HVAC Control Assembly Connector End Views

HVAC Control Assembly - Front Auxiliary - w/A/C Only

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110259 16-Way F Micro-Pack 100 Series (GN)
Pin	Wire Color	Circuit No.	Function
A1	BN/WH	230	Instrument Panel Lamps Dimming Control
A2-A3	-	-	Not Used
A4	OG	1923	Rear Auxiliary Enable Control
A5	WH	1924	Auxiliary Blower Motor High Control
A6	RD	1925	Auxiliary Blower Motor Medium Control
A7	D BU	1926	Auxiliary Blower Motor Low Control
A8	BK	1450	Ground
B1-B8	-	-	Not Used

HVAC Control Assembly - Rear Auxiliary - w/A/C Only

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12092632 16-Way F Micro-Pack 100 Series (RD)
Pin	Wire Color	Circuit No.	Function
A1	BN/WH	230	Instrument Panel Lamps Dimming Control
A2-A4	-	-	Not Used
A5	WH	1924	Auxiliary Blower Motor High Control
A6	RD	1925	Auxiliary Blower Motor Medium Control
A7	D BU	1926	Auxiliary Blower Motor Low Control
A8	BK	1450	Ground
B1	BN/WH	230	Instrument Panel Lamps Dimming Control
B2-B3	-	-	Not Used
B4	OG	1923	Rear Auxiliary Enable Control
B5	WH	1924	Auxiliary Blower Motor High Control
B6	RD	1925	Auxiliary Blower Motor Medium Control
B7	D BU	1926	Auxiliary Blower Motor Low Control
B8	BK	1450	Ground

HVAC Control Assembly - Front Auxiliary - w/Heat and A/C

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084945 16-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1	BN/WH	230	Instrument Panel Lamps Dimming Control
A2	-	-	Not Used
A3	L BU	733	Auxiliary Front Mode 1 Signal
A4	OG	1923	Rear Auxiliary Enable Control
A5	WH	1924	Auxiliary Blower Motor High Control
A6	RD	1925	Auxiliary Blower Motor Medium Control
A7	D BU	1926	Auxiliary Blower Motor Low Control
A8	BK	1450	Ground
B1	-	-	Not Used
B2	BN	541	Ignition 3 Voltage
B3	RD/BK	2822	Auxiliary Front Mode 1 Signal
B4-B8	-	-	Not Used

HVAC Control Assembly - Rear Auxiliary - w/Heat and A/C

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12092629 16-Way F Micro-Pack 100 Series (BU)
Pin	Wire Color	Circuit No.	Function
A1	BN/WH	230	Instrument Panel Lamps Dimming Control
A2	BN	541	Ignition 3 Voltage
A3	BN	2383	Auxiliary Rear Mode 2 Signal
A4	-	-	Not Used
A5	WH	1924	Auxiliary Blower Motor High Control
A6	RD	1925	Auxiliary Blower Motor Medium Control
A7	D BU	1926	Auxiliary Blower Motor Low Control
A8	BK	1450	Ground
B1	BN/WH	230	Instrument Panel Lamps Dimming Control
B2	BN	541	Ignition 3 Voltage
B3	D BU	1646	Auxiliary Rear Air Temperature 2 Signal
B4	GY	778	Auxiliary Blower Motor Speed Control
B5	WH	1924	Auxiliary Blower Motor High Control
B6	RD	1925	Auxiliary Blower Motor Medium Control
B7	D BU	1926	Auxiliary Blower Motor Low Control
B8	BK	1450	Ground