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

Early Production


Object Number: 1480607  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Late Production
Fuse Block Underhood Fuses - ABS, AMP, BATT2, COOL FAN, ECM/TCM/ HORN, HVAC and MRRTD
DLC - Class 2
GMLAN
Engine Data Sensors - Pressure, Temperature, MAF, VSS and Brake Travel
G102
G101
Figure 2:

Late Production


Object Number: 1593918  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Early Production
Fuse Block Underhood Fuses - ABS, AMP, BATT2, COOL FAN, ECM/TCM/ HORN, HVAC and MRRTD
DLC - Class 2
GMLAN
Engine Data Sensors - Pressure, Temperature, MAF, VSS and Brake Travel
G102
G101