Trailer Wiring Tester

Trailer Wiring Testers ensure that the vehicle's towing circuit is working properly and help you identify which of the circuits are not working making troubleshooting faster and easier. Trailer Wiring Testers are made from Cadmium-plated steel for maximum weather resistance.

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4-POLE CONNECTORS WITH CIRCUIT TESTERS
Plugs into vehicle's existing 4-pole tow plug. Ensures vehicle's towing circuit is working properly.

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Retail: $17.47
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DE-BUG™ PLUG 7-WAY AND 4-WAY CIRCUIT TESTER
Gives the user an indication if the 12-volt power from tow vehicle is reaching trailer's tow plug.

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Retail: $44.87
Our Low Price: $27.99
You Save: $16.88

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