GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 2005 🢒 Unit Repair 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 HVAC Connector End Views
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Air Temperature Actuator
Table 4: Ambient Air Temperature Sensor
Table 5: Blower Motor
Table 6: Blower Motor Resistor Assembly
Table 7: HVAC Control Module C1
Table 8: HVAC Control Module C2
Table 9: Mode Actuator
Table 10: Recirculation Actuator

A/C Compressor Clutch


Object Number: 684852 Size: CH

Connector Part Information
    • 12162017
    • 2-Way F Metri-Pack 150 Series Sealed (M-GY)

Pin

Wire Color

Circuit No.

Function

A

BK

450

Ground

B

D-GN

59

A/C Compressor Clutch Supply Voltage

A/C Refrigerant Pressure Sensor


Object Number: 726824 Size: CH

Connector Part Information
    • 15477863
    • 3-Way F Global Terminal 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

TN

5514

Low Reference

2

GY

2700

5-Volt Reference

3

OG/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5

D-BU

1199

Air Temperature Door Control A

6

YE

1791

Air Temperature Door Control B

7

--

--

Not Used

8

GY

597

5-Volt Reference

9

L-BU

733

Air Temperature Door Position Signal

10

TN

808

Low Reference

Ambient Air Temperature Sensor


Object Number: 808706 Size: CH

Connector Part Information
    • 12158214
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

636

Ambient Air Temperature Sensor Signal

B

YE

61

Low Reference

Blower Motor


Object Number: 808706 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

650

Ground

B

PU

65

Blower Motor Supply Voltage

Blower Motor Resistor Assembly


Object Number: 816184 Size: CH

Connector Part Information
    • 12129566
    • 4-Way F Metri-Pack 280 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

63

Blower Motor Medium 1 Control

B

L-BU

72

Medium 2 Blower Motor Control

C

D-BU

101

Blower Motor Supply Voltage

D

YE

60

Blower Motor Low Control

HVAC Control Module C1


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

A1

RD/WH

440

Battery Positive Voltage

A2

BN

141

Ignition 3 Voltage

A3

--

--

Not Used

A4

D-GN/WH

762

A/C Request Signal

A5

L-BU

292

Rear Defog Switch Signal

A6

L-GN/BK

1647

Recirculation Door Control B

A7

D-BU

1199

Air Temperature Door Control A

A8

YE

1791

Air Temperature Door Control B

A9

GY

597

5-Volt Reference

A10

L-BU

733

Air Temperature Door Position Signal

A11

TN

808

Low Reference

A12

BK/WH

651

Ground

B1

GY

8

Instrument Panel Lamp Supply Voltage

B2

BN

9

Park Lamp Supply Voltage

B3-B4

--

--

Not Used

B5

TN

683

Rear Defog Indicator Supply Voltage

B6

PK/WH

1648

Recirculation Door Control A

B7

TN

2273

Mode Door Control A

B8

WH

119

Mode Door Control B

B9

GY

596

5-Volt Reference

B10

OG

708

Mode Door Position Signal

B11

TN

552

Low Reference

B12

--

--

Not Used

HVAC Control Module C2


Object Number: 556473 Size: CH

Connector Part Information
    • 15326924
    • 8-Way F Global Terminal 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

52

Blower Motor High Control

B

L-BU

72

Medium 2 Blower Motor Control

C

TN

63

Blower Motor Medium 1 Control

D

YE

60

Blower Motor Low Control

E-F

--

--

Not Used

G

BN

41

Ignition 3 Voltage

H

--

--

Not Used

Mode Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5

TN

2273

Mode Door Control A

6

WH

119

Mode Door Control B

7

--

--

Not Used

8

GY

596

5-Volt Reference

9

OG

708

Mode Door Position Signal

10

TN

552

Low Reference

Recirculation Actuator


Object Number: 704047 Size: CH

Connector Part Information
    • 12059110
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1647

Recirculation Door Control B

B

PK/WH

1648

Recirculation Door Control A