| Number | X-pin, colour | Description | 
|---|---|---|
| X676 | 4-pin, Black | Plug connector, rear left/right radio speaker | 
| Pin | Description | B: Socket housing S: Pin housing | |
|---|---|---|---|
| 1 | Positive activation, rear left loudspeaker | Left rear speaker | |
| S: Radio | |||
| 2 | Negative activation, rear left loudspeaker | Left rear speaker | |
| S: Radio | |||
| 3 | Positive activation, rear right loudspeaker | Right rear speaker | |
| S: Radio | |||
| 4 | Negative activation, rear right loudspeaker | Right rear speaker | |
| S: Radio | |||