GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2005
🢒
Bonneville
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Vehicle Control Systems
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Vehicle DTC Information
🢒 OnStar Schematics
Figure
1:
Power Ground and Class 2
Master Electrical Component List
OnStar Description and Operation
Keypad Controls
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses
Serial Data Class 2
G303, G305, G310, and G404
G401 - 1 of 2
Figure
2:
Keypad Controls
Master Electrical Component List
OnStar Description and Operation
Power Ground and Class 2
Cellular Communication Schematic Icons
G402
G402