Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 117 (HVAC SYSTEM - AUTOMATIC)COMPONENT LOCATORHVAC CONNECTOR END VIEWS

2006 Pontiac G6 GTP, 2D Coupe, Standard

HVAC Connector End Views

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION HVAC Connector End Views

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

A/C Compressor Clutch

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12162017 Service: 12101937 2-Way F Metri-Pack 150 Series Sealed (GY)
Pin	Wire Color	Circuit No.	Function
A	D-GN	59	A/C Compressor Clutch Supply Voltage
B	BK	1050	Ground (L26)
B	BK	1450	Ground (LY7)

A/C Refrigerant Pressure Sensor (L26)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15344137 Service: 15306432 3-Way F GT 150 Flexlock Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	2751	Low Reference
2	GY	2700	5-Volt Reference
3	RD/BK	380	A/C Refrigerant Pressure Sensor Signal

A/C Refrigerant Pressure Sensor (LY7)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: Assembly 15477863 Connector 15478315 Connector Seal 15439078 Service: See Catalog 3-Way F GT 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	2759	Low Reference
2	GY	2709	5-Volt Reference
3	RD/BK	380	A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator - Left

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12059110 Service: 88953271 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	YE	1791	Left Air Temperature Door Control A
B	D-BU/WH	1199	Left Air Temperature Door Control B

Air Temperature Actuator - Right

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12059110 Service: 88953271 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	WH/BK	1236	Right Air Temperature Door Control A
B	D-BU	1646	Right Air Temperature Door Control B

Air Temperature Sensor - Inside

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 10738109 (Delphi) 49901221 (Cinch) Service: See Catalog 6-Way F Quadlok Micro (BK)
Pin	Wire Color	Circuit No.	Function
1	PK	739	Ignition 1 Voltage
2	-	-	Not Used
3	BK/WH	1551	Ground
4	D-GN	734	Inside Air Temperature Sensor Signal
5	-	-	Not Used
6	GY	720	Low Reference

Air Temperature Sensor - Lower Left

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12047662 Service: 12085535 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	TN/WH	518	Lower Left Air Temperature Sensor Signal
B	YE	61	Low Reference

Air Temperature Sensor - Lower Right

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12047662 Service: 12085535 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	TN/BK	520	Lower Right Air Temperature Sensor Signal
B	OG/BK	1057	Low Reference

Air Temperature Sensor - Upper Left

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12047662 Service: 12085535 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	516	Upper Left Air Temperature Sensor Signal
B	BN	718	Low Reference

Air Temperature Sensor - Upper Right

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12047662 Service: 12085535 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	TN	517	Upper Right Air Temperature Sensor Signal
B	PU	719	Low Reference

Blower Motor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12084957 Service: 12126461 2-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	PU	65	Blower Motor Supply Voltage
B	BK	2150	Ground

Blower Motor Control Processor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12041429 Service: 12167129 5-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	1450	Ground
B	GY/BK	754	Blower Motor Speed Control
C	RD	442	Battery Positive Voltage
D	BK	2150	Ground
E	PU	65	Blower Motor Supply Voltage

HVAC Control Module C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12110259 Service: 12110259 16-Way F Micro-Pack 100 Series (GN)
Pin	Wire Color	Circuit No.	Function
A1	OG	1040	Battery Positive Voltage
A2	PK	739	Ignition 1 Voltage
A3	WH	1038	HVAC Class 2 Serial Data
A4	-	-	Not Used
A5	GY	8	Instrument Panel Lamp Supply Voltage
A6	BK	1450	Ground
A7	D-GN	734	Inside Air Temperature Sensor Signal
A8	GY	720	Low Reference
B1	BK	516	Upper Left Air Temperature Sensor Signal
B2	-	-	Not Used
B3	TN	517	Upper Right Air Temperature Sensor Signal
B4	PU	719	Low Reference
B5	L-BU/BK	590	Driver Sunload Sensor Signal
B6	GY	1548	Passenger Sunload Sensor Signal
B7	BN	718	Low Reference
B8	BK/WH	1551	Ground

HVAC Control Module C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12084944 Service: 12084944 16-Way F Micro-Pack 100 Series (BK)
Pin	Wire Color	Circuit No.	Function
A1	TN/WH	518	Lower Left Air Temperature Sensor Signal
A2	YE	61	Low Reference
A3	TN/BK	520	Lower Right Air Temperature Sensor Signal
A4	OG/BK	1057	Low Reference
A5-A6	-	-	Not Used
A7	GY/BK	754	Blower Motor Speed Control
A8	-	-	Not Used
B1	L-GN/BK	1647	Recirculation Door Control A
B2	PK/WH	1648	Recirculation Door Control B
B3	YE	1791	Left Air Temperature Door Control A
B4	D-BU/WH	1199	Left Air Temperature Door Control B
B5	WH/BK	1236	Right Air Temperature Door Control A
B6	D-BU	1646	Right Air Temperature Door Control B
B7	TN	2273	Mode Door Control A
B8	L-GN	2275	Mode Door Position Signal

Mode Actuator

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12047781 Service: 12101864 3-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	TN	2273	Mode Door Control A
B	-	-	Not Used
C	L-GN	2275	Mode Door Position Signal

Recirculation Actuator

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12059110 Service: 88953271 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	L-GN/BK	1647	Recirculation Door Control A
B	PK/WH	1648	Recirculation Door Control B

Sunload Sensor Assembly

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12064760 Service: See Catalog 4-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	L-BU/BK	590	Driver Sunload Sensor Signal
B	GY	1548	Passenger Sunload Sensor Signal
C	BK/WH	1551	Ground
D	L-GN/BK	1137	DRL Ambient Light Sensor Signal

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.