WARNING: This page is about a different car, the 1999 Pontiac Firefly and 1999 Chevrolet Metro. 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 and Fig 2
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Fig 1: Identifying SDM Connector Terminals
Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Passenger-Side Air Bag Module Connector Terminals