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

Power, Ground, Stop Lamp Switch, and Data Communications


Object Number: 2151241  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Wheel Speed Sensors
B+ Bus 2 of 2
Fuse Block - Underhood F35 and F16 Fuses
Shift Lock Control Schematics
Brake, Hazard, and Turn Signal Switching
Power Moding Schematics
GM High Speed Serial Data (CAN C)
G109 and G110
Figure 2:

Wheel Speed Sensors


Object Number: 2151242  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Stability Off Switch and Yaw and Lateral Accelerometer Sensor
Power, Ground, Stop Lamp Switch, and Data Communications
Figure 3:

Stability Off Switch and Yaw and Lateral Accelerometer Sensor


Object Number: 2151243  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Wheel Speed Sensors
Power, Ground , Class 2, and GM Low Speed Serial Data (CAN A)
Vehicle Communication and Interface Module (VCIM) - Right
G203, G204, and G205
G203, G204, and G205