Tekonsha Current Monitor Testing device designed to assist in determining whether a tow vehicles trailer connector has been wired properly. Excellent diagnostic tool for installation, setup and troubleshooting of electric trailer brake controls. Used to level and pre-set brake control when trailer is not available...

Trailer TesterThe Trailer Tester is designed to help you quickly identify problems in the wiring of the trailer. This is done by testing the Left Turn, Right Turn, Tail/Marker, Brake and Back Up circuits on the trailer. The tester indicates approximate amount of current in each circuit. It will also test the voltage of the external battery connecte..