GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Spark 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Theft Deterrent System Schematics
Figure 1:

System Controls
Object Number: 1649906 Size: FS
Figure 2:

Theft Deterrent Immobilizer
Object Number: 1649905 Size: FS