GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Air Temperature Actuator
Table 4: Air Temperature Sensor - Lower
Table 5: Air Temperature Sensor - Upper
Table 6: Ambient Air Temperature Sensor
Table 7: Blower Motor
Table 8: Blower Motor Control Module
Table 9: HVAC Control Module
Table 10: Mode Actuator
Table 11: Recirculation Actuator
Table 12: Sunload Sensor

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: 704047  Size: CH

Connector Part Information

    • 12059100
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

1199

Air Temperature Door Control A

B

YE

1791

Air Temperature Door Control B

Air Temperature Sensor - Lower


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

405

Lower Air Temperature Sensor Signal

B

TN

476

Low Reference

Air Temperature Sensor - Upper


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

404

Upper Air Temperature Sensor Signal

B

TN

470

Low Reference

Ambient Air Temperature Sensor


Object Number: 635009  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

Ground

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

WH

374

Blower Motor Speed Control

B

PU

65

Supply Voltage

Blower Motor Control Module


Object Number: 62432  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BK

650

Ground

B

GY/BK

754

Blower Speed Request Signal

C

RD/BK

442

Battery Positive Voltage

D

WH

374

Blower Motor Speed Control

E

PU

65

Supply Voltage

HVAC Control Module


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

--

--

Not Used

A3

BN

141

Ignition 3 Voltage

A4

--

--

Not Used

A5

D-GN

5060

Low Speed GMLAN Serial Data

A6

D-GN

5060

Low Speed GMLAN Serial Data

A7

GY/BK

754

Blower Speed Request Signal

A8

BN

404

Upper Air Temperature Sensor Signal

A9

L-GN

405

Lower Air Temperature Sensor Signal

A10

L-GN/BK

1647

Recirculation Door Control A

A11

TN

2273

Mode Door Control A

A12

D-BU

1199

Air Temperature Door Control A

B1-B2

--

--

Not Used

B3

GY

8

Instrument Panel Lamp Supply Voltage

B4

--

--

Not Used

B5

BK/WH

651

Ground

B6-B7

--

--

Not Used

B8

TN

470

Low Reference

B9

TN

476

Low Reference

B10

PK/WH

1648

Recirculation Door Control B

B11

L-GN

2275

Mode Door control B

B12

YE

1791

Air Temperature Door Control B

Mode Actuator


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 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 Control B

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

Sunload Sensor


Object Number: 130637  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