GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 HHR 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 SIR Schematics
Figure 1:

Indicators, Power, Ground, Pretensioners, and Front Air Bag Modules
Object Number: 1887703 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Side Impact-(ASF), Roof Rail Modules, Front End Sensor
Figure 2:

Side Impact (ASF), Roof Rail Module, and Front End Sensor
Object Number: 1887706 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Indicators, Power, Ground, Pretensioners and Front Air Bag Modules
Passenger Presence System
Figure 3:

Passenger Presence System
Object Number: 1887708 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Side Impact-(ASF), Roof Rail Modules, Front End Sensor