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