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

Transmission Controls


Object Number: 1285072  Size: FS
Master Electrical Component List
Transmission Component and System Description
Switches and VSS
OBD II Symbol Description Notice
B+ Bus - Underhood Fuse Block
SIR, CRUISE/MISC, TRANS, BACK UP, and ABS Fuses
Splice Pack SP105 and G105 - 1 of 2
Figure 2:

Switches


Object Number: 1285073  Size: FS
Master Electrical Component List
Transmission Component and System Description
TCC Brake/Cruise Release Switch and Vehicle Speed Sensor
Transmission Controls
OBD II Symbol Description Notice
G100, G104, G102, G103, and G101
Figure 3:

TCC Brake/Cruise Release Switch and Vehicle Speed Sensor


Object Number: 1385081  Size: FS
Master Electrical Component List
Transmission Component and System Description
Switches and VSS
OBD II Symbol Description Notice
B+ Bus - Underhood Fuse Block
SIR, CRUISE/MISC, TRANS, BACK UP, and ABS Fuses
SIR, CRUISE/MISC, TRANS, BACK UP, and ABS Fuses
Splice Pack SP105 and G105 - 1 of 2
Automatic Transmission Schematic Icons