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

Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Seral Data


Object Number: 1376510  Size: FS
Master Electrical Component List
Torque Converter Clutch (TCC) and Transmission Solenoids
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
MR140
G201
Figure 2:

Torque Converter Clutch (TCC) and Transmission Solenoids


Object Number: 1376511  Size: FS
Master Electrical Component List
Vehicle Speed and Input Speed Sensors
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data
Underhood Fuse Block - IP FUSE, DR/LOCK and STOP LAMPS Fuses
Underhood Fuse Block - IP FUSE, DR/LOCK and STOP LAMPS Fuses
Figure 3:

Vehicle Speed and Input Speed Sensors


Object Number: 1471553  Size: FS
Master Electrical Component List
Park/Neutral Position (PNP) Switch
Torque Converter Clutch (TCC) and Transmission Solenoids
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
G201
G201
G201
Figure 4:

Park/Neutral Position (PNP) Switch


Object Number: 1471555  Size: FS
Master Electrical Component List
Vehicle Speed and Input Speed Sensors
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
Starting and Charging
I/P Fuse Block - ECM Fuse
G201
Park Lamp and License Plate Lamps