HVAC Control Module Connector End Views

HVAC Control Module C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 7123-6060 Service: See Catalog 6-Way F 58 M-Type Series (NA)
Pin	Wire Color	Circuit No.	Function
1	PU	73	Medium 3 Blower Motor Control
2	L-BU	72	Blower Motor Medium 1 Control
3	TN	63	Blower Motor Medium 1 Control
4	YE	60	Blower Motor Low Control
5	YE	268	Blower Motor Relay Common
6	-	-	Not Used

HVAC Control Module C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1326362-1 Service: See Catalog 26-Way F 0.64 mm Lever Assisted Series (BK)
Pin	Wire Color	Circuit No.	Function
1-2	-	-	Not Used
3	WH	193	Rear Defogger Relay Control
4	-	-	Not Used
5	GY	705	5-Volt Reference
6	YE/BK	1814	Lower Mode Door Position Sensor Signal
7	TN	407	Low Reference
8	YE/BK	713	Defrost Mode Valve Position Sensor Signal
9	GY	8	Instrument Panel Lamp Supply Voltage
10-11	-	-	Not Used
12	PK	1501	Driver Heated Seat High/Low Signal
13	PK/BK	1503	Front Passenger Heated Seat High/Low Signal
14	BN	41	Ignition 3 Voltage
15	-	-	Not Used
16	RD/WH	2140	Batttery Positive Voltage
17-19	-	-	Not Used
20	BK/WH	151	Ground
21	L-GN	66	A/C Request Signal
22	L-BU	292	Rear Defogger Switch Signal
23	L-GN/WH	366	Lower Mode Valve Solenoid Control A
24	L-GN/BK	3366	Lower Mode Valve Solenoid Control B
25	PU	361	Defrost Mode Valve Solenoid Control A
26	PU/WH	3361	Defrost Mode Valve Solenoid Control B