Oyviny 7 Pin Round to 4 Way Flat Trailer Wiring Adapter, Heavy Duty Vehicle Side 7 Way Round Pin SAE J560 Plug to 4 Pin Adapter for Tractor Semi Truck Dump Trucks Towing Utility Boat Trailers. Round 7 Way to Flat 4 Pin Trailer Adapter: Oyviny 7 round pin to 4 flat trailer adapter converts vehicle side SAE J560 7 way round pin socket to a standard 4 way flat plug, ideal for connecting your semi-trucks, farm tractors, or dump trucks to boat trailers or utility trailers with a 4-flat wiring system, no rewiring needed!
The Oviny 7 Pin Round to 4 Way Flat Trailer Wiring Adapter is ideal for heavy-duty vehicle side electrical systems.
