GM Service Manual Online
For 1990-2009 cars only

Radio/Audio System Schematics w/ U1C/UM7


Object Number: 1218089  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
LH HDLP,RH HDLP,HTD SEATS,BRAKE,PREM AUD, and BATT FEED Fuses
RADIO, BCM/CLUSTER, INT LIGHTS, PARK, HAZARD, and LOCK MIRROR Fuses
Ignition Switch
TURN,BCM,RADIO(IGN),HVAC, and HTD SEATS Fuses
Interior Lights Dimming Schematic
Park Lamps
Onstar Schematic
G201
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons

Radio/Audio System Schematics WBM w/ UR9/UP0

Figure 1:

Radio and Amplifier Power and Ground


Object Number: 1218090  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers
LH HDLP,RH HDLP,HTD SEATS,BRAKE,PREM AUD, and BATT FEED Fuses
Ignition Switch
Interior Lights Dimming Schematic
Park Lamps
Onstar Schematic
G201
G401 and G403
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 2:

Speakers


Object Number: 1218091  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Power and Ground
Entertainment Schematic Icons