| Number | X-pin, colour | Description | 
|---|---|---|
| X18977 | 4-pin, Black | Plug connector Rear right light I | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | E | Rear left turn signal indicator | Light module | 
| 2 | E | Right brake light | Light module | 
| 3 | E | Right tail light | Trailer module (AHM) | 
| 4 | M | Terminal 31 Power ground | Ground connector |