HVAC Control Module Connector End Views

HVAC Control Module C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064980 9-Way F Micro-Pack 100 Series (BK)
Pin	Wire Color	Circuit No.	Function
7	D-GN	71	OFF Blower Motor Control (C60)
8	BN	141	Ignition 3 Voltage
9	L-GN	66	A/C Request Signal (C60)
10	L-GN/BK	1647	Recirculation Door Control B (C60)
11	PK/WH	1648	Recirculation Door Control A (C60)
12	-	-	Not Used
13	GY	8	Instrument Panel Lamps Dimmer Switch Signal
14	BK	2050	Ground
15	-	-	Not Used

HVAC Control Module C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064998 8-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	D-GN	71	OFF Blower Motor Control (C60)
B	BK	2050	Ground
C-D	-	-	Not Used
E	OG	52	Blower Motor High Control
F	L-BU	72	Medium 2 Blower Motor Control
G	TN	63	Blower Motor Medium 1 Control
H	YE	60	Blower Motor Low Control