Tools and Shop Products

4/5 Pin Trailer Circuit Tester

SKU: MC8800

SKU: MC8800

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Description

This handy harness checker easily traces each lighting function to the truck side terminal. Each LED corresponds to the circuit being energized and provides an easy-to-connect ground terminal for trailer lighting setup. Leave connected inline with trailer and truck. Durable ABS plastic construction.

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This handy harness checker easily traces each lighting function to the truck side terminal. Each LED corresponds to the circuit being energized and provides an easy-to-connect ground terminal for trailer lighting setup. Leave connected inline with trailer and truck. Durable ABS plastic construction.

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