Replacement 7-Way Round RV Style Trailer Connector This standard 7-pole plug connects trailer to socket on tow vehicle. The waterproof design is going to keep dust and moisture out of the connection points once you have your wires ran through.
Wiring Configuration:
Blue: Electric brake
Green: Right turn signal and brakes
Red: Auxiliary 12V+ and reverse lights
Brown: Tail / running lights
Yellow: Left turn signal and brakes
White: Ground wire