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

TCM and Transmission, Power, Ground, Serial Data, Inputs and Outputs


Object Number: 1956989  Size: FS
Master Electrical Component List
Definitions and Abbreviations
Control Module References
Transmission Internals
G103, G110, G111 and G112 (6.0L)
ECM Power, Ground and Serial Data
B+ Bus - 1 of 2
B+ Bus - 1 of 2
B+ Bus - 1 of 2
Figure 2:

Transmission Internals


Object Number: 1957083  Size: FS
Master Electrical Component List
Definitions and Abbreviations
Control Module References
Shifter Assembly, Power/Economy Switch and Cruise Control Switch
TCM and Transmission, Power, Ground, Serial Data, Inputs and Outputs
Figure 3:

Shifter Assembly, Power/Economy Switch and Cruise Control Switch


Object Number: 1990402  Size: FS
Master Electrical Component List
Definitions and Abbreviations
Control Module References
Transmission Internals
G201 - 1 of 2
B+ Bus - 1 of 2
Cigar Lighters, Multifunction Center Console Switch, Headlamp and Dimmer Switch, Auto Transmission Shift Lever Switch, Steering Wheel Switches, Window/Door Lock and Mirror Switch Illumination