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

Cell 150 Radio/Audio System


Object Number: 458837  Size: FS
Power Distribution Schematics
Fuse Block Schematics
Power Antenna Schematics
Power Distribution Schematics
Fuse Block Schematics
Entertainment Components
Radio/Audio System Circuit Description
Cell 150 Rear Speakers w/o Upfitter Provision
Handling ESD Sensitive Parts Notice
Figure 2:

Cell 150 Rear Speakers w/o Upfitter Provision


Object Number: 458852  Size: FS
Interior Lights Schematics
Handling Electrostatic Discharge Sensitive Parts Notice
Entertainment Components
Radio/Audio System Circuit Description
Cell 150 Rear Speakers w/Upfitter Provision
Cell 150 Radio/Audio System
Figure 3:

Cell 150 Rear Speakers w/Upfitter Provision


Object Number: 458855  Size: FS
Handling Electrostatic Discharge Sensitive Parts Notice
Interior Lights Schematics
Entertainment Components
Radio/Audio System Circuit Description
Cell 150 Radio/Audio System
Cell 150 Rear Speakers w/o Upfitter Provision
Figure 4:

Cell 150 Radio/Audio System


Object Number: 458856  Size: FS
Radio/Audio System Circuit Description
Cell 150 Rear Speakers w/Upfitter Provision
Entertainment Components
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Ground Distribution Schematics