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

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


Object Number: 1376510  Size: FS
Master Electrical Component List
Torque Converter Clutch and Transmission Solenoids
I/P Fuse Block ECM Fuse
I/P Fuse Block ECM Fuse
Data Link Connector Schematics
G201 (2 of 2)
G203
G201 (2 of 2)
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, Hold Lamp and Serial Data
Underhood Fuse Block IP FUSE, DR/LOCK and STOP LAMP Fuses
Underhood Fuse Block IP FUSE, DR/LOCK and STOP LAMP Fuses
Figure 3:

Vehicle Speed and Input Speed Sensors


Object Number: 1471553  Size: FS
Master Electrical Component List
Park/Neutral Position Switch
Torque Converter Clutch and Transmission Solenoids
I/P Fuse Block ECM Fuse
I/P Fuse Block ECM Fuse
G201 (2 of 2)
G201 (2 of 2)
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 Schematics
G201 (2 of 2)
Backup Lamps
Battery Saver
G201 (2 of 2)