| Number | X-pin, color | Description |
|---|---|---|
| X18187 | 2 -pin, Black | Connector Left medium-range/high-range speaker |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | LH rear tweeter ground control | Amplifier |
| 2 | E | LH rear tweeter voltage control | Amplifier |