
Tests 4 and 5 Pin Flat connector wiring
Each signal from vehicle will emit a unique tone
One person makes complete test in 30 seconds!
Just apply brakes, turn signals, running lights and engage reverse
Tester also emits unique tone for any shorts in the wiring!
Greatly reduces time spent verifying vehicle trailer wiring
Very simple and easy to use - saves time
Lighting Circuits Tested: Left Turn Signal, Right Turn Signal, Brake, Running Lights, Reverse, Wiring Shorts
