisfied with this 7-pin plug tester, simply contact us through amazon message at any time. We will provide comprehensive quality assurance for our product..

FUNCTIONAL DESIGN MICTUNING Trailer connector tester helps you confirm proper vehicle and trailer electrical function. Allows you easily and quickly to diagnose and fix problems of trailer socket circuits, no need to go to an expensive repair shop, save your money a lot. MULTIPURPOSE USE This 7 way blade trailer wiring tester tests for tail lights, brake lights, reverse lights, turn signals, brakes and auxiliary power. Small size design make it toss in glove compartment, pocket or tool box conveniently. QUICK IDENTIFICATION Features 6 bright LED indicators. Clear and obvious labeling of each light enable you quickly to identify the circuits that is under normal or faulty working condition. EASY TESTING Just plug the 7 way trailer tester into the tow vehicle, check the LEDs to see whether they are working or not. Compatible with standard 7-way blade trailer sockets. DURABLE AND STURDY Plastic body with optimal weather, corrosion, and impact resistance to last for long time use. Nickel-plated copper pins not only increase conductivity but also anti- wear anti-corrosion.

Suitable for 4-pin small trailer light testers and circuit troubleshooter, quickly and easily check whether your trailer wiring is properly installed on your vehicle. Compact pocket design 4 way flat trailer tester with a key ring for easy carry, you can attach it on your key holder, No batteries needed. Brass connectors makes better conductivity, waterproof ABS Plastic Housing designed to be weather, corrosion, and impact resistant for years of reliable service. 4 pin trailer wiring tester plugs into tow vehicle's conventional 4-prong flat towing plug to test turn rightleft, and tailgate light for proper operation. Easy to see bright LEDs Turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem.

Multi-Tow Trailer Adapter 7 way to 12 volt power adapter not only converts 7 way flat blade to a 4-way or 5-way trailer connector, also adapts 7 way into 12 volt power cigarette lighter socket Note This adapter doesn't work with vehicle has a lamp-out sensor. 12V Cigarette Lighter Power Outlet 12V power can be used to power air compressors, spotflood lights, inverters, freezer, electric coolers in the back of your truck Put 12v outlet where you need it, plug and play, much easier solution than running wires from battery to the truck bed Note Some vehicle models might do not have a relay in position from the factory to run the 12 volt, if your 12V plug is not working, please check your fuse panel and install the relay fuse. Trailer Circuit Tester. 7 way trailer plug adapter also can be used as a 7 pin trailer tester to check the connectivity of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power, you can find out which wiring has a problem easily with the bright LEDs indicators. 7 Pin to 4 and 5 Pin Trailer Adapter Multi-function trailer plug adapter converts standard rv blade 7 pin trailer plug to standard 4 and 5 way trailer connector, adding versatile towing options for your vehicle 45 way socket can be used to connect trailer taillights, brake lights, reverse lights and turn signals. Widely Use 7 way cigarette lighter plug adapter works fine with any factory OEM 7 pin plug, suitable for Truck, Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM, Nissan, Toyota, GMC and Jeep etc.

5 WAY TRAILER TESTER Using This 5 Pin Towing Plug Tester To Confirm Proper Function Of Your Vehicles Trailer Wiring Harness, Excellent For Diagnosing Trailer Light Issues, Lets You Know Where In The System There Is A Problem Instead Of Guessing It Also Acts As A Standard 5-Pin Male Female Trailer Connector To Connect Standard 5-Pin Trailer Wire.. PLUG PLAY This 5-Flat Trailer Light Tester Is Easy To Use, Just Plug The Tester Into The 5 Way Flat Trailer Connector On Your Tow Vehicle And Trailer To Test Taillights, Reverse Lights, Turn Signals And Brake Lights For Proper Operation.. DURABLE CONSTRUCTION 5-Pins Trailer Socket Tester Is Made From Durable ABS Plastic, Which Will Never Rust Or Corrode Tin-Plated Copper Terminals Makes Great Conductivity Female End Tester Comes With A Rubber Dust Cover To Protect The Terminals When Not In Use.. CONVENIENTLY COMPACT Fits in any glove box or tool kit 0.6 x 1.6 x 1.3, ensuring the 5-way trailer circuit tester is ready whenever you need to test or maintain your trailer. Its LED lamp beads are clearly visible in low-light environments.. NO TOOLS REQUIRED Plug And Play Design Means You Need No Additional Tools To Test Trailer Light Harnesses. No Batteries Needed.

Wireless Remote Operation The Zuomeng trailer tester box with battery connects to your phone via Bluetooth using the GeniLife App, allowing you to run all test functions remotely. No need to shuttle back and forth or rely on extra handssaving time and boosting overall efficiency.. Broad Compatibility The trailer light tester box works with multiple 7-way flat spade connectors and comes with 6-way round and 45-pin adapters, making it suitable for a wide range of trailer types.. Safe and Convenient Equipped with short-circuit and overload protection to prevent device damage and ensure safe operation. The built-in 12V 10Ah LiFePO4 rechargeable battery allows use in remote areas without external power. Real-time battery visualization in the app lets you monitor remaining power and avoid interruptions.. Complete Electrical Testing The tester checks electric brakes as well as all trailer lighting functionsturn signals, brake lights, tail lights, and reverse lightshelping you verify wiring accuracy and maintain electrical safety and reliability.. Rugged Long-Lasting Featuring a durable metal socket and a tough waterproof carrying case that resists UV exposure, impact, heat, and vibration, its designed to withstand demanding work environments..

4-Way Trailer TesterThis 4 pin trailer plug tester tests taillight, right turnbrake and left turnbrake feeds.Tests 3 usual trailer light functions,a great tool for diagnosing problems with your trailer light fixtures.. Plug Play Simple plug-and-play design, just plug the 4 way trailer plug tester into the connector, turn on the vehicle lights and signals, then check the LED lights on the tester. Each of the indicator light with clear labeling to tell you which of your towing vehicle lights work or not. No extra tools or batteries needed, simple and easy, that's it.. Bright LED Indicators This 4 way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem.. Portable DesignSmall size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it. Take this trailer lights tester to be your assistant when needed wherever you go.. 1-Year Warranty for Added ConfidenceWe prioritize product quality and your experience. If you encounter non-human-caused quality issues, well provide a replacement as promised. Count on our commitment to reliable, long-lasting trailer accessories..

CompatibilityConnect in 7 way round electrical connector 7 way trailer plug tester7865L Work on SAE J560 Style. Eliminate PitfallsTrailer Tractor Light Tester pass LEDs Indicate that Each Circuit is Working including left and right turnsignals, hazard lights, brake lights, clearance, tail tags, or ABS circuits Eliminate guesswork during testing provide clear and reliable visual cues to ensure accurate results in a fast and direct manner. Advanced EngineeredThe 7 pin trailer plug tester is resistant to rain, snow, dirt, and other debrisWing-shaped handle design, easy to disassemble, carry and store. Guard and secureOur One-Man Testing tool 7 way trailer plug tester is designed to simplify troubleshooting while on the road ensuring a convenient solution for identifying and resolving electrical issuesThe safety and security of every truck driver. After-Sales ServiceBuy with confidence Our 7 way trailer plug tester come with a 2-year replacement warranty and undergo strict inspection to ensure quality. We also offer a return and exchange service for your peace of mind..

