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

Transmission Control Module (TCM), Upfitter Connector


Object Number: 689357  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: 689359  Size: FS
Master Electrical Component List
Transmission Controls, Signal Outputs
Transmission Control Module (TCM), Upfitter Connector
Figure 3:

Transmission Controls, Signal Outputs


Object Number: 689366  Size: FS
Master Electrical Component List
Transmission Control Module, Transmission Shift Lever
Transmission Control Module (TCM), Transmission Control Interface Module
Figure 4:

Transmission Control Module, Transmission Shift Lever


Object Number: 689360  Size: FS
Master Electrical Component List
Transmission Controls, MD Automatic Transmission
Transmission Controls, Signal Outputs
Figure 5:

Transmission Controls, MD Automatic Transmission


Object Number: 689362  Size: FS
Master Electrical Component List
Transmission Controls, Speed Sensor Inputs
Transmission Control Module, Transmission Shift Lever
Figure 6:

Transmission Controls, Speed Sensor Inputs


Object Number: 689364  Size: FS
Master Electrical Component List
Transmission Control Module, Power and Ground
Transmission Controls, MD Automatic Transmission
Figure 7:

Transmission Control Module, Power and Ground


Object Number: 292695  Size: FS
Master Electrical Component List
Transmission Controls, Speed Sensor Inputs