GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave - AWD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 SIR Schematics
Figure 1:

Module Power, Ground, Indicators, Rollover/Passenger Presence Sensors
Object Number: 1883172 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Front End Sensors, Seat Belt Pretentioners, and Front Air Bags
Figure 2:

Front End Sensors, Seat Belt Pretentioners, and Front Air Bags
Object Number: 1883173 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Side Impact Sensors and Roof Rail/Side Impact Air Bags
Module Power, Ground, Indicators, Rollover/Passenger Presence Sensors
Figure 3:

Side Impact Sensors and Roof Rail/Side Impact Air Bags
Object Number: 1883174 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Front End Sensors, Seat Belt Pretentioners, and Front Air Bags