GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2001
🢒
Bonneville
🢒
Body and Accessories
🢒
Body Control System
🢒 OnStar Schematics
Figure
1:
Power, Ground, and Class 2
Master Electrical Component List
Battery Voltage to the Rear Fuse Block
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses (Fuse Block - Rear)
G401 (1 of 2)
Class 2 Serial Data
Keypad Controls
Figure
2:
Keypad Controls
Master Electrical Component List
G402
VIU and VCU Signals
Power, Ground, and Class 2
G402
Figure
3:
VIU and VCU Signals
Master Electrical Component List
G303, G305, G310, and G404
Keypad Controls