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

Power, Ground, Solenoid Valves and Pump Motor


Object Number: 660985  Size: FS
Master Electrical Component List
ABS Description and Operation
Wheel Speed Sensors
Left Underhood Fuse Block- IGN Fuse/ I/P Fuse Block-RUN Fuse, IGN 3 and ACCY Relay
Battery Voltage Supply to Underhood Fuse Blocks
Figure 2:

Wheel Speed Sensors


Object Number: 660986  Size: FS
Master Electrical Component List
ABS Description and Operation
Vehicle Stability Enhancement System (w/JL4)
Power, Ground, Solenoid Valves, and Pump Motor
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
Figure 3:

Vehicle Stability Enhancement System (w/JL4)


Object Number: 660987  Size: FS
Master Electrical Component List
ABS Description and Operation
Traction Control (w/NW9)
Wheel Speed Sensors
Figure 4:

Traction Control (w/NW9) and Variable Effort Steering (w/NV8)


Object Number: 660989  Size: FS
Master Electrical Component List
ABS Description and Operation
Indicators and Stoplamp Switch
Vehicle Stability Enhancement System (w/JL4)
G202 (1 of 4)
Class 2 Serial Data Line
Figure 5:

Indicators and Stop Lamp Switch


Object Number: 660990  Size: FS
Master Electrical Component List
ABS Description and Operation
Traction Control (w/NW9)
Class 2 Serial Data Line
Battery Voltage Supply to Underhood Fuse Blocks
Stop Lamps
Stop Lamps
Left Underhood Fuse Block- BLO MOT, COOL FAN 2, HORN, and STOP Fuses