Whether you have just installed a new custom wiring harness or are trying to locate the cause of an electrical problem， CURT connector testers are great for testing tail lights， turn signals， brake lights， ground connections and other electrical components on your vehicle. A connector tester works by plugging into the connector socket on your vehicle and responding to the various electrical signals produced by pushing the brake pedal， signaling a turn， turning on the running lights and so on. This particular electrical tester fits a 7-way RV blade socket and comes with quality plastic construction.
Confirms proper function of vehicle-side wiring connector
Tests 7-way for tail， brake， reverse， turn signals， brakes and auxiliary power
Features a label for each LED， indicating the intended function
Constructed with LED lights for long-lasting use
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