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

Power and Grounds


Object Number: 488614  Size: FS
ABS/PCM, STOP, TURN SIGNAL and SRS Fuses
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Battery, EBCM, Engine Wiring Harness Junction Blocks (Bottom and Top),Fusible Links, Generator, Remote Battery Stud and Starter
Handling ESD Sensitive Parts Notice
ABS Components
ABS Description
Indicators and Serial Data
Figure 2:

Indicators and Serial Data


Object Number: 488615  Size: FS
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Electronic Traction Control Switch
Data Link Communications Schematic
Handling ESD Sensitive Parts Notice
LED Displays
G201 (1 of 2)
ABS Components
ABS Description
Electronic Traction Control Switch
Power and Grounds
Figure 3:

Electronic Traction Control Switch


Object Number: 488617  Size: FS
IP and Console Lamps
G301 (1 of 2)
Indicators and Serial Data
IP and Console Lamps
G203 (2 of 3)
G201 (1 of 2)
G203 (2 of 3)
ABS Components
ABS Description
Brake Switch and PCM
Indicators and Serial Data
Figure 4:

Brake Switch and PCM


Object Number: 488619  Size: FS
C/LTR, AUX PWR, HAZ SW, BRK SW and HVAC BLO Fuses
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
ABS Components
ABS Description
Wheel Speed Sensors
Electronic Traction Control Switch
Figure 5:

Wheel Speed Sensors


Object Number: 488621  Size: FS
Handling ESD Sensitive Parts Notice
ABS Components
ABS Description
Brake Switch and PCM