IMPORTANT NOTE ?Tester may appear upside down on some 2017 Newer F150ChevyGMC models. Not compatible with LED lighting systems or vehicles with lamp-out sensors, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.. QUICK AND EASY TESTING Simplifies testing of trailer circuits for 7-Pin and 4-Pin connectors. Tests brake lights, reverse lights, turn signals, electric trailer brakes, and 12V auxiliary power.. 6 LIGHT FUNCTIONS Each function has a dedicated LED indicator for easy troubleshooting. Labels LT Left TurnStop, RT Right TurnStop, TM Tail Lights, BK Electric Brakes, BU BackupReverse, 12V Auxiliary Power.. 2-IN-1 DESIGN Combines a 4-way circuit tester and 7-way trailer light tester, while also converting 7-pin output for connecting 4-way trailer plugs, suitable for most trucks.. WARRANTY Fully covered by our free 30-day warranty, offered only by OPT7..

Function 4 way trailer circuit tester can use check proper function of your vehicles trailer wiring harness,suitable for diagnosing trailer light issues.Don't need extra tools or batteries. Special design 4 pin trailer plug tester have small size and is convenient for storage,fit your car door pocket or tool box.The trailer plug tester is marked with clear LED light to tell you which of your towing vehicle lights work or not. Simple to use The 4 pin trailer plug tester is easy to use,plug the tester into the 4 pin flat trailer connector on your car and check circuit wiring is functioning correctly.LEDs will all light up if circuits are running correctly. Material 4 pin trailer socket tester made of durable ABS plastic,which rust resistance and wear,one end is fitted with a dust-proof rubber sleeve to protect the terminals when not in use. Suitable vehicles Trailer Light Tester suitable for most types of vehicles including trucks, boats, trailers, caravans, campers, and other towing vehicles, etc.

ONE TOOL FOR ANY AUTO ELECTRICAL ISSUESV200 Pro upgrade kit covers automotive power circuit probe tester covers all circuit tests Circuit Open Test Tracing Wire ACDC Voltage Test Diode Test Resistance Test Polarity Test Continuity Test Ground Test Activate Components Signal Circuit Test Relay, Fuse, Trailer Light Test. You can quickly easily locate short circuits, broken wires, and even trace wires. Additional 30pcs back probe set make it easier and faster to use and do testing.. MUST-HAVE ADDITION TO TOOLBOXV200 PRO Upgrade kit comes with a V200 Pro automotive circuit tester and 30 PCS Back Probe kit for harness connectors, automotive sensors and fuel injectors, including back probe pins15, Banana Plug to alligator clip circuit test wires5, wire piercing probes5 nickel-plated copper alligator clips5. This convenient efficient circuit instrument is made to assist serious DIY auto enthusiasts, electronics engineers, and technicians with many electrical problems.. ONE-STEP SOLUTION FOR AUTO ELECTRICAL TESTSThis all-in-one power circuit probe tester kit meets the needs of 3 products at one time. Simply switch from the power circuit probe tester functional mode to the circuit breaker finder tool mode with one click. The 30pcs probe lead set will be a great assistance for auto diagnostics, testing, and repair, popularly used in service shops, schools, homes, and industries. It will also be a ideal choice as a Fathers Day Parcel.. COMPREHENSIVE POWER CIRCUIT TESTERAs for the circuit probe tester, switch to Mode I, youve just activated Probe Tester which supports 4 working modes ACDC Voltage, Resistance Diode. The electrical tool allows users to check 1224V electrical system instantly, tells you whether the wire or circuit is live, and which side of the circuit you are on, positive or negative. NOTEThis tester can be powered by either connecting to cigarette lightervehicles battery, no external battery needed. LOCATING BREAKER POINT EFFICIENTLYSwitch the Circuit Tester to Mode II, you will be able to use the breaker finder which can easily locate the circuit breaker point, open connections, broken wires, current leaks with tone change, even trace wirecable without damaging the insulation. This circuit breaker finder tool works on all kinds of vehicle circuit issues such as those found in car, SUV, mini van, truck, tractor, boat RV, with voltages between 6 and 42 volt DC.. COMPONENT ACTIVATION SENSORSIGNAL CIRCUIT TESTVDIAGTOOL V200 Pro upgrade kit power circuit probe tester can generate activation signals to electrical components like car lights, motors, windshield wipers, radiator fans, relay, fuel injector and etc to troubleshoot electrical problems locate auto short circuits if you keep getting blown fuses and also test various sensors, signal circuits to pinpoint the root cause to electrical issues when you have extracted DTCs from vehicle ECUs.. 15PCS MULTI-ANGLE BACK PROBES The back probe lead set with 3 different probe angles 90, 135, Straight can meet your daily various testing needs. These 15pcs back probes are made of stainless steel, featuring 0.07mm needle, which allows testing up to 30 Volts for Connectors, Fuel Injectors, and Automotive Sensors.. 5PCS ALLIGATOR CLIPThe tail of the alligator clips can be perfectly connected with the 4mm male banana plugs. 5 different colors help you distinguish them during testing easily and quickly. Maximum opening 15mm. Current Voltage CATII 300Vac15A.. WIRE PIERCING PROBESYou can quickly connect the test probe with 4mm banana plug test leads, which protects cables without stripping them off. Just insert the probe into the plastic case and pierce the wire. Suitable for back probing weather pack style connectors used with numerous automotive sensors.. 3 YEAR WARRANTY, 247 ASSISTANCE, 60 DAYS NO QUESTION ASKED RETURNREFUND We offer 3 Years Warranty, Life long technical assistance, 60 Days No-Question-asked NEW REPLACEMENT OR REFUND. Any questions or concerns, please reach us via vdiagtool2 outl ook c om..

LOCATING OPEN CIRCUITOpen Wire Detector, powered by 2pcs9V Batteries. It detects and alerts you immediately where a circuit is open. You can quickly and easily Locate short circuits, open connections, broken wires, current leaks and even trace wires. Transmitter and receiver LEDs show open or short circuit conditions.. CHECKING SHORT CIRCUITShort Circuit Finder Automotive,you can also find intermittent circuit problems by flexing wires or connectors and listening for a change in the receiver tone, 7 inch Flexible Probe Help Reaching Wires in Congested Places.. SUITABLE FOR DC 642 Volt CIRCUIT POWERElectrical Circuit Tracer will work on all kinds of circuits with voltages between 6 and 42 volt DC. such as those found in automobiles,trucks,tractors,boats,RVs,etc...With its wide working voltage range... OPERATION VIDEOAutomotive Short Circuit Tester, Check Out Our VIDEO on the Left Side, Internally Protected Against Power Surges and Overloads. Built-in Buzzer Sound Show Open or Short Circuit Conditions, Comes with a storage bag, easy to carry.. QUICK AND EASY DIAGNOSTICAuto Electrical Short Finder,Judge continuity of the cables or wires, and diagnose the break point. Time saver, making your repairs quicker, makes things easier to find troubles, Tried to find a fault in auto electric circuit..

