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 -- Left
Table 4: Air Temperature Actuator -- Right
Table 5: Air Temperature Sensor -- Inside
Table 6: Air Temperature Sensor -- Outside
Table 7: Air Temperature Sensor -- Lower Left
Table 8: Air Temperature Sensor -- Lower Right
Table 9: Air Temperature Sensor -- Upper Left
Table 10: Air Temperature Sensor -- Upper Right
Table 11: Blower Motor
Table 12: Blower Motor Control Processor
Table 13: HVAC Control Module
Table 14: Mode Actuator
Table 15: Recirculation Actuator
Table 16: Sunload Sensor Assembly

A/C Compressor Clutch


Object Number: 62440  Size: CH

Connector Part Information

    • 12162017
    • 2 Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Compressor Clutch Supply Voltage

B

BLK

1150

Ground

A/C Refrigerant Pressure Sensor


Object Number: 219804  Size: CH

Connector Part Information

    • 12110192
    • 3 Way F Metri Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

GRY

474

5 Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator -- Left


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

141

Ignition 3 Voltage

6

DK BLU

1199

Air Temperature Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

LT BLU

733

Air Temperature Door Position Signal

10

GRY

705

5 Volt Reference

Air Temperature Actuator -- Right


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6 Way F Micro-Pack Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

141

Ignition 3 Voltage

6

WHT/BLK

1236

Air Temp Door Control - Right

7

YEL

1791

Low Reference

8

--

--

Not Used

9

DK BLU

1646

Air Temp Door Position Signal - Right

10

GRY

705

5 Volt Reference

Air Temperature Sensor -- Inside


Object Number: 35455  Size: CH

Connector Part Information

    • 15304747
    • 2-Way M Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

734

Inside Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Outside


Object Number: 232831  Size: CH

Connector Part Information

    • 12162195
    • 2 Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

735

Outside Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Lower Left


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

518

Lower Left Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Lower Right


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

520

Lower Right Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Upper Left


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

516

Upper Left Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Upper Right


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

517

A/C Air Temperature Sensor Signal - Upper Right

B

YEL

61

Low Reference

Blower Motor


Object Number: 608947  Size: CH

Connector Part Information

    • 12092311
    • 3 Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Speed Control (Ground)

B

PPL

1340

Battery Positive Voltage

C

BRN

754

Blower Motor Flange Ground (Speed Control)

Blower Motor Control Processor


Object Number: 73229  Size: CH

Connector Part Information

    • 12129566
    • 4 Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

ORN

1340

Battery Positive Voltage

C

GRY

754

Blower Motor Speed Control

D

--

--

Not Used

HVAC Control Module


Object Number: 493170  Size: CH

Connector Part Information

    • 15317984
    • 12 Way M (NAT)

Pin

Wire Color

Circuit No.

Function

A1

FW

351

Ground

A2

FW

41

Ignition 3 Voltage

A3-A4

--

--

Not Used

A5

FW

450

Ground

A6

--

--

Not Used

B1

FW

1491

Backlight Lamps Control

B2-B4

--

--

Not Used

B5

FW

1881

HVAC Control Module Clock Signal

B6

FW

1880

HVAC Control Module Data Signal

A Pins= Top

B Pins= Bottom

Mode Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

141

Ignition 3 Voltage

6

YEL

1318

Mode Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

YEL/BLK

1814

Lower Mode Door Position Sensor Signal

10

GRY

705

5 Volt Reference

Recirculation Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

141

Ignition 3 Voltage

6

DK GRN

1614

Recirculation Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

PPL

1838

Recirculation Door Position Signal

10

GRY

705

5 Volt Reference

Sunload Sensor Assembly


Object Number: 130637  Size: CH

Connector Part Information

    • 12064760
    • 4-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

590

Driver Solar Sensor Signal

B

GRY

1548

Passenger Solar Sensor Signal

C

YEL

61

Low Reference

D

WHT

278

Ambient Light Sensor Signal