Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15354773 34-Way F Micro-Pack 100 Series Sealed (YEL)
Pin	Wire Color	Circuit No.	Function
A1	YEL	1139	Ignition 1 Voltage
A2	-	-	Not Used
A3	YEL	3025	I/P Module - Stage 1 - High Control
A4	PPL	1807	Class 2 Serial Data
A5	PPL	1807	Class 2 Serial Data
A6	TAN	3021	Steering Wheel Module - Stage 1 - High Control
A7	BRN	3020	Steering Wheel Module - Stage 1 - High Control
A8	DK GRN/ WHT	3024	I/P Module - Stage 1 - Low Control
A9-A10	-	-	Not Used
A11	YEL	1834	Front End Sensor - Voltage
A12	GRY	2260	Front End Sensor - Low Ref
A13-A14	-	-	Not Used
A15	BLK/WHT	238	Seat Belt Switch Signal - LF
A16	DK BLU	1363	Seat Belt Switch - Left - Low Ref
A17	-	-	Not Used
A18	BLK/WHT	1751	Ground
B1	WHT	3023	Steering Wheel Module - Stage 2 - High Control
B2	PNK	3022	Steering Wheel Module - Stage 2 - Low Control
B3	PPL	3026	I/P Module - Stage 2 - Low Control
B4	GRY	3027	I/P Module - Stage 2 - Low Control
B5	YEL	2161	Side Impact Sensor - Left - Voltage
B6	WHT	2162	Side Impact Sensor - Left - Signal
B7	DK GRN	2164	Side Impact Sensor - Right - Signal
B8	TAN	2163	Side Impact Sensor - Right - Voltage
C1	BRN	2105	Side Impact Module - Left - High Control
C2	BRN	2106	Side Impact Module - Left - Low Control
C3	DK BLU	2104	Side Impact Module - Right - Low Control
C4	GRY	2103	Side Impact Module - Right - High Control
C5 - C8	-	-	Not Used