7 WAY LED RV BLADE TESTER

The CURT 7-Pin RV Blade Trailer Wiring Towing Vehicle-Side Socket Tester are designed for testing tail lights, turn signals, brake lights, ground connections and other electrical components on a vehicle. It has bright LED lights to indicate power is running to the tested wire. It tests 7 ways: tail, brake, reverse, turn signals, brakes and auxiliary power.