COMPLETE OUTLET TESTER TOOL KIT Get two essential tools in one cost-effective set a Non-Contact Voltage Tester and a GFCI Outlet Tester. Perfect for electricians, DIYers, and homeowners, this kit allows you to quickly identify live wires, measure voltage intensity, and verify outlet wiring for maximum electrical safety in any setting. NON-CONTACT VOLTAGE TESTER The voltage tester features dual ranges 121000V AC 701000V AC with adjustable sensitivity. The bright LCD screen shows voltage level, percentage strength, and a progress bar. Visual red-light flashing and loud beeping alerts provide clear warnings, even in noisy or dim environments. Built-in flashlight for dark corners. GFCI OUTLER TESTER Quickly identifies wiring issues.Features an easy-to-read LCD screen that displays real-time voltage readings alongside clear wiring status icons. Bright red and green LED indicators ensure quick, accurate results at a glance, even in dimly lit environments. Built-in GFCI test function ensures your ground fault protection devices are working properly. SAFETY AND DURABLE Both tools meet stringent safety standards Voltage Tester IEC CAT III 1000V CAT IV 600V Outlet Tester CAT II 135V. Compact designs make both tools easy to carry and operate in tight spaces. The voltage tester includes a low-battery indicator, and auto shut-off. The outlet tester features an Auto Hold function for hard-to-reach sockets. BUY WITH CONFIDENCE KAIWEETS crafts top-tier electrical tools renowned for their reliability and performance. We offer a 3-Year warranty, 247 after-sales service ensuring a worry-free purchase.

HIGH QUALITYTrailer Tester is Made of High-quality ABS Plastic and Copper, with a Black Matte Exterior Shell for Optimal Weather, Corrosion and Impact Resistance for Long-term Use.. MULTI-FUNCTION7 Pin Trailer Tester can Test Tail Lights, Brake Lights, Reverse Lights, Turn Signals, Brakes and Auxiliary Power.. COMPATIBILITYTrailer Wiring Tester is Compatible with Standard 7-way Blade Trailer Outlets. 7 Pin Trailer Plug Size 5.2x2.96x1.63 Inches 13x7.5x4.1CM.. SUPERIOR CONDUCTIVITY 7 Way Trailer Plug Uses High Quality Brass Pins to Ensure a Safe and Stable Electrical Signal Connection between the Plug and the Trailer. The Trailer Light Adapter Features 6 Bright LED Indicators. Each Indicator is Clearly and Distinctly Labeled, Allowing you to Quickly Identify Working and Faulty Circuits at a Glance.. EASY TO USE Plug 7 Prong Trailer Plug into the Trailer or Adapter, Turn on the Lights, and Check the Easy-to-read LEDs, Plug and Play..

Dual CompatibilityMECMO 2-in-1 Trailer Light Tester, tests both 4-Pin Flat and 7-Way RV trailer connectors just with a single device - Universal compatibility with 99 trucksSUVs perfect for Ford F150, RAM 2500, Chevy Silverado, etc.. 360 Rotation Indicators Panel Ergonomic swivel design 7 pin to 4 pin trailer adapter tester adapts to all towing vehicle socket orientations Precision-engineered safety lock prevents over-rotation 180 max each side. 6 LED Diagnostic Matrix Real-time circuit analysis through red indicators brake lights, turn signals, taillights, stop, reverse, electric brakes, and 12V auxiliary power. Built to Last This 4 flat and RV 7 pin trailer wiring tester is made of IP67 Waterproof ABS housing withstands extreme road conditions Self-cleaning terminals with brass core and tin-plated copper coating. Easy to Use Check LED status within 2 seconds, just simply insert 7-way blade into RV socket or connect 4-flat plug to trailer harness No tools required - 7 pin electric trailer brake tester Perfect for roadside diagnostics.

STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.. ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.. NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.. LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.. CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box..

Universal CompatibilityLrichy trailer light tester can test most standard North American trailers 7-Way Spade, 6-Way Round, and 45-Way Flat pin connectors. Works with boat trailers, RV campers, utility trailers, horse trailers, and more. One tool covers 99 of trailer types and usage scenarios on the road.. Solo Quick OperationThe 7-pin trailer plug tester tests the turn, brake, tail lights, and back-up lights alone. No tow vehicle or extra person needed, saving time and effort.. Safe and ReliableThe trailer plug tester simulates electric brake outputtest brake function before towing. Circuit protection prevents shorts, blown fuses, and wiring damage. Designed for professionals and DIYers.. Rugged PortableRugged ABS plastic and water-resistant construction withstands rain, mud, and job site conditions. The pull handle facilitates easy Portable, while the compact size allows convenient storage in various locations. Ready when you need it.. Satisfaction GuaranteeLrichy attaches great importance to product quality and customer shopping experience We provide 2 Years of warranty service and a refund for any product quality issues If you have any problem, you can contact us via Amazon Free exchange and refund policy for a truly hassle-free after-sales service.

STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.. ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.. NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.. LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.. CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box..

5-Way Trailer TesterThis 5 pin trailer plug tester tests taillight, right turnbrake and left turnbrake feeds.Tests 4 usual trailer light functions,a great tool for diagnosing problems with your trailer light fixtures.. Plug Play Simple plug-and-play design, just plug the 5 way trailer plug tester into the connector, turn on the vehicle lights and signals, then check the LED lights on the tester. Each of the indicator light with clear labeling to tell you which of your towing vehicle lights work or not. No extra tools or batteries needed, simple and easy, that's it.. Bright LED Indicators This 4 way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem.. Portable DesignSmall size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it. Take this trailer lights tester to be your assistant when needed wherever you go.. 1-Year Warranty for Added ConfidenceWe prioritize product quality and your experience. If you encounter non-human-caused quality issues, well provide a replacement as promised. Count on our commitment to reliable, long-lasting trailer accessories..

Trailer Plug Tester Features4 Pin Trailer Connector Mount Material ABS,Copper. DC6-24V.Light TAIL, LT, RT. Scope Trailer Connector,3 Plug1 Socket.. Quick TroubleshootingTrailer 4 Pin Connector can Quickly Track Down Wiring Problems on the Trailer Side, Troubleshooting Right, Left, Turn and Brake Lights for Proper Function.. Operating MethodPlug the 4 Pin Trailer Connector into the Vehicle and Operate the Vehicle's Turn Signals, Lights and Brakes. The Green Light Glows when there is Power.. Durable ConstructionTrailer Plug Tester is Designed to be Weather, Corrosion and Impact Resistant.. Easy to CarryTrailer Light Adapter is Small Enough to Fit Easily into a Glove Box, Pocket, Door Pocket or Tool Box..

Effortless Trailer Light Testing Industry-Standard,Simply plug in, power on, see the results with easy-to-read LEDs. Quckly identify the problems 4-pin Trailer Adapters,Quickly pinpoint whether the problem lies with the tow vehicle or the trailer. Plug-and-Play Convenience Plug-N-Play,No tools needed for quick and easy testing. Built for Longevity Designed to withstand harsh weather, corrosion, and impacts for dependable performance. Compact and Portable Convenience,Store it anywhere glove box, door pocket, or toolbox.

