GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon Denali 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Theft Deterrent System Schematics
Figure 1:

Content Theft Deterrent
Object Number: 2075512 Size: FS
Figure 2:

SPO Alarm
Object Number: 2075513 Size: FS