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4-POLE CONNECTORS WITH CIRCUIT TESTERS
4-POLE CONNECTORS WITH CIRCUIT TESTERS Plugs into and upgrades vehicle's existing 4-pole tow plug Detects faulty wiring and incorrect connectionsEnsures that the vehicle's towing circuit is working properly LEDs instantly let you know whether power is reaching the trailerSaves time finding the source of trailer light problems. Eliminates guesswork, troubleshooting — you'll KNOW which of the circuits are and which are not working. Plugs in between the tow vehicle's plug and the trailer's plug.
11.99 USD
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