Trailer Connectors offer a convenient way to connect tow Vehicle wiring to Trailer. Vehicle Side Female Socket is easily disassembled for connecting into current wiring harness. Labeled to current industry standards for help in wiring to correct function. Polarized for easy match to Trailer Side Male Plug. Spring-loaded socket cover locks plug into place when in use ensuring positive connection, prevents accidental plug disengagement, and keeps connector clean when not in use. Durable construction for secure electrical connection between your vehicle and trailer.