OEM Replacement 7-Way RV Blade Socket, USCAR to 7-Pin Vehicle-Side Female-End Socket for Ford, GMC, Chevy, Dodge, Trailer Plug - Factory 7 Pin & Tow Package Required DESIGN - This 7 Blade Trailer Connector Is Designed For Ford, GM, And RAM Vehicles With A USCAR Socket. Universal design allows for use with any Tow Vehicle. PLUG & PLAY - 7 Pin Connector - Easy Install - No Cutting/Splicing, Just Plug Into The 7 Way USCAR Trailer Connector / 7 Way RV Trailer Socket Connects Stop, Tail, Turn, Reverse, And Auxiliary Power APPLICATION - Standard American Style 7 Pin Trailer Connector Is A Great Replacement For Your Old 7-Way Trailer Connector, Widely Used For Towing Rv Travel Trailers. DURABILITY - Heavy Duty Polycarbonate Construction, Nickel Plated Terminal Pins - High Conductivity & Low Resistance. Spring-Loaded Dust Cover Protects Terminals. Warrantied For 3 Years. Commonly known as a 7 way trailer plug, 7 pin trailer plug, or 7 blade trailer plug, this harness is universal in its application on any tow vehicle.