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

Data Link, Ground, MIL, and Power (JL9)


Object Number: 873280  Size: FS
Master Electrical Component List
ABS Description and Operation
Wheel Speed Sensors
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
Fuse Block-SEO, and Fusible Links
Ground, Odometer/PRNDL, Power, and VSS
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
DLC
Figure 2:

Wheel Speed Sensors


Object Number: 695486  Size: FS
Master Electrical Component List
ABS Description and Operation
PCM, and Stop Lamps Switch
Data Link, Ground, MIL, and Power
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:

PCM and Stop Lamps Switch


Object Number: 695489  Size: FS
Master Electrical Component List
ABS Description and Operation
Traction Control Switch
Wheel Speed Sensors
AUX PWR, BRK SW, C/LTR, DRL/EXT LTS, HAZ SW, HVAC BLO
Stop Lamps Control, and CHMSL [Impala]
Stop Lamps Control, and CHMSL [Impala]
Cruise Control - Impala
Figure 4:

Traction Control Switch


Object Number: 695491  Size: FS
Master Electrical Component List
ABS Description and Operation
PCM, and Stop Lamps Switch
G203 [2 of 3]
G203 [1 of 3]
G203 [1 of 3]
DLC