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

Power, Ground and Class 2


Object Number: 799554  Size: FS
Master Electrical Component List
Cellular Telephone Description and Operation
Vehicle Communication Interface Module (VCIM) Microphone, Audio Amplifier
DIMR and Audio Fuses
G401
Class 2 Serial Data (2 of 3)
G401
DIMR and Audio Fuses
DIMR and Audio Fuses
Figure 2:

Vehicle Communication Interface Module (VCIM) Microphone, Audio Amplifier


Object Number: 799555  Size: FS
Master Electrical Component List
Cellular Telephone Description and Operation
Cellular Telephone Interface Board
Power, Ground and Class 2
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Figure 3:

Cellular Telephone Interface Board


Object Number: 799556  Size: FS
Master Electrical Component List
Cellular Telephone Description and Operation
Web Radio
Vehicle Communication Interface Module (VCIM) Microphone, Audio Amplifier
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Figure 4:

Web Radio


Object Number: 799557  Size: FS
Master Electrical Component List
Cellular Telephone Description and Operation
Cellular Telephone Interface Board
Domestic Microphone
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons