7-Way Trailer & RV Plug Diagram - AJ's Truck & Trailer Explore further
It's the dreaded 7-Way Trailer & RV plug that we all have come to know and love. Most new vehicles equipped with a tow package have connectors. Trailers with electric brakes need them too. The 7-Way Trailer Plug is around 2″ diameter connector that allows an additional pin for an auxiliary 12-volt power or backup lights.
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