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

Ground, Indicators, Messages and Power


Object Number: 1772080  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Wheel Speed Sensors
BCM Fuses: ECM, HTD SEAT/WPR Relays, GM LAN RUN/CRNK, and SDM/AOS AIRBAG, Fuse Block - Underhood ABS/MRRTD and TCM/TRANS Fuses and WIPER RUN/ACC Relay
Fuse Block - Underhood ABS, AMP, BATT2, COOLFAN, ECM/TCM/EASY KEY, HORN/ALT SENSE, HVAC, and MRRTD Fuses
BCM Fuses: ECM, HTD SEAT/WPR Relays, GM LAN RUN/CRNK, and SDM/AOS AIRBAG, Fuse Block - Underhood ABS/MRRTD and TCM/TRANS Fuses and WIPER RUN/ACC Relay
Class 2
GMLAN - A/T
GMLAN - M/T
G105 and G107
Figure 2:

Wheel Speed Sensors


Object Number: 1772081  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Brake Pedal Signal and Traction Control Switch
Ground, Indicators, Messages and Power
Antilock Brake System Schematic Icons
Figure 3:

Brake Pedal Signal and Traction Control Switch


Object Number: 1772086  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Stability Control Sensors (JL4)
Wheel Speed Sensors
Hazard, Stop Lamps, and Turn Signal Outputs (Y07/Y67)
Hazard, Stop Lamps, and Turn Signal Outputs (Y87
DLC, HVAC Control Module, Radio and Switches
DLC, Ground, Power, and Stop Lamp Signal
G202, 1 of 2
Figure 4:

Stability Control Sensors (JL4)


Object Number: 1772088  Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Brake Pedal Signal and Traction Control Switch
Steering Assist Schematics