Trailer Plug Wiring

 

 

Pin # 7-Pin 
Color
6-Pin 
Name
Usage 4-Pin 
Color
1 White GR Ground White
2 Blue S Electric Trailer Brakes -
3 Green TM Tail Lights and Clearance Lights Black
4 Black A +12V to charge battery or whatever -
5 Red LT Left Turn Signal Yellow
6 Brown RT Right Turn Signal Green
Center Yellow? - Auxiliary (Backup?) -

Brake lights are by simultaneous activation of both left and right turn signals.