HVAC Control Module Connector End Views - Auxiliary

HVAC Control Module - Auxiliary C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084945 16-Way F Micro Pack 100 Series (GRY)
Pin	Wire Color	Circuit Number	Function
A1	GRY	2821	5-Volt Reference
A2	DK BLU	5518	Auxiliary Inside Air Temperature Sensor Signal
A3	TAN	517	Upper Auxiliary Air Temperature Sensor Signal
A4	BRN	5517	Low Reference
A5	ORN	2930	Auxiliary Front Air Temperature Switch Signal
A6	WHT	454	Auxiliary Front Mode Switch Signal
A7- A8	-	-	Not Used
B1	DK BLU	5516	Inside Air Temperature Sensor Assembly Control
B2	PPL/WHT	760	Auxiliary Front Blower Motor Switch Signal
B3-B5	-	-	Not Used
B6	BLK	516	Low Reference
B7	YEL	2933	Ground
B8	-	-	Not Used

HVAC Control Module - Auxiliary C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12092632 16-Way F Micro Pack 100 Series (RED)
Pin	Wire Color	Circuit Number	Function
A1	DK BLU	1646	Auxiliary Air Temperature Door Position Signal
A2	YEL/BLK	1814	Auxiliary Mode Door Position Signal
A3	-	-	Not Used
A4	BLK	1450	Ground
A5	WHT/BLK	1236	Auxiliary Air Temperature Door Control
A6	WHT	454	Auxiliary Front Mode Switch Signal
A7	ORN	3140	Battery Positive Voltage
A8	GRY	2289	Rear HVAC/Audio Class 2 Serial Data
B1	GRY	598	5-Volt Reference
B2	GRY	2599	5-Volt Reference
B3	YEL	1791	Low Reference
B4	GRY/BLK	1798	Low Reference
B5	BLK	520	Lower Auxiliary Air Temperature Sensor Signal
B6	PPL	374	Auxiliary Blower Motor Speed Control
B7	BLK	518	Low Reference
B8	-	-	Not Used