GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Starting and Charging Schematics
Figure 1:

Starting - L26
Object Number: 2081629 Size: FS
Figure 2:

Starting (LS4)
Object Number: 2081639 Size: FS
Figure 3:

Charging
Object Number: 2081644 Size: FS