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

Ajar Switches


Object Number: 1921753  Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Control Module References
Arm, Disarm and Warning
Figure 2:

Arm, Disarm, and Warning


Object Number: 1921755  Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Control Module References
Ajar Switches