Top 6 Best Trailer Wiring Tester

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.

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..

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

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.

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.

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..

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.

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.

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..

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.