Effortless Trailer Light Testing Industry-Standard,Simply plug in, power on, see the results with easy-to-read LEDs. Quckly identify the problems 5-pin Trailer Adapters,Quickly pinpoint whether the problem lies with the tow vehicle or the trailer. Plug-and-Play Convenience Plug-N-Play,No tools needed for quick and easy testing. Built for Longevity Designed to withstand harsh weather, corrosion, and impacts for dependable performance. Compact and Portable Convenience,Store it anywhere glove box, door pocket, or toolbox.

Universal Trailer RV Compatibility Widely compatible with semi-trailers, travel trailers, campers, and RVs equipped with standard 7-pin connectors. An essential tool for every trailer owner, RV enthusiast, or automotive professional for quick electrical system troubleshooting. Professional installation recommended for optimal results. Note that new and old versions may be shipped randomly.. 7-Pin Trailer Wiring Tester This professional-grade circuit tester is specifically designed for 12V trailer and RV electrical systems. It allows you to quickly diagnose and verify the functionality of your 7-pin connector, ensuring all lighting circuits are working properly before hitting the road. Suitable for 12V trailers and RVs only, not for commercial use.. Synchronized LED Signal Display Features clear, synchronized LED indicators that display trailer and RV taillight signals in real-time. Each pin's status is immediately visible, making it easy to identify wiring issues, faulty connections, or malfunctioning circuits without guesswork.. Plug-and-Play Convenience Designed with a user-friendly European standard trailer connector, this tester simply plugs directly into your existing 7-pin socket. No cutting, splicing, or complicated setup required just connect and test for instant diagnostic results. Easy to use and store when not in use.. Durable ABS Copper Construction Built with a high-quality ABS plastic shell and copper contacts, this wiring tester is engineered for maximum durability and reliable performance. The robust construction ensures consistent conductivity and long-lasting use in various weather conditions..

ONE-PERSON OPERATION No Help Needed Specifically designed so a single person can verify proper trailer wiringno second set of hands required, saving both time and labor costs.. TESTS ALL TRAILER LIGHTING FUNCTIONS Quickly cycle through all lighting functions using the integrated power cord and view results instantly via LED function indicators.. UNIVERSAL FIT WITH MULTIPLE CONNECTORS Includes 7 Blade, 6 Round, and 4 Flat test connectors, making it compatible with most trailer wiring setups right out of the box.. PORTABLE POWER Use with Any 12V Battery Includes battery terminal clips for quick, easy connection to any 12-volt battery, and features an amperage meter to monitor real-time amp draw.. DURABLE CASE WARRANTY INCLUDED Comes with a rugged carrying case for easy transport and storage, plus a 90-day warranty from the date of original purchase for added peace of mind..

Short circuit protection, turn signal, and power verification led. Input 12V DC, Output 10A 12V DC. Water resistance with internal battery compartment battery not included. Includes trickle charger. For 7-way round pin arrangements.

Function 4-way trailer circuit tester can use check proper function of your vehicles trailer wiring harness,suitable for diagnosing trailer light issues. Don't need extra tools or batteries. Special design 4 pin trailer plug tester have small size and is convenient for storage,fit your door pocket or tool box, and it can acts as a standard 4-pin male and female trailer connector to connect standard 4-pin trailer wire. Simple to use The 4 pin male and female trailer tester is easy to use,plug the tester into the 4 pin flat trailer connector on your car and check circuit wiring is functioning correctly.LEDs will all light up if circuits are running correctly. Material 4 pin trailer socket tester made of durable ABS plastic,which rust resistance and wear,one end is fitted with a dust-proof rubber sleeve to protect the terminals when not in use. Suitable vehicles Trailer Light Tester suitable for most types of vehicles including trucks, boats, trailers, caravans, campers, and other towing vehicles, etc..

Over time, original trailer light testers may become inaccurate or fail, leading to misdiagnosed wiring issues, undetected light failures, or even potential electrical damage such as short circuits or blown fuses. This can increase safety risks and result in costly repairs or downtime. Our trailer light tester provides a reliable and accurate solution to help you quickly identify problems, protect your electrical system, and ensure safe towing every time. All-in-One Independent TestingCombines 7-way blade, 6-way round, and 45-pin connectors in one unit, enabling compatibility with multiple trailer types. With built-in independent testing capability, it allows full diagnostics of tail lights, brake lights, turn signals, and electric brakes without connecting to a tow vehicleideal for pre-trip inspections and workshop use. Rugged Weather-Resistant BuildBuilt with a durable, water-resistant housing to withstand harsh workshop and outdoor conditions. Effectively protects internal circuits from dust, moisture, and wear for long-lasting performance. Safe Reliable With Circuit ProtectionEquipped with built-in short-circuit protection to prevent electrical damage during testing. The auto-reset feature ensures safe, stable operation even when wiring faults are present. Compact, Portable Easy To UseLightweight and easy to carry with a simple plug-and-test design. Powered by a standard 12V battery not included, making it convenient for mobile diagnostics anytime, anywhere. FeatureThis trailer tester provides a simple all-in-one solution for quickly checking trailer wiring without a tow vehicle. With easy plug-and-test operation, built-in safety protection, and a durable, portable design, it helps you diagnose issues fast and ensure reliable performance anytime. Buy With ConfidencePurchase the SUSUPACi 7-Way Trailer Tester with confidence, backed by a 1 year warranty. Should it malfunction, contact us for a prompt replacement. Enjoy excellent value as a reliable, cost-effective alternative to dealership pricing, with no compromise on quality or peace of mind.

All-in-One ConnectivityTrailer Tester virtually all trailer types with integrated 7-Way Round Pin, 7865l 7-way trailer plug tester . Eliminates the need for multiple testers for RVs, boat trailers, utility trailers, and horse trailers. Single Testing Tool7 Pin Trailer Wiring Tester Perform complete trailer checks without a tow vehicle. Quickly verify tail lights, turn signals, brake lights, and electric brakes right in the shop or storage site, saving time on pre-trip inspections. Rugged Weather-Resistant7 way light tester Housed in a durable, water-resistant case built to withstand workshop and outdoor use. The robust construction ensures long-term reliability by protecting internal components from dust and moisture. Short-Circuit Protection9102 Trailer Light Tester Features built-in short-circuit protection to safeguard both the tester and the trailers electrical system during diagnostics. Auto-resetting prevents damage from accidental wiring faults. Portable Ready to UseTrailer Light Tester Box Compact and portable for easy storage and transport. Operates on a common 12V battery battery not included, with a clear layout for quick, straightforward diagnostics anywhere. Worry-Free ServiceOur Promise Full Support Free Returns.Your satisfaction is guaranteed. If any problems arise with your 9102 Light Tester, our after-sales team is here to help with free returns and exchanges.

