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

Module Power and Ground


Object Number: 787953  Size: FS
Master Electrical Component List
ABS Description and Operation
Indicators and Switches
Fuse Block-Underhood IGN and ABS Fuses, Fuse Block-I/P ABS, F/P-INJ, AIR BG, and CRUISE (w/K34) Fuses
Fuse Block-Underhood B+ Buss Bar
G112
Figure 2:

Indicators and Switches


Object Number: 860380  Size: FS
Master Electrical Component List
ABS Description and Operation
Wheel Speed Sensors
Module Power and Ground
Fuse Block-Underhood BATT2 Fuse and Fuse Block-I/P RR DEFOG, PWR ACC, APO, and STOP/HZD Fuses
Fuse Block-Underhood BATT2 Fuse and Fuse Block-I/P RR DEFOG, PWR ACC, APO, and STOP/HZD Fuses
Lamp Controls, Rear Turn Lamps, and Indicators
Release Signals
Data Link Connector (DLC)
G204 2 of 2
Figure 3:

Wheel Speed Sensors


Object Number: 787955  Size: FS
Master Electrical Component List
ABS Description and Operation
Indicators and Switches
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons