Concert W/Bose Sound System multi-pin connectors I/II & III

"Concert" Radio With BOSE Sound System







1 - Sedan - rear window antenna with antenna amplifier, Avant - roof antenna with amplifier.
2 - Telephone/Navigation loudspeaker
3 - Rear treble/mid-range loudspeaker in upper part of rear door trim
4 - Rear bass loudspeaker in lower part of rear door trim
5 - Front treble/mid-range loudspeaker in upper part of front door trim
6 - Front bass loudspeaker in lower part of front door trim
7 - BOSE power amplifier in rear of luggage compartment on right-hand side, under side trim
8 - CD changer (optional) in rear of luggage compartment on left-hand side, under side trim

Terminal assignment on multi-pin connectors I, II, and III, on back of radio


NOTE: Terminals which are not listed are vacant/unassigned.







Multi-pin connector I, 20-pin
1 - Active output for left-rear loudspeaker
2 - Active output for right-rear loudspeaker
3 - Ground (GND) connection for active loudspeakers (NF GND)
4 - Active output for left-front loudspeaker
5 - Active output for right-front loudspeaker
6 - Switched B+ supply for active loudspeakers
8 - Clock signal for radio frequency display in instr. cluster
9 - Data signal for radio frequency display in instr. cluster
10 - Enable signal for radio frequency display in instr. cluster
11 - Steering wheel remote control
13 - Data-in signal for CD display in instrument cluster
14 - Data-out signal for CD display in instrument cluster
15 - Clock signal for CD display in instrument cluster
16 - Permanent B+ connection
17 - Switched B+ supply for CD changer
18 - Ground (GND) connection for CD changer
19 - Signal wire for left channel (CD NF-L)
20 - Signal wire for right channel (CD NF-R)

Multi-pin connector II, 8-pin, brown
3 - Loudspeaker + right-front
4 - Loudspeaker - right-front
5 - Loudspeaker + left-front
6 - Loudspeaker - left-front

Multi-pin connector III, 8-pin, black
1 - GALA (vehicle speed signal)
2 - Telephone muting
3 - K, for On Board Diagnostic (OBD)
4 - Connection for switching on and off via ignition key (S-contact) - terminal 86s
5 - Control positive for automatic antenna (only for mirrored glass)
6 - Switch illumination (terminal 58s)
7 - Battery + (terminal 30)
8 - Ground (GND, terminal 31)

Multi-pin connector IV, 10-pin, red
1 - Telephone muting
2 - Terminal 15 (only for navigation)
3 - Telephone (NF+) (not when equipped with navigation)
4 - Telephone (NF-) (not when equipped with navigation)
5 - Navigation system (NF +)
6 - Navigation system (NF -)
7 - Navigation system control wire
9 - Display illumination (terminal 58d)
10 - CD GND