HVAC Control Assembly Connector End Views

HVAC Control Assembly - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12129489 3-Way F Metri-Pack 280 Series- Flexlock (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	119	Blower Motor Switch Supply Voltage
B	BK	550	Ground
C	BN/WH	230	Instrument Panel Lamps Dimming Control

HVAC Control Assembly - 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	YE	60	Blower Motor Low Control
B	TN	63	Blower Motor Medium 1 Control
C	L-BU	72	Medium 2 Blower Motor Control
D	OG	52	Blower Motor High Control
E	BN	141	Ignition 3 Voltage
F	L-BU	733	Air Temperature Door Control
G	WH	119	Blower Motor Switch Supply Voltage
H	L-GN	66	A/C Request Signal

HVAC Control Assembly - C3 (C49/DE5/DE7)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052856 4-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	RD/WH	4440	Battery Positive Voltage
B	BN	341	Ignition 3 Voltage
C	BK	550	Ground
D	WH	193	Rear Defog Relay Supply Voltage