HVAC Control Assembly Connector End Views

HVAC Control Assembly C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191271 10-Way Printed Circuit Connectors Bow Series, Pull-to-Seat (GRY)
Pin	Wire Color	Circuit No.	Function
1	GRY	1220	I/P Lamp Fuse Supply Voltage - 2
2-4	-	-	Not Used
5	BLK	1050	Ground
6-10	-	-	Not Used

HVAC Control Assembly C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162512 3-Way F Metri-Pack 480 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	203	A/C Request Signal
B	BRN	64	Low Blower Motor Control
C	BRN	141	Ignition 3 Voltage

HVAC Control Assembly C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12034146 3-Way F Metri-Pack 280 Series Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	BRN	341	Ignition 3 Voltage (Except Base Pickup)
B	LT BLU	733	Air Temperature Door Control
C	BLK	1050	Ground

HVAC Control Assembly C4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12020813 5-Way F Metri-Pack 630 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	ORN	52	High Blower Motor Control
B	LT BLU	72	Medium 2 Blower Motor Control
C	TAN	63	Medium 1 Blower Motor Control
D	-	-	Not Used
E	BRN	64	Low Blower Motor Control

HVAC Control Assembly C5

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12059162 4-Way F Micro-Pack 100 Series (BLU)
Pin	Wire Color	Circuit No.	Function
1	GRY	1220	I/PLamp Fuse Supply Voltage - 2
2	BRN	341	Ignition 3 Voltage
3	WHT	193	Rear Defogger Relay Control
4	BLK	1050	Ground