| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | E | Terminal 30 | Fuse F56 | 
|   |   |   | 
| 2 | E | Radio ON/antenna signal | Radio | 
|   |   |   | 
| 3 | M | Amplifier ground | Stereo/Hifi ground | 
|   |   |   | 
| 4 |   | Not used |   | 
|   |   |   | 
| 5 | A | Positive activation, rear right woofer | Right rear speaker | 
|   |   |   | 
| 6 | A | Negative activation, rear right woofer | Right rear speaker | 
|   |   |   | 
| 7 | A | Positive activation, front left woofer | Left front speaker | 
|   |   |   | 
| 8 | A | Negative activation, front left woofer | Left front speaker | 
|   |   |   | 
| 9 | A | Positive activation, front right woofer | Right front speaker | 
|   |   |   | 
| 10 | A | Negative activation, front right woofer | Right front speaker | 
|   |   |   | 
| 11 | A | Positive activation, rear left woofer | Left rear speaker | 
|   |   |   | 
| 12 | A | Negative activation, rear left woofer | Left rear speaker | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | E | Negative activation, rear right loudspeaker | Radio | 
|   |   |   | 
| 2 | E | Positive activation, rear right loudspeaker | Radio | 
|   |   |   | 
| 3 | E | Positive activation, rear left loudspeaker | Radio | 
|   |   |   | 
| 4 | E | Negative activation, rear left loudspeaker | Radio | 
|   |   |   | 
| 5 |   | Not used |   | 
|   |   |   | 
| 6 |   | Not used |   | 
|   |   |   | 
| 7 |   | Not used |   | 
|   |   |   | 
| 8 | A | Positive activation, front right medium-range speaker | Right front speaker | 
|   |   |   | 
| 9 | A | Negative activation, front right medium-range speaker | Right front speaker | 
|   |   |   | 
| 10 | A | Positive activation, rear left medium-range speaker/tweeter | Subwoofer speaker Saloon Left rear high range speaker | 
|   |   |   | 
| 11 | A | Negative activation, rear left medium-range speaker/tweeter | Subwoofer speaker Saloon Left rear high range speaker | 
|   |   |   | 
| 12 | A | Positive activation, rear right medium-range speaker/tweeter | Subwoofer speaker Saloon Right rear high range speaker | 
|   |   |   | 
| 13 | A | Negative activation, rear right medium-range speaker/tweeter | Subwoofer speaker Saloon Right rear high range speaker | 
|   |   |   | 
| 14 | E | Negative activation, front right loudspeaker | Radio | 
|   |   |   | 
| 15 | E | Positive activation, front right loudspeaker | Radio | 
|   |   |   | 
| 16 | E | Positive activation, front left loudspeaker | Radio | 
|   |   |   | 
| 17 | E | Negative activation, front left loudspeaker | Radio | 
|   |   |   | 
| 18 |   | Not used |   | 
|   |   |   | 
| 19 |   | Not used |   | 
|   |   |   | 
| 20 |   | Not used |   | 
|   |   |   | 
| 21 | A | Positive activation, front left tweeter | Left front speaker | 
|   |   |   | 
| 22 | A | Negative activation, front left tweeter | Left front speaker | 
|   |   |   | 
| 23 | A | Positive activation, front right tweeter | Right front speaker | 
|   |   |   | 
| 24 | A | Negative activation, front right tweeter | Right front speaker | 
|   |   |   | 
| 25 | A | Positive activation, front left mid-range speaker | Left front speaker | 
|   |   |   | 
| 26 | A | Negative activation, front left mid-range speaker | Left front speaker | 
|   |   |   |