| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Trailer right turn signal lamp | Trailer adapter connector X630 Pin 1 |
| | | |
| 2 | A | Coding signal | Light module |
| | | |
| 3 | | Not used | |
| | | |
| 4 | | Not used | |
| | | |
| 5 | A | Signal Brake light | Trailer adapter connector X630 Pin 6 |
| | | |
| 6 | A | Left tail light | Trailer adapter connector X630 Pin 7 |
| | | |
| 7 | A | Right tail light | Trailer adapter connector X630 Pin 5 |
| | | |
| 8 | A | Trailer back-up light | Trailer adapter connector X630 Pin 8 |
| | | |
| 9 | A | Trailer rear fog light | Trailer adapter connector X630 Pin 2 |
| | | |
| 10 | E | Terminal 30 voltage supply | Fuse F14 |
| | | |
| 11 | A | Trailer left turn signal lamp | Trailer adapter connector X630 Pin 1 |
| | | |
| 12 | E | Rear left turn light | Left rear light assembly I |
| | | |
| 13 | E | LH rear turn light | Right rear light assembly I |
| | | |
| 14 | | Not used | |
| | | |
| 15 | E | Right brake light | Right rear light assembly I |
| | | |
| 16 | E | Left tail light | Left rear light assembly I |
| | | |
| 17 | E | Right tail light | Right rear light assembly I |
| | | |
| 18 | M | Terminal 31 Ground wire | Ground point |
| | | |
| 19 | | Not used | |
| | | |
| 20 | A | Terminal 30, permanent positive for trailer | Trailer adapter connector X630 Pin 9 |
| | | |