the speaker wires are the ones in the black conector that are twisted together in pairs..
multi - pin connector I, 20 - pin
1- Line out, rear left
2- Line out, rear right
3- Audio frequency Ground
4- Line out, front left
5- Line out, front right
6- Switched positive supply for active loudspeakers
8- Clock signal for radio frequency display on instrument cluster
9- Data signal for radio frequency display on instrument cluster
10- Enable signal for radio frequency display on instrument cluster
11- Remote control (steering wheel)
Multi - pin connector II, 8 - pin, brown
3- Loudspeaker (+) front right
4- Loudspeaker (-) front right
5- Loudspeaker (+) front left
6- Loudspeaker (-) front left
Multi - pin connector III, 8 - pin, black
1- GALA (road speed signal)
2- Telephone muting
3- K diagnostic
4- Connection for switching on and off via ignition key (S contact), terminal 86s
5- Switched positive supply for power antenna
6- Switch illumination (terminal 58s)
7- Terminal 308- Ground (terminal 31)
Multi - pin connector IV, 10 - pin, red
1- Telephone muting
2- Terminal 15 (only on vehicles with navigation system)
3- Telephone (audio frequency +)
4- Telephone (audio frequency -)
5- Navigation system (audio frequency +)
6- Navigation system (audio frequency -)
7- Navigation system control wire
9- Display illumination (terminal 58d)
10- CD Ground (CD GND)
-Gary