2024 ALL-IN-ONE POWER CIRCUIT TESTER KIT---ACCURATELYAutel PowerScan Circuit Tester is most accurate power circuit probe tester yet, with 160x128 TFT display test all 6-30 volt vehicle electrical systems. It supports VoltagePolarity TestContinuity TestSignal Circuit TestComponents ActivateCheck Bad GroundingLocate Short CircuitsCircuit Breaker Protection, etc. Besides, Autel PS100 has extra long Cables itself with 20ft, and extra with 20ft cable, also comes with a cigarett.e lighter plug. Intuitive interface with ergonomic design makes it be best gif.t for all novice drivers or pro circuit repairers.. FOUR WORKING MODE---INTUITIVEEASYFour working modes make circuit detection more simpleDC Voltage, AC Voltage, Resistance, Tone On Off. DC Voltage mode can read DC voltage with 0.1V resolution AC Voltage can read Max Min voltage, frequency and duty cycle quickly Resistance mode can read resistance between tip and auxiliary ground wire. Unique Tone OnOff Design is really useful when working in bright areas, it can judge the circuit voltage according to the volume of the sound.. COMPONENT ACTIVATIONThe component activation feature is specially designed to troubleshoot onoff-board electrical equipment. By activating the signal generated by the component, you can accurately judged whether the component is intact, such as blower motor, power window motor, windshield wiper, rear window defroster, lights, radiator fans, fuel injectors, etc. Autel circuit tester automotive tool can activate component in your hand in the vehicle with ground etc.. INSTANT IDENTIFY POLARITYAutel Automotive Circuit Tester instantly checks component continuity and quick identifies positive, negative and open circuits. When the positive terminal is connected, red LED lights up with beep sounds. When the negative terminal is connected, green LED light up with a low tone. If an open circuit, neither of LED light will not light. The indicator light is a considerate working guide to facilitate the smooth operation of detection.. CONTINUITY TEST, SIGNAL CIRCUIT TESTAutel Electrical System Tester can test the state of sensors, quickly and accurately judge the connectivity of circuit via transmitted signal, performing continuity test. Two ways to test continuity 1 In resistance mode, if the resistance is 0.0 and the LED lights up, it means continuity. 2 Power up the connection using the power switch, if the circuit brea-ker tr-ips, that means the resistance is low and there is continuity.. OVERLOAD PROTECTION, QUICK SELF-TESTThis Electrical System Probe Tester has a built-in short circuit protection. When overloaded, built-in internal short circuit will automatically trip to ensure the safety of users and prolong the service life of the tester. In order to protect your components, the car circuit tester can also perform a quick self-test. After flipping the switch forward or backward, the LED light and tone will respond to quickly check its actual operating status.. 20FT EXTENSION CABLE, BUILT-IN FLASHLIGHTAutel PowerScan circuit tester comes with extra 20ft extension cable in addition to its own 20ft cable, allowing you to access any position of the vehicle and test it. Ideal for trailer wiring, it can be tested along the vehicle without having to find a suitable ground point. The built-in flashlight is convenient for detection, even in the dark or dim environment, it can provide the best view for who need to work in night.. NO.1 RECOMMENDED BY ELECTRICAL MASTER MECHANIC, 1-YEAR WARRANTYAutel Car circuit tester is a great addition to toolbox and recommended by millions of automotive electrical specialist. It does everything P.P.3P.P.4 does at half the cost, even better than sna.p-on tool. Autel Car circuit tester provides 1-year warranty, and supports 30 days no reason to return. If your product need repair or warranty, please conta.ct us via autelsupply outlook. com directly, we will solve issues asap..

Easily locate broken or damaged wires, short circuits, and open connections in any DC 642V automotive system. Perfect for diagnosing electrical issues in cars, motorcycles, trailers, RVs, and boats.. - ? Trace wires hidden behind dashboards, panels, carpets, or inside engine compartments without removing insulation. The transmitter sends a signal, and the probe follows the path precisely saving time and effort.. ? Check the continuity of wires and cables in seconds using the CONT mode. Ensure smooth and complete electrical flow to avoid costly misdiagnoses during repair.. -- ? Comes fully equipped with a signal transmitter, receiver probe, test leads, alligator clips, 9V batteries, insulation tape, and a protective carrying case everything you need for on-the-go diagnostics.. , , Designed for both professionals and DIYers, this lightweight kit features a flexible 7-inch probe for tight spaces, intuitive controls, and a durable build thats ready for everyday use in tough environments..

UNIQUE DESIGN- ANTI-LOST NEEDLE GUARD PROTECTION Adopt the integrated structure design of the probe protection cover, needle guard function is added to ensure that there will be no stab wounds and the guard will not be lost. Convenient to carry and take it wherever you go.. LED INDICATION, BIDIRECTIONAL VOLTAGE TESTING This upgrade circuit test light is a bidirectional voltage tester. You can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity.. WIDER VOLTAGE RANGE Compared with the auto electrical tester on the market, the maximum voltage measured is only 48V, but the maximum voltage that our technology can measure is upgraded to 60V. AWBLIN circuit test is ideal for checking various vehicles electrical circuits, quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections, also for testing other 3-60V DC wirings and circuits.. COMPUTER SAFE, STURDY FLEXIBLE The professional auto circuit tester has a built-in circuit board chip, which is safer and more sturdy than traditional test lights and prevents the car computer board from burning out. Spring wire can be freely stretched up to 102 inches, with a wide measuring area Anti-bending design of the tail wire, no need to worry about bad contact of the line.. 100 SATISFACTION If you have any dissatisfaction for any reason, please feel free to let us know and we will do our best to assist you..

MULTIFUNCTIONAL WIRE TRACER This multi-functional open short finder circuit tester can easily locating the circuit breaker point, open connections, broken wires, conduction, current leaks with tone change, even trace wirecable without damaging the insulation. This is a convenient and efficient circuit tracer kit for DIYers, electricians, and technicians, to simply and quickly judge the continuity of the cableswire and diagnose the breaker point.. SOUND LIGHT SIGNAL INDICATIONThe wire tracer electrical is equipped with a transmitter and a receiver, which clearly display the test status through sound and LED lights. At the same time, the battery level has a low battery indicator. When the low battery flashing red light indicates that you need to replace the battery. Unlike similar products on the market, you no longer have to be disturbed by noise or affected by battery power. This feature enables you to test more accurately and efficiently without any worries.. LOCATING BREAKER POINT When the transmitter is turned on downward, if the GREEN light flashes, it indicates that there is an open circuit. The receiver has three function modes representing different intensities that can be adjusted as needed. In areas without an open circuit, the receiver's signal light is full and accompanied by a rapid beeping sound. At the breakpoints, the signal lights and beeps will weaken or even disappear.. CHECKING SHORT CIRCUIT When the transmitter is turned on downward, if the RED light flashes, it indicates that there is a short circuit in the circuit. At this point, the red signal light on the receiver is full and accompanied by a rapid beeping sound, indicating a short circuit. In areas without a short circuit, the receiver has no signal, and both the LED light and the beeping sound disappear.. CONTINUITY FUNCTION Push the transmitter switch upwards to the CONT mode, and attach the red and black clips to both ends of the wire under test respectively. If the wires are in good condition, the green light will come on. If it doesn't light up, it indicates that the wire is faulty..

