GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2004
🢒
LeSabre
🢒
Accessories
🢒
Cellular Communication
🢒 OnStar Schematics
Figure
1:
Power, Ground, DLC, OnStar GPS and Cellular Antennas
AUDIO (On Star) Fuse (Fuse Block Rear)
AUDIO (On Star) Fuse (Fuse Block Rear)
Serial Data Class 2
Master Electrical Component List
Keypad Microphone Signals
G401 (2 of 2)
G305, G310, G404, and G303
Figure
2:
Keypad Microphone Signals
Master Electrical Component List
Power, Ground, DLC, OnStar GPS and Cellular Antennas
G402
G402
HVAC Schematic Icons
HVAC Schematic Icons
HVAC Schematic Icons