GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Montana 🢒 Body and Accessories 🢒 Wiring Systems 🢒 SIR Schematics
Figure 1:

Power, Ground, DLC, and SIR Lamp
Object Number: 763741 Size: FS
Master Electrical Component List
SIR System Description and Operation
Sensors, Pretensioners, Frontal and Side Air Bags
SIR Caution for Zoning
IGN Main 1, SDM, T/SIG, CRUISE and PCM PASS KEY/CLUSTER Fuses
Data Link Connector (DLC)
G302, Page 2 of 3
Seat Belts
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 2:

Sensors, Pretensioners, Frontal and Side Air Bags
Object Number: 763743 Size: FS
Master Electrical Component List
SIR System Description and Operation
Power, Ground, DLC, and SIR Lamp
SIR Caution for Zoning
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons