| Number | X-pin, colour | Description |
|---|---|---|
| X3511 | 3-pin, Black | Plug connector Roof sign switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Voltage supply terminal 30 | Fuse F64 |
| 2 | E | Voltage supply, terminal 15 | Fuse F33 |
| 3 | A | Voltage supply terminal 30 | Connector terminal 30 |