GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch - 3.8L
Table 2: A/C Compressor Clutch - 4.6L
Table 3: A/C Refrigerant Low Temperature Sensor - 4.6L
Table 4: A/C Refrigerant Pressure Sensor - 3.8L
Table 5: A/C Refrigerant Pressure Sensor - 4.6L
Table 6: Air Temperature Actuator - Left
Table 7: Air Temperature Actuator - Right
Table 8: Air Temperature Sensor - Ambient
Table 9: Air Temperature Sensor - Inside
Table 10: Air Temperature Sensor - Lower Left
Table 11: Air Temperature Sensor - Lower Right
Table 12: Air Temperature Sensor - Upper Left
Table 13: Air Temperature Sensor - Upper Right
Table 14: Blower Motor
Table 15: Blower Motor Control Processor
Table 16: HVAC Control Module
Table 17: Mode Actuator
Table 18: Recirculation Actuator
Table 19: Sunload Sensor Assembly

A/C Compressor Clutch - 3.8L


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 Compressor Clutch - 4.6L


Object Number: 62440  Size: CH

Connector Part Information

    • 12186685
    • 2-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Compressor Clutch Supply Voltage

B

BLK/WHT

451

Ground

A/C Refrigerant Low Temperature Sensor - 4.6L


Object Number: 130692  Size: CH

Connector Part Information

    • 12092512
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

2261

Low Reference

B

GRY

731

A/C Refrigerant Low Temperature Sensor Signal

A/C Refrigerant Pressure Sensor - 3.8L


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

A/C Refrigerant Pressure Sensor - 4.6L


Object Number: 258299  Size: CH

Connector Part Information

    • 12065286
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Low Reference

B

GRY

2700

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

Left Air Temperature Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

LT BLU

733

Left 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

Right Air Temp Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

DK BLU

1646

Right Air Temp Door Position Signal

10

GRY

705

5-Volt Reference

Air Temperature Sensor - Ambient


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

Ambient Air Temperature Sensor Signal

B

YEL

61

Low 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 - 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

Upper Right Air Temperature Sensor Signal

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

--

Blower Motor Control

B

PPL

--

Blower Motor Supply Voltage

C

BRN

--

Blower Motor Flange Ground

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: 702629  Size: CH

Connector Part Information

    • 15356937
    • 12-Way M DLR (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BLK/WHT

351

Ground

A2

BRN

41

Ignition 3 Voltage

A3-A4

--

--

Not Used

A5

BLK

450

Ground

A6

--

--

Not Used

B1

YEL

1491

Backlight Lamps Control

B2-B4

--

--

Not Used

B5

PPL

1881

HVAC Control Module Clock Signal

B6

LT BLU

1880

HVAC Control Module Data Signal

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

Mode Door Position 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 Sunload Sensor Signal

B

GRY

1548

Passenger Sunload Sensor Signal

C

YEL

61

Low Reference

D

WHT

278

Ambient Light Sensor Signal