WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to illustrations to identify SIR connector terminals. See Fig 1, Fig 2 & Fig 3
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Fig 1: Identifying SDM Connector Terminals
Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Driver-side And Passenger-side Air Bag Module Connectors
Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Front End Discriminating Sensor Connector Terminals