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

Transmission Control Module (TCM), Upfitter Connector


Object Number: 777995  Size: FS
Master Electrical Component List
Transmission Control Module (TCM), Transmission Control Interface Module
Figure 2:

Transmission Control Module (TCM), Transmission Control Interface Module


Object Number: 778008  Size: FS
Master Electrical Component List
Transmission Control Module, Power and Ground
Transmission Control Module (TCM), Upfitter Connector
Figure 3:

Transmission Control Module, Power and Ground


Object Number: 778066  Size: FS
Master Electrical Component List
Transmission Controls, Signal Outputs
Transmission Control Module (TCM), Transmission Control Interface Module
Figure 4:

Transmission Controls, Signal Outputs


Object Number: 778016  Size: FS
Master Electrical Component List
Speedometer Adapter, Vehicle Speed Sensor
Transmission Control Module, Power and Ground
Figure 5:

Speedometer Adapter, Vehicle Speed Sensor


Object Number: 811445  Size: FS
Master Electrical Component List
Transmission Control Module, Transmission Shift Lever
Transmission Controls, Signal Outputs
IP Fuse Block, Curcuit Breaker 6, Page 1 of 2
IP Fuse Block, Circuit Breaker 6, Page 2 of 2
Fuse Voltage Supply
G105, Splice Pack 5, S338
G105, S325, S328
Electric Operated Switches, Page 2 of 2
Figure 6:

Transmission Control Module, Transmission Shift Lever


Object Number: 778030  Size: FS
Master Electrical Component List
Transmission Control, Automatic Transmission Connector
Speedometer Adapter, Vehicle Speed Sensor
Figure 7:

Transmission Controls, MD Automatic Transmission


Object Number: 778047  Size: FS
Master Electrical Component List
Transmission Controls, Speed Sensor Inputs
Transmission Control Module, Transmission Shift Lever
Data Link Connector (DLC)
Figure 8:

Transmission Controls, Speed Sensor Inputs


Object Number: 778057  Size: FS
Master Electrical Component List
Transmission Control, Automatic Transmission Connector