7 way round pin trailer plug wiring diagram

7-Way Trailer & RV Plug Diagram AJ's Truck & Trailer.. The 7-Way Trailer Plug is around 2″ diameter connector that allows an additional pin for an auxiliary 12-volt power or backup lights. It is usually used for towing heavy-duty cargo trailers, aluminum trailers, dump trailers, utility / landscape trailers, equipment trailers, open car haulers and enclosed car haulers.

7-Way Trailer & RV Plug Diagram AJ's Truck & Trailer.
7-Way Trailer & RV Plug Diagram AJ's Truck & Trailer. from www.etrailer.com

7-ways are some of the most common harnesses found on trailers. 7-ways provide the required running lights, turn signals, brake lights, and ground for the trailer. In addition, they provide.

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