807 Trailer 4 Way Trailer Circuit Tester, 4 Pin Trailer Light Tester

PRODUCT DESCRIPTION 4-Way Flat Circuit Tester,Vehicle Socket Way Flat Towing Tester 4-Pin Trailer Wiring 807 Trailer 4-Way Circuit Tester,4-Pin Trailer Wiring Towing Vehicle Socket Tester No need to go to an expensive repair shop to have you trailer harness checked. Our easy-to-use circuit tester helps you quickly identify and fix problems with your trailer light circuit. Simply plug it into the bumper connection or in-line between the tow vehicle and trailer, turn on the lights to be tested and check the LED lights on the tester. The correct LED will be illuminated if the power and ground wiring of the tow vehicle is functioning correctly. If the LEDs are not coming on? Time to check the tow vehicle’s wiring. What about if the LEDs are illuminated but the trailer lights still don't work? Time to check the trailer wiring. Quick, simple and effective. Features -Compatible with standard 4-pin trailer adapter connection -LED indicator for circuit continuity tests -Plug-n-Play easy installation -Compact and small - easy to put away Product Type: Trailer 4-Way Circuit Tester Product Name: 807 4-Pin Trailer Light Wire Circuit Tester Product Material: Plastic cover, copper alloy connector Color: Black Product Package: 4-Way Flat Circuit Tester 2-pack