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: Blower Motor
Table 5: Blower Motor Control Processor
Table 6: HVAC Control Module
Table 7: Mode Actuator
Table 8: Recirculation Actuator

A/C Compressor Clutch


Object Number: 684852  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-GN

59

A/C Compressor Clutch Supply Voltage

B

BK

1050

Ground

A/C Refrigerant Pressure Sensor


Object Number: 726824  Size: CH

Connector Part Information

    • 15344137
    • 3-Way F GT 150 Sealed 5.2 (BK)

Pin

Wire Color

Circuit Number

Function

1

BK

2751

Low Reference

2

GY

2700

5 Volt Reference

3

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator


Object Number: 704047  Size: CH

Connector Part Information

    • 12059110
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

WH/BK

1236

Air Temperature Door Control B

B

D-BU

1646

Air Temperature Door Control A

Blower Motor


Object Number: 62488  Size: CH

Connector Part Information

    • 12084957
    • 2-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

PU

65

Blower Motor Supply Voltage

B

BK

2150

Ground

Blower Motor Control Processor


Object Number: 62432  Size: CH

Connector Part Information

    • 12041429
    • 5-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

BK

150

Ground

B

GY/BK

754

Blower Motor Speed Control

C

RD

442

Battery Positive Voltage

D

BK

2150

Ground

E

PU

65

Blower Motor Supply Voltage

HVAC Control Module


Object Number: 130689  Size: CH

Connector Part Information

    • 12110244
    • 24-Way F Micro-Pack 100 Series (PK)

Pin

Wire Color

Circuit Number

Function

A1

--

--

Not Used

A2

OG

1040

Battery Positive Voltage

A3

--

--

Not Used

A4

PK

739

Ignition 1 Voltage

A5

BK/WH

1551

Ground

A6-A8

--

--

Not Used

A9

WH/BK

1236

Air Temperature Door Control B

A10

D-BU

1646

Air Temperature Door Control A

A11

L-GN/BK

1647

Recirculation Door Control B

A12

PK/WH

1648

Recirculation Door Control A

B1

--

--

Not Used

B2

WH

1038

HVAC Class 2 Serial Data

B3-B4

--

--

Not Used

B5

GY

8

Instrument Panel Lamp Supply Voltage

B6

BK

150

Ground

B7-B8

--

--

Not Used

B9

GY/BK

754

Blower Motor Speed Control

B10

TN

2273

Mode Door Control B

B11

L-GN

2275

Mode Door Control A

B12

--

--

Not Used

Mode Actuator


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

TN

2273

Mode Door Control B

B

--

--

Not Used

C

L-GN

2275

Mode Door Control A

Recirculation Actuator


Object Number: 704047  Size: CH

Connector Part Information

    • 12059110
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

L-GN/BK

1647

Recirculation Door Control B

B

PK/WH

1648

Recirculation Door Control A