| Number | X-pin, colour | Description |
|---|---|---|
| X18774 | 10-pin, black | Plug connector Subwoofer box |
| X01027 | 2-pin, black | Plug connector Subwoofer box |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Positive activation, subwoofer | Amplifier |
| 2 | E | Signal, subwoofer switched | Amplifier |
| 3 | M | Negative activation Subwoofer, right | Subwoofer, right |
| 4 | M | Ground | Ground point |
| 5 | E | Voltage supply Terminal 30 | Fuse F41 |
| 6 | M | Negative activation, subwoofer | Amplifier |
| 7 | E | Speedometer (A) output signal | Amplifier |
| 8 | A | Positive activation Subwoofer, right | Subwoofer, right |
| 9 | Not used | ||
| 10 | Not used | ||
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Signal Subwoofer, left | Subwoofer, left |
| 2 | A | Signal Subwoofer, left | Subwoofer, left |