GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power and Ground


Object Number: 1547081  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses
Serial Data Class 2
I/P and Console Dimming
G300 and G301 - 1 of 2
G201 - 1 of 2
G201 - 1 of 2
Figure 2:

Speakers


Object Number: 766323  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Radio Output (w/UZ8)
Power and Ground
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 3:

Radio Output (UZ8)


Object Number: 766327  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Front Speakers (w/UZ8)
Speakers
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 4:

Front Speakers (UZ8)


Object Number: 766329  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Rear Speakers (w/UZ8)
Radio Output (w/UZ8)
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 5:

Rear Speakers (UZ8)


Object Number: 766330  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
CD Player (w/U1S)
Front Speakers (w/UZ8)
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 6:

CD Player (U1S)


Object Number: 867685  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Digital Radio Receiver
Rear Speakers (w/UZ8)
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses
Serial Data Class 2
Digital Radio Receiver
Digital Radio Receiver
Entertainment Schematic Icons
G300 and G301 - 1 of 2
Figure 7:

Digital Radio Receiver


Object Number: 867393  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Antenna Module
CD Player (w/U1S)
HVAC BLO, AUDIO AMP, and SDAR Fuses
Serial Data Class 2
CD Player (w/U1S)
CD Player (w/U1S)
Entertainment Schematic Icons
G402
Figure 8:

Antenna Module


Object Number: 766333  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Digital Radio Receiver