Feature

●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


Description

The 6-Way Round Pin Trailer Circuit Tester traces each lighting function to the terminal in question, eliminates guesswork. and allows the technician to easily diagnose trailer malfunction.