AT9091 Trailer Wire Plug Connecting Harness, American 4-to-4+7 Converter, Power Connecting Cable Adapted for RVs and Vehicle Lights

This trailer harness plug connector is a high-performance product designed to meet the needs of trailer connectivity. It has the American standard 4 to 4+7 pin conversion function, which can be perfectly adapted to the electrical connection between different types of trailers and tow vehicles.