4-Flat Vehicle to 7-RV Blade Trailer Adapter #47205 Plastic socket adapter utilizes existing 4-flat vehicle harness for installation. Allows vehicles wired with 4-flat connectors to be easily converted to tow Trailers with 7-RV Blade end plugs. Note: Some additional wiring required to complete installation. Electric Brake Sender required to tow trailers with electric brakes. (see Brake Systems section)
