| Number | X-pin, colour | Description |
|---|---|---|
| X3535 | 10-pin, Black | Plug connector Relay, horns |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Terminal 87 | Connector, fanfare horns |
| 2 | E | Voltage supply terminal 30 | Fuse F3 |
| 3 | Signal, terminal 49 | Relay, horns | |
| 4 | Not used | ||
| 5 | M | Ground | Ground connector |
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | Not used | ||
| 10 | Not used | ||