Shop Nilight USCAR to RV 7 Way Trailer Plug Adapter OEM Style Factory Tow Package and USCAR Socket Required 7Pin Round Connector Plug Compatible with Chevy Ford GMC and Nissan Silverado in high quality, support 2 Years Warranty. Designed for Ford, GM, and Nissan vehicles with a USCAR socket, ensuring the easiest possible installation and the most reliable wiring connection.