GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Clutch
Table 2: A/C Low Side Temperature Sensor
Table 3: A/C Pressure Sensor
Table 4: Air Inlet Actuator
Table 5: Ambient Light Sensor
Table 6: Ambient Outside Air Temperature Sensor
Table 7: Blower Control Module
Table 8: Blower Motor
Table 9: Driver Air Mix Actuator
Table 10: Inside Air Temperature Sensor
Table 11: LH A/C Temperature Sensor
Table 12: LH Heater Temperature Sensor
Table 13: Mode Actuator
Table 14: Passenger/Rear Air Mix Actuator
Table 15: Rear Blower Motor
Table 16: Rear Blower Resistor
Table 17: Rear Heater and A/C Control
Table 18: Rear Mode Actuator
Table 19: Rear Temperature Sensor
Table 20: RH A/C Temperature Sensor
Table 21: RH Heater Temperature Sensor

A/C Clutch


Object Number: 35437  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 Clutch Feed

B

BLK

1150

Ground

A/C Low Side Temperature Sensor


Object Number: 130692  Size: CH

Connector Part Information

    • 12092512
    • 2-Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

A/C Refrigerant Low Temperature Sensor Signal

B

GRY

731

Sensor Return

A/C Pressure Sensor


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

Sensor Ground

B

GRY

2700

5 Volt Reference Feed

C

RED/BLK

380

A/C Pressure Sensor Signal

Air Inlet Actuator


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Micro- Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

PPL

1838

Air Inlet Actuator Signal

2

DK GRN

1614

Air Inlet Actuator Drive

3-6

--

--

Not Used

Ambient Light Sensor


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

LH Sun Load Sensor Signal

B

GRY

1548

RH Sun Load Sensor Signal

C

YEL

61

Sensor Ground

D

WHT

278

Ambient Light Sensor Signal

Ambient Outside Air Temperature Sensor


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 Outside Air Temperature Sensor Signal

B

YEL

61

Sensor Ground

Blower Control Module


Object Number: 73229  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

RED

1642

Battery Positive Voltage

C

GRY/BLK

754

PWM Blower Speed Control

D

--

--

Not Used

Blower Motor


Object Number: 333029  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL

--

Blower Speed Control Output

B

BLK

--

Blower Speed Control Ground

C

BARE

--

Blower Motor Flange Ground

Driver Air Mix Actuator


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Micro- Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

YEL

1791

Driver Air Mix Actuator Signal

2

DK BLU

1199

Driver Air Mix Actuator Drive

3-6

--

--

Not Used

Inside Air Temperature Sensor


Object Number: 39661  Size: CH

Connector Part Information

    • 12047786
    • 4-Way M Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

734

Inside Air Temperature Sensor Signal

B

BRN

141

Ignition Positive Voltage

C

BLK

9999

Inside Air Temperature Sensor Control

D

YEL

61

Sensor Ground

LH A/C Temperature Sensor


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

LH A/C Temperature Sensor Signal

B

YEL

61

Sensor Ground

LH Heater Temperature Sensor


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

LH Heater Temperature Sensor Signal

B

YEL

61

Sensor Ground

Mode Actuator


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Micro- Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

YEL/BLK

1814

Mode Actuator Signal

2

YEL

1318

Mode Actuator Drive

3-6

--

--

Not Used

Passenger/Rear Air Mix Actuator


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Micro- Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

ORN

2775

Rear Air Mix Actuator Drive

2

TAN

2776

Rear Air Mix Actuator Signal

3-4

--

--

Not Used

5

GRY/BLK

2778

Passenger Air Mix Actuator Signal

6

WHT/BLK

1236

Passenger Air Mix Actuator Drive

Rear Blower Motor


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2 Way Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

ORN

1140

Battery Positive Voltage

B

ORN

1052

Rear Blower Motor Control

Rear Blower Resistor


Object Number: 73229  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT BLU

72

Blower Switch Output - Medium

B

PPL

73

Blower Switch Output - Medium/High

C

ORN

1052

Blower Switch Output - High

D

TAN

63

Blower Switch Output - Low

Rear Heater and A/C Control


Object Number: 73152  Size: CH

Connector Part Information

    • 12084944
    • 16-Way F Micro - Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BLK

450

Ground (DTS)

A1

BLK

350

Ground (DeVille/DHS)

A2

PPL

1807

Serial Data Class 2

A3

GRY

2502

Rear Mode Actuator Control

A4

--

--

Not Used

A5

BLK

450

Ground (DTS)

A5

BLK

350

Ground (DeVille/DHS)

A6

YEL

1491

Panel Dimming Control

A7

LT BLU

72

Blower Switch Output - Medium

A8

TAN

63

Blower Switch Output - Low

B1

RED

2503

Rear Mode Actuator Return

B2 - B3

--

--

Not Used

B4

PNK

1593

Ignition Positive Voltage - Rear Mode Actuator

B5

BRN

41

Ignition Positive Voltage

B6

ORN

2840

Battery Positive Voltage

B7

ORN

1052

Blower Switch Output - High

B8

PPL

73

Blower Switch Output - Medium/High

Rear Mode Actuator


Object Number: 280764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

RED

2503

Rear Mode Actuator Return

8

GRY

2502

Rear Mode Actuator Control

9

--

--

Not Used

10

PNK

1593

Ignition Positive Voltage

Rear Temperature Sensor


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN

404

Rear Temperature Sensor Input

B

YEL

61

Sensor Return

RH A/C Temperature Sensor


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

RH A/C Temperature Sensor Signal

B

YEL

61

Sensor Ground

RH Heater Temperature Sensor


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

RH Heater Temperature Sensor Signal

B

YEL

61

Sensor Ground