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

EBCM Power, Wheel and Speed Sensors, and Brake Pedal Sensor


Object Number: 1567153  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Brake Pedal Position Sensor, Indicators and Serial Data
B+ Bus Bar - 1 of 2
B+ Bus Bar - 2 of 2
G103, G204, G105, G104, and G106
Figure 2:

Brake Pressure Modulator Valves and ABS Telltale Indicator


Object Number: 1567159  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
EBCM Power, Ground, Wheel Speed Sensors, and BPMV