ON-THE-ROAD TROUBLESHOOTING Our One-Man Testing tool is designed to simplify troubleshooting while on the road ensuring a convenient solution for identifying and resolving electrical issues.. EXTRA JUMPER CONNECTOR Packaged with an additional jumper connector this tool offers added versatility allowing for comprehensive testing and providing an extra layer of support for various troubleshooting scenarios.. LED INDICATORS Featuring LEDs that indicate the functionality of each circuit this tool eliminates guesswork during testing providing clear and reliable visual cues to ensure accurate results in a quick and straightforward manner.. EASY REMOVAL The winged grip design of this testing tool ensures easy removal from the electrical connector offering a user-friendly experience and efficient handling during the testing process..

SAFETY FIRST It will send out multiple alarms through sound and light. When the voltage is detected, the tip will send out red light and beep. When the higher the sensed voltage is, or the closer it is to the voltage source, it beeps at a higher frequency and the percentage value will be larger. At the same time, the screen will be red or green, red means high voltage and live wire are detected, green means low voltage and null wire are detected. NON-CONTACT With NCV inductive probe for AC voltage Just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. The live wire detector can automatically detect the live or neutral wire. Ideal for breakpoint Test. Handy circuit tester for electricians, homeowners. DUAL RANGE Detects standard and low voltage 12-1000V AC 70-1000V AC for more sensitive and flexible measurements. Press the S button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc. The NCV sensor automatically recognizes the voltage and displays it on the bar graph, and the percentage value can display the voltage signal intensity more intuitively. SECURITY LEVEL IEC rated CAT III 1000V CAT IV 600V, Meets CE requirements The electrical tester is safely double insulated. High Voltage Alert to warn you of voltage above 90V, the screen turn red and the safety symbol on the screen shines. COMPACT DESIGN Bright LED flashlight for work in dim ares Low-Power-Indicator when battery voltage is below 2.5V Automatic Power Off after 5 minutes without operation or signal detection Pocket-sized, pen hook allows you to carry it in your shirt pocket. We provide 36-Month after sale service, Please feel free to contact us if you have any concerns.

Compatibility7 Round Pin Trailer Truck, Replace 7865L. FunctionUsed to measure and troubleshoot trailer circuits including left and right turnsignals, hazard lights, brake lights, clearance, tail tags, or ABS circuits. Easy Disassembly Winged handle design allows for easy removal of the tool from the electrical connector providing efficient operation during testing.. Simple OperationConnect the circuit plug tester to the electrical connector, and by operating the function switches, the LED indicator will show the condition of each circuit, clearly and accurately reflecting the problem.. WarrantyWarranty 3 years, if you have any questions or concerns about our products, please feel free to contact us via email, we will try our best to provide prompt assistance and respond to your questions within 24 hours to provide you with a satisfactory solution.

EASY INSTALLATION DISASSEMBLY Experience lightning-fast plug-and-play magic The NEWSUN 7-Way Trailer Plug Tester brings you effortless setup in a flash. No tools or batteries No problem Just plug it in and watch the LED indicators light up your way to seamless installation and removal.. LONG-LASTING CONSTRUCTION Built with a durable nylon body and high-conductive copper terminals, our tester resists water, high temperatures, wear, and corrosion. Ensuring a longer lifespan for your 7-way trailer plug tester.. MULTIPURPOSE USE Test 6 diverse trailer light functions with a single NEWSUN device. Check taillights, brake controller output, reverse circuit, turn signals, and 12-volt power feed. Guarantee all lights function correctly before hitting the road.. WIDE ADAPTABILITY The NEWSUN trailer plug tester is compatible with most common 7 way trailer plugs on SUVs, trucks, boats, campers, caravans, and other towed vehicles. Versatile for various towing needs.. PRACTICAL DESIGN Compact and easy to store. The small size of the NEWSUN tester makes it ideal for your glove compartment or tool box. Always available when needed without taking up excessive space..

5 Way Trailer Tester Using this 5 pin towing plug tester to confirm proper function of your vehicles trailer wiring harness, excellent for diagnosing trailer light issues, lets you know where in the system there is a problem instead of guessing It also acts as a standard 5-Pin male female trailer connector to connect standard 5-pin trailer wire. Plug Play This 5-flat trailer light tester is easy to use, just plug the tester into the 5 way flat trailer connector on your tow vehicle and trailer to test taillights, reverse lights, turn signals and brake lights for proper operation. Bright LED Indicators This 5-way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem. Durable Construction 5-pins trailer socket tester is made from durable ABS plastic, which will never rust or corrode Tin-Plated copper terminals makes great conductivity Female end tester comes with a rubber dust cover to protect the terminals when not in use. Compact Design Small size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it, take this tester to be your assistant when needed wherever you go.

2 in 1 Design This trailer wiring tester combines both 4 pin flat and rv blade 7 pin trailer light tester, allows you to test both the 4 and 7 pin trailer connectors Note This trailer tester does NOT work with vehicle has a lamp-out sensor. Upgraded Double-Sided LED Indicators 4pin 7 pin trailer circuit tester designed with LEDs on both sides, Unlike the other testers only have one side leds, which make it hard to read A great tool to help troubleshoot issues or verify you have install or fixed your trailer plug correctly. 6 Light Functions Versatile trailer connector tester can be used to test 6 separate trailer light functions, quickly confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle. Bright LED Indicators Trailer hitch tester equips a LED light for each electrical function Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem. Durable Construction For long-lasting use, this 7 blade RV trailer tester is made from durable ABS plastic, which will never rust or corrode, Tin-Plated copper terminals makes great conductivity. Simple to Use No batteries or wiring needed 7 Blade 4 Pin Tester is easy to use, ergonomic design is convenient for plugging in or unplugging Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles.

4 Pin Trailer Tester This trailer plug tester quickly verifies the operational status of vehicle trailer wiring harnesses, pinpoints issues within lighting systems, and doubles as a standard 4-pin malefemale connector.. Plug-and-Play Design Simple and Convenient Operation - Simply plug the trailer wire tester into the 4-pin flat trailer connector on the tow vehicle to instantly test whether the tail lights and turn signals are functioning properly, with no setup required.. High-Brightness LED Indicators Every trailer connector tester is equipped with high-brightness LED lights that correspond to each circuit function. Simply turn on the lights to clearly read the display status and easily identify specific wiring issues.. Durable Construction This trailer harness tester built with rugged nylon housing that resists rust and corrosion. Features tin-plated copper terminals for reliable conductivity and includes a protective rubber cover for the female connector.. Compact Portable The compact design of this trailer light circuit tester makes it easy to carry and store in a glove box, tool kit, or storage compartment, making it ready to use wherever you go..

