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

Power, Ground, Serial Data, and Stop Lamp Switch Signal


Object Number: 1892678  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Input/Output Speed Sensors (ISS/OSS), Internal Mode Switch (IMS), and, TAP Shift Switches
Figure 2:

Input/Output Speed Sensors (ISS/OSS), Internal Mode Switch (IMS), and TAP Shift Switches


Object Number: 1892681  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Power, Ground, Serial Data, and Stop Lamp Switch Signal