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

Shift Solenoids, TCC and TFT


Object Number: 1740899  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
ISS, Pressure Control, and VSS
CRUISE, IGN1 MAIN, and TRN SIG Fuses
G117
CRUISE, IGN1 MAIN, and TRN SIG Fuses
G117
B+ Bus 2 of 2
B+ Bus 2 of 2
Data Communication Schematics
Figure 2:

ISS, Pressure Control, and VSS


Object Number: 1740900  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Internal Mode Switch
Shift Solenoids, TCC and TFT
Figure 3:

Internal Mode Switch


Object Number: 1740901  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
ISS, Pressure Control, and VSS
G117