One Man Trailer Wiring Tester
Tests round 7 Pin connectors with flat pins Each signal from vehicle emits a unique tone Electric brake control signal illuminates red LED Loud beep can be heard over shop noise Time Saver! Just apply brakes, right/left turn signals, running lights, engage reverse & 12 Volt Charging voltage Greatly reduces time spent verifying vehicle trailer wiring Very simple & easy to use - saves time! Lighting Circuits Tested: Left Turn Signal Right Turn Signal Brake Running Lights Reverse 12 Volt Charging Electric Brake Control
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