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

EBCM Power, Ground, Serial Data, and Switches


Object Number: 1467889  Size: FS
Master Electrical Component List
ABS Description and Operation
Wheel Speed Sensors
CD/DLC, HVAC BLOWER, IGN 3, and RADIO/ONSTAR Fuses
BCM CLUSTER, DEFOG LED, and REAR DEFOG Fuses
Engine Data Sensors - Temperature, VSS, MAF, and Extended Brake Travel Switch
Fuse Block - Underhood Bus
Data Link Connector
G191, G202, and G303
G110 (2 of 2) and G102
Figure 2:

Wheel Speed Sensors


Object Number: 1485487  Size: FS
Master Electrical Component List
ABS Description and Operation
Module, Power, Ground, Serial Data, and Switches
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
G110 (2 of 2) and G102