CONVENIENT INSTALLATION AND DISASSEMBLY Enjoy effortless plug-and-play functionality. Easily insert the 7 pin trailer tester plug into your trailer's connector. Then, activate your vehicle's lights and signals and review the status of each LED indicator. No tools or batteries are required.. LONG-LASTING CONSTRUCTION Our 7 pin tester is finished with a sturdy nylon body and high-conductivity copper terminals. It is designed to withstand water, high temperatures, wear and corrosion, ensuring a longer service life.. MULTIPURPOSE USE Test six different types of trailer light function with just one device. Our 7 way tester performs a complete check of tail lights, brake controller outputs, reverse circuits, turn signals, and 12-volt power feeds, ensuring that all trailer light functions are in very good shape before you take off on the road.. WIDE ADAPTABILITY The trailer plug tester is designed to be compatible with most 7-way trailer plugs which are usually seen on SUVs, trucks, boats, campers, caravans, and other trailers.. PRACTICAL DESIGN The trailer light tester is compact and portable and can be stored in a glove box or tool box without taking up extra space..

Patent Pending. Wireless Remote Operation Trailer Tester Box with Battery comes equipped with a wireless remote control, allowing you to operate the tester from a long distance with precision. Say goodbye to the trouble of running back and forth for traditional testing. This makes the trailer light, brake, and brake-away system inspection so fast, very suitable for large parking lotsfreight stations, etc.. Widely used Trailer light tester with 345 -flat pin and 7-way round pin. Meets the testing needs of various trailer types, including motorhomes, container trucks, agricultural trailers, and yacht trailers. No additional adapter is required, and it can be quickly connected. Attached a 7-way trailer tester plug to check whether the main vehicle interface is normal. A one-stop solution to all problems encountered by trailers.. Safe and Stable Trailer lights tester equipped with a 12V 10Ah Battery safety protection system effectively prevents device damage. Suitable for use outdoors and in remote areas without the need for an additional power source, turn a switch, that's it, no more backing the truck up and then replacing fuses in the truck just to check trailer lights.. Durable Performance Compared with other plastic bodies, our all-metal body has higher strength and impact resistance, A long service life, and is designed for professional environments. It can still operate stably even in extreme environments of -2060. Comes with installation instructions and a video for easy installation. Full-Function Testing Independent detection module, which can accurately check abnormal turn signal flicker, Abnormal brake signal, Abnormal reversing signal, Abnormal driving light signal, and other faults with onedouble click. Accurately checks wiring configurations to ensure the safety and reliability of the trailers electrical system..

Wireless Remote Control Operation The Zuomeng trailer tester box with battery is equipped with a wireless remote control, allowing you to operate the tester remotely, eliminating the need for running back and forth or working with multiple people, saving time, improving work efficiency, and easily completing testing.. Wide Compatibility The trailer light tester box is compatible with various 7-way flat spade connectors and comes with 6-way round pin and 45-pin connectors, easily meeting the testing needs of various types of trailers.. Safe and Convenient Equipped with short-circuit protection and overload protection functions, effectively preventing equipment damage and ensuring safe use. At the same time, it has a built-in 12V 10Ah lithium iron phosphate rechargeable battery, which can be used in remote areas without an external power source.. Comprehensive Electrical System Testing The trailer light tester can test electric brakes as well as all trailer lighting functions, including turn signals, brake lights, tail lights, and reverse lights, accurately verifying wiring settings to ensure the safety and reliability of the trailers electrical system.. Sturdy and Durable Features metal socket construction for enhanced durability, along with a sturdy waterproof carrying case design that is sun-proof, drop-resistant, high-temperature-resistant, and shock-resistant, capable of withstanding harsh working conditions..

Widely CompatibleTrailer light tester Box with 12V 12Ah Battery,Can test trailers directly,Including 3 types of test connectors,for 7- Way Flat Spade Pin,6-Way Round Pin,45-Pin Connectors,Perfectly compatible with standard U.S.trailer plugs. Upgraded Remote ControlAirVows Trailer Light Tester Box now features remote controlsimply flip the default Local Control switch to Remote Control to activate,98 ft Max remote range.Troubleshoot trailer faults right from your stool with a simple remote. Ensure Testing SecurityUse our 12V battery,the tester includes short-circuit and overload protection to prevent damage and ensure safe operation.Its waterproof housing means you dont have to worry if you get caught in the rain while testing. Accessories12V 12Ah Battery,500mA power cord,adapter,trailer box,remote controlwithout battery. Complete Testing SystemThe trailer light tester can check electric brakes and all trailer lighting functions.Reliable for shop or field use,it tests turn signals,brake lights,tail lights,and reverse lightsaccurately verifying wiring to ensure your trailers electrical system is safe and dependable. 2-year WarrnatyTrailer Light Tester Box have a 2-year warrnaty,any non-human quality problems during the warranty period can contact us at any time for return.

Widely CompatibleTrailer Light Tester Box with 12V 12AH Battery,Can be directly tested,Compatible with Various 7-Pin Round Trailer Connectors, Easily Meeting the Testing Needs of Different Trailer Types Without Additional Adapter. Upgrade Remote ControlAirVows Trailer Light Tester Box now features remote controlsimply flip the default Local Control switch to Remote Control to activate,98FT Max remote range.Troubleshoot trailer faults right from your stool with a simple remotePlease turn the switch to 'Local control' without using a remote control. Ensure Testing SecurityUse our 12V DC battery,the tester includes short-circuit and overload protection to prevent damage and ensure safe operation.Its waterproof housing means you dont have to worry if you get caught in the rain while testing. Complete Testing SystemThe trailer light tester can check brakes and trailer lighting functions.Reliable for shop or field use,it tests turn signals,brake lights,tail lights,accurately verifying wiring to ensure your trailers electrical system is safe and dependable. Accessories12V 12AH Battery,power cord,trailer box,remote controlwithout battery.

