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

EBCM Power and Ground


Object Number: 1380898  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Traction Control Switch (w/NW9) and Indicators
Ignition Circuits
B+ Bussing
Figure 2:

Traction Control Switch and Indicators


Object Number: 1380899  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
WSS
EBCM Power and Ground
B+ Bussing
Stop Lamps
Cruise Control Schematic
G203 and G205
Data Link Communication Schematic
Figure 3:

Wheel Speed Sensors


Object Number: 1380900  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Traction Control Switch (w/NW9) and Indicators
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons