| 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.