Delta Radio Connector, Terminal Identification

Multi-pin connector 1, 20-pin
1 - Speaker line left-rear
2 - Speaker line right-rear
3 - Ground
4 - Speaker line left4ront, open
5 - Speaker line right-front, open
6 - Control plus (speaker)
7 - Coding for BOSE system only, open
8 - Clock (instrument cluster)
9 - Date (instrument cluster)
10 - Frequency display
11 - Remote control in steering wheel, if applicable (open)
12 - A/C remote, if applicable (open)
13 - Controls (CD-changer)
14 - Controls (CD-changer)
15 - Ground (GND) (CD-changer)
16 - Voltage supply (B+) (CD-changer)
17 - Control plus (CD-changer)
18 - Low frequency-Ground (GND) (CD-changer)
19 - Low frequency left
20 - Low frequency right

Multi-pin connector II, 8-pin, brown
3 - Right-front speaker (+)
4 - Right-front speaker (-)
5 - Left-front speaker (+)
6 - Left-front speaker (-)

Multi-pin connector III, 8-pin, black
1 - Speed sensor signal
2 - Low frequency-mute button
3 - Terminal 30
4 - Terminal 86s
5 - Control plus (antenna)
6 - Lighting
7 - Terminal 30
8 - Terminal 31