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

Power, Ground, and Sensors


Object Number: 766780  Size: FS
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Master Electrical Component List
Battery Voltage to the Rear Fuse Block
Serial Data Class 2
Seat Belt Schematic
G303, G305, G310, and G404
SIR - Module Controls
SIR Caution
Figure 2:

SIR - Module Controls


Object Number: 766781  Size: FS
Master Electrical Component List
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Caution
SIR - Power, Ground, and Sensors