4 Pole Round Trailer Connector

4 Pole Round Trailer Connector. If all is good with the trailer circuit and bulb, then check the truck's trailer connector, including any adapters. Unfollow trailer wiring harness round to stop getting updates on your eBay Feed.

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring ... (Bill Berry)

Various connectors are available from four to seven pins to allow for the transfer of power for the lighting as well as auxiliary functions such as electric trailer brake control, backup lights, etc. Be the first to review this product. In the North American market it is very common for brake lights and turn signals to be combined.

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WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm.

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Unfollow trailer wiring harness round to stop getting updates on your eBay Feed. Trailer-Vehicle Connector Wiring. by James W. No cutting, splicing or tracing wires.