7-way flat pin socket used as original equipment on many GM, Ford and Nissan vehicles equipped with a factory 7-way connector. This trailer wiring connector is built to withstand the elements. It is constructed from durable black molded plastic to be impervious to rust, and it features a dust cap with a spring mechanism to keep out rain, salt, grime and dirt when the connector is not in use. Nylon housing Plugs into USCAR socket to provide 7-way RV blade trailer wiring connector Simple plug-and-play design eliminates the need for cutting or splicing 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power Spring-loaded dust cover keeps connector clean when not in use