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

Power, Ground, DLC, Controlled/Monitored Subsystem References


Object Number: 1351062  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Digital Radio Receiver
R/H BEC BATT, ABS, COOL FAN #2 GROUND (V6), INT LPS, RADIO BATT, FOG LPS Fuses
R/H BEC BATT, ABS, COOL FAN #2 GROUND (V6), INT LPS, RADIO BATT, FOG LPS Fuses
Data Link Connector (DLC) Schematics
Park Lamps - Rear - Pontiac
Instrument Panel Lamps
Steering Wheel Controls Schematics
Amplifier - U85
G202
G203
Figure 2:

Digital Radio Receiver -- U2K


Object Number: 1351066  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Front Speakers - UQ8
Power, Ground, DLC, Controlled/Monitored Subsystem References
R/H BEC BATT, ABS, COOL FAN #2 GROUND (V6), INT LPS, RADIO BATT, FOG LPS Fuses
R/H BEC BATT, ABS, COOL FAN #2 GROUND (V6), INT LPS, RADIO BATT, FOG LPS Fuses
Data Link Connector (DLC) Schematics
Entertainment Schematic Icons
G202
Figure 3:

Front Speakers - UQ8


Object Number: 1254500  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Rear Speakers - UQ8
Digital Radio Receiver
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 4:

Rear Speakers - UQ8


Object Number: 1351077  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Amplifier - U85
Front Speakers - UQ8
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 5:

Amplifier - U85


Object Number: 1351082  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Front Speakers - U85
Rear Speakers - UQ8
L/H BEC BATT1, AUX PWR/CIGAR, PARK LPS, PCM BATT, PWR MIRROR, DR LOCK, TRUNK REL/RFA/RADIO AMP Fuses, and PWR SEAT Circuit Breaker
L/H BEC BATT1, AUX PWR/CIGAR, PARK LPS, PCM BATT, PWR MIRROR, DR LOCK, TRUNK REL/RFA/RADIO AMP Fuses, and PWR SEAT Circuit Breaker
G401
Entertainment Schematic Icons
Entertainment Schematic Icons
Power, Ground, DLC, Controlled/Monitored Subsystem References
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 6:

Front Speakers - U85


Object Number: 834769  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Rear Speakers - U85
Amplifier - U85
Figure 7:

Rear Speakers - U85


Object Number: 834776  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Front Speakers - U85