Inflatable Restraint Steering Wheel Module Coil C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15393421 4-Way F Micro-Pack 064 Series (YE)
Pin	Wire Color	Circuit No.	Function
1	BN	3020	Steering Wheel Module - Stage 1 - Low Control
2	TN	3021	Steering Wheel Module - Stage 1 - High Control
3	PK	3022	Steering Wheel Module - Stage 2 - Low Control
4	WH	3023	Steering Wheel Module - Stage 2 - High Control