Circuit tester helps to quickly identify problems with your vehicle's tow package wiring. Tests brake controller output, brake and battery voltages, and signal circuits. 20' Long cord plugs into 7-way connector for convenient, in-cab testing.

Tester helps to quickly identify problems in your brake controller wiring. Tests brake controller output voltage, short circuit or overload, and connection to indicate the level of current in each circuit.

Tester helps to quickly identify problems in your brake controller wiring. Tests brake controller output, short circuit or overload, and connection to indicate the level of current in each circuit.