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 Air Temperature Sensor
Table 6: Blower Control Module
Table 7: Driver Air Mix Actuator
Table 8: Inside Air Temperature Sensor
Table 9: LH A/C Temperature Sensor
Table 10: LH Inside Air Temperature Sensor
Table 11: LH Sun Load Sensor
Table 12: Mode Actuator
Table 13: Passenger Air Mix Actuator
Table 14: RH A/C Temperature Sensor
Table 15: RH Inside Air Temperature Sensor
Table 16: RH Sun Load Sensor
Table 17: Rear Blower Motor
Table 18: Rear Blower Resistor Module
Table 19: Rear Blower Switch
Table 20: Rear Mode Actuator

A/C Clutch


Object Number: 35437  Size: CH

Connector Part Information

    • 12186685
    • 2 Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

Air Conditioning Compressor Clutch Solenoid Feed

B

BLK

1550

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

Sensor Return

B

GRY

731

A/C Refrigerant Low Temperature Sensor Signal

A/C Pressure Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12078090
    • 3 Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Sensor Return-A/C Pressure Sensor

B

GRY

2700

5 Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Air Inlet 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 Positive Voltage

6

DK GRN

1614

Air Inlet Valve Motor Feed

7

YEL

1791

Air Temperature Valve Motor Return

8

--

--

Not Used

9

PPL

1838

Air Inlet Valve Position Sensor Signal

10

GRY

705

5 Volt Reference

Ambient Air Temperature Sensor


Object Number: 130680  Size: CH

Connector Part Information

    • 12162195
    • 2 Way Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

735

Ambient Air Temperature Sensor Signal

B

YEL

61

Ambient Air Temperature Sensor Return

Blower Control Module


Object Number: 73229  Size: CH

Connector Part Information

    • 12129565
    • 4 Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground (LH Drive)

A

BLK

350

Ground (RH Drive)

B

ORN

1340

Ignition Positive Voltage

C

GRY/BLK

754

Blower Speed Signal-Speed Control

D

--

--

Not Used

Driver Air Mix 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 Positive Voltage (B+)

6

DK BLU

1199

Air Temperature Valve Motor Feed

7

YEL

1791

Air Temperature Valve Motor Return

8

--

--

Not Used

9

LT BLU

733

Air Temperature Valve Position Sensor Signal

10

GRY

705

Reference Voltage Feed - 5 Volt Reference

Inside Air Temperature Sensor


Object Number: 130637  Size: CH

Connector Part Information

    • 12064760
    • 4 Way 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

450

Ground

D

YEL

61

Inside Air Temperature Sensor Return

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

LH A/C Temperature Sensor Return

LH Inside Air 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 Inside Air Temperature Sensor Signal

B

YEL/BLK

61

LH Inside Air Temperature Sensor Return

LH Sun Load Sensor


Object Number: 258301  Size: CH

Connector Part Information

    • 12124666
    • 2 Way (GRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

590

LH Sun Load Sensor Signal

B

YEL

61

LH Sun Load Sensor Return

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 Positive Voltage

6

YEL

1318

Mode Valve Motor Feed-Lower

7

YEL

1791

Air Temperature Valve Motor Return

8

--

--

Not Used

9

YEL/BLK

1814

Mode Valve Position Sensor Signal - Lower

10

GRY

705

5 Volt Reference

Passenger Air Mix 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 Positive Voltage (B+)

6

WHT/BLK

1236

Air Temperature Valve Motor Feed - Passenger

7

YEL

1791

Air Temperature Valve Motor Return

8

--

--

Not Used

9

DK BLU

1646

Air Temperature Valve Position Sensor Signal - Passenger

10

GRY

705

Reference Voltage Feed - 5 Volt Reference

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

RH A/C Temperature Sensor Return

RH Inside Air 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/WHT

520

RH Inside Air Temperature Sensor SIgnal

B

YEL/BLK

61

RH Inside Air Temperature Sensor Return

RH Sun Load Sensor


Object Number: 258301  Size: CH

Connector Part Information

    • 12124666
    • 2 Way (GRN)

Pin

Wire Color

Circuit No.

Function

A

GRY

1548

RH Sun Load Sensor Signal

B

YEL

61

RH Sun Load Sensor Return

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

YEL

1172

Auxiliary Blower Motor Feed

B

ORN

1052

Auxiliary Blower Motor Output

Rear Blower Resistor Module


Object Number: 68759  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 2

B

PPL

73

Blower Switch Output-Medium 3

C

ORN

1052

Auxiliary Blower Output

D

WHT

63

Blower Switch Output-Medium 1

Rear Blower Switch


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10 Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground

B

BRN

141

Ignition Positive Voltage

C

--

--

Not Used

D

YEL

1491

Dash Integration Module Output- Backlighting Lamps (LH Drive)

D

YEL/BLK

1491

Dash Integration Module Output- Backlighting Lamps (RH Drive)

E

BLK

350

Ground

F

TAN

63

Blower Switch Output-Medium 1

G

LT BLU

72

Blower Switch Output-Medium 2

H

PPL

73

Blower Switch Output-Medium 3

J

ORN

1052

Auxiliary Blower Motor Circuit

K

PNK

1593

Diverter Motor Feed

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

BLK

350

Ground

8

PNK

1593

Diverter Motor Feed

9

--

--

Not Used

10

BRN

141

Ignition Positive Voltage