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

Transmission Controls


Object Number: 1777090  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Switches
Automatic Transmission Schematic Icons
B+ Bus - Underhood Fuse Block - 1 of 2
RUN/CRNK Relay Bus - 1 of 3, AIRBAG, CRUISE/MISC, and TRANS Fuses
G105
G105
Figure 2:

Switches


Object Number: 1777097  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
TCC Brake/Cruise Release Switch and Vehicle Speed Sensor
Transmission Controls
Automatic Transmission Schematic Icons
G100, G102, G103, G104, G110, and G120
Figure 3:

TCC Brake/Cruise Release Switch and Vehicle Speed Sensor


Object Number: 1777099  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Switches
Automatic Transmission Schematic Icons
B+ Bus - Underhood Fuse Block - 1 of 2
G105
RUN/CRNK Relay Bus - 1 of 3, AIRBAG, CRUISE/MISC, and TRANS Fuses
G105
Automatic Transmission Schematic Icons