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

Stop Lamp Switch and Valve Controls


Object Number: 655114  Size: FS
Master Electrical Component List
Electronic Component Description
Switch Inputs and PNP Switch
ING-B Fuse and Ignition Switch
HTR-A/C Fuse 12, BRAKE Fuse 18, and CRUISE Fuse 6
TRANS Fuse 20 and WINDOWS Circuit Breaker
Cruise Control Schematics
EBCM Power Supply and Communication
Figure 2:

Switch Inputs and PNP Switch


Object Number: 655115  Size: FS
Master Electrical Component List
Electronic Component Description
Tow/Haul Switch and VSS Inputs
Stop Lamp Switch and Valve Controls
G105 and G107
Figure 3:

Tow/Haul Switch and VSS Inputs


Object Number: 655116  Size: FS
Master Electrical Component List
Electronic Component Description
Switch Inputs and PNP Switch
G110 (1 of 2)
G101, G106 and G302