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

PCM Power and Grounds


Object Number: 800189  Size: FS
Master Electrical Component List
Transmission General Description
ABS/TCC Switch and Transaxle Solenoids
Ignition Switch
Starter Solenoid Controls
Ignition Switch
Start Circuit Breaker, PCM, IGN and IGN 1 Fuses
ALDL, PCM BATT, IP Fuses
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Figure 2:

Stop Lamp Switch and Transaxle Solenoids


Object Number: 800188  Size: FS
Master Electrical Component List
Transmission General Description
Automatic Transaxle - Sensors
PCM Power and Grounds
Cruise Control Switches and Module Power and Ground
SIR, Vent Sol, and IGN 1 Fuses
Oxy Sen, CR Cont, MDL Coil, Trans Fuses
Figure 3:

Sensors


Object Number: 800190  Size: FS
Master Electrical Component List
Transmission General Description
Automatic Transaxle - IMS Switch and VSS
ABS/TCC Switch and Transaxle Solenoids
Figure 4:

Transmission Internal Mode Switch (IMS) and VSS


Object Number: 800181  Size: FS
Master Electrical Component List
Transmission General Description
Automatic Transaxle - Sensors