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

Module Power, Ground, DLC, and Indicator


Object Number: 1975835  Size: FS
Master Electrical Component List
Immobilizer Description and Operation
Hood Ajar Switch
Figure 2:

Hood Ajar Switch


Object Number: 1975066  Size: FS
Master Electrical Component List
Immobilizer Description and Operation
Module Power, Ground, DLC, and Indicator