Fits On:

Universal (All Vehicles)

About this Product:

Features and Benefits:

•Quickly and easily tests trailer circuits on most light/medium duty trucks and campers
•Plug the tester into the trailer plug socket and activate the lights, brakes, turn signals, etc.
•This tool allows one man to test trailer plug circuitry
•Weatherproof
•" Winged" grip for easy removal from truck connector