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

Internal Mode Switch (IMS) and VSS


Object Number: 906508  Size: FS
Master Electrical Component List
Transmission General Description
Automatic Transmission
RAP Relay, Fuse Block - Underhood, and Fuse Block - I/P Fuses
Cruise Control
Automatic Transmission Shift Lock Control Schematics
G101, G111, and G113
Right Door PSD Switches, Park/Neutral Switch and RCDLR
Backup Lights
Figure 2:

Automatic Transmission


Object Number: 906522  Size: FS
Master Electrical Component List
Transmission General Description
Automatic Transmission TCC Switch
PCM Power, Ground, VSS and Park/Neutral Position (PNP) Switch
Figure 3:

Automatic Transmission TCC Switch


Object Number: 795588  Size: FS
Master Electrical Component List
Transmission General Description
Automatic Transmission
Fuse Block - Underhood, TCC and ELEK IGN Fuses