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

Ignition Tamper/Security Sensors


Object Number: 776770  Size: FS
Master Electrical Component List
Theft Systems Description and Operation
Key Cylinder Switches
Splice Pack SP205
Figure 2:

Key Cylinder Switches


Object Number: 776771  Size: FS
Master Electrical Component List
Theft Systems Description and Operation
Ignition Tamper/Security Sensors
G203 - 1 of 3
Door Jamb Switch Signals - Uplevel Crewcab
G203 - 1 of 3
G200
G200
G200
G200