Designed to help you quickly identify problems in the wiring of the trailer. Provides instant test of running light circuits. Features LED display to show completed circuit for the running lights, and turn signals. The tester indicates approximate amount of current in each circuit. Will also test the voltage of the external battery connected to the trailer charge circuit (i.e. trailer battery). 7-Way Tester: Auxiliary, electric brake and battery charge included.
MFG# 767943 UPC# 783192017499
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