SIR LH Side Impact Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		90980-12225 YEL
Pin	Wire Color	Function
1	PNK/BLU	VUPL
2	LT GRN/BLK	SSL High
3	BLU/WHT	SSL Low
4	GRY/BLU	ESL