ALL-IN-ONE TOOL FOR ANY CIRCUIT PROBLEM DIAGNOSISV200 Pro covers all circuit tests Circuit BreakerOpen Test Tracing Wire ACDC Voltage Test Diode Test Resistance Test Polarity Test Continuity Test Ground Test Activate Components Signal Circuit Test Relay, Fuse, Trailer Light Test. You can quickly easily Locate short circuits, open connections, broken wires, current leaks and even trace wires. Get this essential circuit tester today and save your time and costly trip to a dealership. COMPREHENSIVE POWER CIRCUIT TESTERSwitch to Mode I, youve just activated Power Circuit Probe Tester which supports 4 working modesACDC Voltage, Resistance and Diode. The electrical probe tester allows users to check 12V 24V electrical system instantly, tells you whether the wire or circuit is live, and which side of the circuit you are on, positive or negative. NOTE This circuit tester can be powered by either connecting to cigarette lightervehicles battery,no external battery needed. LOCATING BREAKER POINT EFFICIENTLYSwitch the V200 Pro All-In-One Circuit Tester Kit to Mode II, you will be able to use the breaker finder which can easily locate the circuit breaker point, open connections, broken wires, current leaks with tone change, even trace wirecable without damaging the insulation. This circuit breaker finder tool works on all kinds of vehicle circuit issues such as those found in car, SUV, mini van, truck, tractor, boat RV, with voltages between 6 and 42 volt DC.. COMPONENT ACTIVATION SENSORSIGNAL CIRCUIT TESTVDIAGTOOL V200 Pro power circuit probe kit can generate activation signals to electrical components like car lights, motors, windshield wipers, radiator fans, relay, fuel injector and etc to troubleshoot electrical problems locate auto short circuits if you keep getting blown fuses and also test various sensors, signal circuits to pinpoint the root cause to electrical issues when you have extracted DTCs from vehicle ECUs.. OVERLOAD PROTECTION TO PROTECT CAR ELECTRONICS This automotive electrical tool comes with short circuit protection. Whenever it gets overloaded, it just gonna shut down and restart, which is a safe measure to protect the device and car electronics. Useful Tip You can also use overload protection feature to test short circuit conveniently. NOTE If you received defective unit or it malfunctions, please reach us via vdiagtool2 outl ook c om for hassle-free replacement any time. 20FT EXTENSION CORD TO WORK ANYWHERE AROUND THE VEHICLE V200 Pro circuit tester automotive tool comes with 20 feet long cord plus 20 feet extension cord. Combining the feature that it can be powered by the cigarette lighter, and alligator clip for convenient ground connection, you can test electrical circuit system anywhere around the vehicle. No more worrying about short cord while testing electrical system NOTE Mode II-circuit breaker tester is powered by 1pcs 9V Battery. APPROVAL BY P.P. 10-YEAR OFFICIAL TECHNICAL ENGINEER , 3-YEAR WARRANTYCountless auto electrical specialists recommend VDIAGTOOL power circuit tester, and even including P.P. official technical engineers. It accomplishes everything that P.P.3P.P.4 does for half the price We offer 3-year warranty, Lifetime technical support, 60 Days No-Question-asked NEW REPLACEMENT OR REFUND. Any questions or concerns, please reach us via vdiagtool2 outl ook c om.. One-Step Solution for Auto Electrical System TestV200 Pro meets the needs of 2 products at one time. Simply and quickly switch from the power circuit probe tester functional mode to the circuit breaker finder tool mode with one click. There is no need to get an extra tool to judge continuity of the cableswire and diagnose the breaker point. This convenient and efficient circuit instrument is a great choice for DIYERS,electrician and technician..

OPENSHORT CIRCUIT FINDERTRCING WIREVDIAGTOOL V210 automotive open short finder circuit tester powered by 2pcs 9V batteries performs easily locating the circuit breaker point, open connections, broken wires, current leaks with tone change, even trace wirecable without damaging the insulation. This is a convenient and efficient circuit tracer kit for DIYers, electricians, and technicians, to simply and quickly judge the continuity of the cableswire and diagnose the breaker point. NOTE Designed for 6-42V DC.. LOCATING BREAKER POINT EFFICIENTLYV210 circuit breaker finder tool comes with transmitter and receiver LEDs showing open or short circuit conditions. The Built-in buzzer sound of the signal receiver helps you immediately and easily locate open connections, broken wires, current leaks, and even trace wires.Note Signal strength affects volume. If the sound is low, try adjusting the probe position to find a stronger signal for accurate detection.. CHECKING SHORT CIRCUITV210 Automotive Short Circuit Finder allows you to find intermittent circuit problems by flexing wires or connectors and listening for a change in the receiver tone without damaging the insulating layer. Receiver with adjustable sensitivity via knob and flexible 7Probe. Note The sound signal may be affected by propagation,resistance, shielding, and circuit complexity. To improve accuracy, check wiring step-by-step and complete signals to pinpoint the exact short.. 2 YEARS WARRANTY, 247 TECH SUPPORT, 60 DAYS NO QUESTION ASKED RETURNREFUNDWe offer 2 Years Warranty, Lifetime technical support, 60 Days No-Question-asked NEW REPLACEMENT OR REFUND. Any questions or concerns with the V210 wire tracer electrical, please reach us via vdiagtool2 outl ook c om.. IMPORTANT TIPSThis electrical circuit tracer comes with 2pcs 9V Batteries for receiver transmitter. When the signal is not strong enough, the volume will be low in the receiver, please find a strong signal and try to turn the signal up to the highest level checking whether the battery power is sufficient at the same time, since it will effect the tool working properly. When the V210 broken wire detector tool is not used, please leave it in the OFF position or remove the batteries directly to avoid draining the power..

TEST LIGHT TOOL - This test light automotive tool with an incandescent bulb provides a bright and reliable light source, guiding you through intricate electrical tasks with ease.. MULTI-FUNTIONAL - Ensure seamless electrical connections with its sharp steel probe, this circuit tester enables you to pierce insulation and reach tight areas, ensuring no faulty connections go unnoticed.. PREVENT ELECTRICAL DISASTERS - this fuse tester helps you quickly and accurately determine the status of fuses, preventing potential electrical disasters caused by faulty or blown fuses.. PORTABLE DURABLE - Perfect for automotive enthusiasts and trailer owners, this trailer light tester ensures all lights are functioning correctly before you hit the road.. VERSATILE TOOL - As an all-in-one electrical tool, this continuity probe is highly beneficial for mechanics, electricians DIY enthusiasts, making it a versatile addition to your toolbox.Its heavy-duty build and insulated handle ensure safety and durability..

Save 50 Testing Time Supports wireless remote operation or on-device button control, allowing flexible use at both long and short distances. No need to walk back and forth or require multiple people, significantly saving testing time. One person can efficiently complete trailer testing.. Wide Compatibility The trailer light tester box is compatible with various 7-way round trailer plugs. No additional adapters are required, easily meeting the testing needs of different types of trailers.. Safe and Convenient Built-in short-circuit protection and overload protection effectively prevent equipment damage and ensure safe use. Equipped with a 12V 10Ah LiFePO4 rechargeable battery, it does not require frequent charging and can be used independently even in remote areas without an external power source.. Comprehensive Electrical System Testing The trailer light tester can test all trailer lighting functions, including turn signals, brake lights, tail lights, and reverse lights, accurately verifying wiring configurations to ensure the safety and reliability of the trailer electrical system and avoid road failures.. Compact and Portable Made of a durable, weather-resistant all-metal housing with an IP68 protection rating, it can withstand harsh working environments such as snow, rain, dust, high temperatures, and vibration. Upgraded to a compact structural design, making it smaller and easier to carry and store..

VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights and turn signals.Fit Type Universal Fit. SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat. EASY GRIP. Plugging in this 4-flat trailer light tester into your vehicle is easy with its ergonomic design. It features a tab on the bottom for a better grip when plugging in or unplugging. LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.

VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights and turn signals. SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat. EASY GRIP. Plugging in this 4-flat trailer light tester into your vehicle is easy with its ergonomic design. It features a tab on the bottom for a better grip when plugging in or unplugging. LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.

VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power. SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat. EASY GRIP. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. It features two hooks on either side of the tester for a better grip when plugging in or unplugging. LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.

Tests 7-spade, 6-round and 45-flat pin type trailer harnesses. Short circuit protection and water resistant. Turn signal simulation and power verification LED. Internal battery compartment battery not included. Trickle charger and trailer plug adapter included.