GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 SSR 🢒 Body and Accessories 🢒 Body Control System 🢒 Radio/Audio System Schematics
Figure 1:

Power, Ground, Serial Data and Antenna -- Base
Object Number: 1223769 Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers Outputs - Base
B+ Bus - Fuse Block - Rear
Data Link Connector (DLC) Schematics
G103, G104
Figure 2:

Speaker Outputs -- Base
Object Number: 1223797 Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Power, Ground, Serial Data, Antenna and Low Level Audio Signals - Premium
Power, Ground, Serial Data and Antenna - Base
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 3:

Power, Ground, Serial Data, Antenna and Low Level Audio Signals -- Premium
Object Number: 1223814 Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Speaker Outputs, Noise Reduction Microphone - Premium
Speakers Outputs - Base
B+ Bus - Fuse Block - Rear
Entertainment Schematic Icons
Entertainment Schematic Icons
G103, G104
Data Link Connector (DLC) Schematics
Figure 4:

Speaker Outputs, Noise Compensation Microphone -- Premium
Object Number: 1223825 Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Power, Ground, Serial Data, Antenna and Low Level Audio Signals - Premium
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Data Link Connector (DLC) Schematics