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 - Right
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: 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 - Right


Object Number: 280764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

YEL

1791

Low Reference

8

DK BLU

1199

Left Air Temperature Door Control

9

LT GRN

733

Left Air Temperature Door Position Signal

10

BRN

141

Ignition 3 Voltage

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/BLK

754

Blower Motor Speed Control

D

--

--

Not Used

HVAC Control Module


Object Number: 726395  Size: CH

Connector Part Information

    • 15356942
    • 32-Way M DNL RW (BLK)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1807

Class 2 Serial Data

A2

PPL

1807

Class 2 Serial Data

A3

--

--

Not Used

A4

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

A5

WHT

278

Ambient Light Sensor Signal

A6-A7

--

--

Not Used

A8

BRN

141

Ignition 3 Voltage

A9

ORN

192

Front Fog Lamp Switch Signal

A10

--

--

Not Used

A11

PNK/BLK

1597

Courtesy Lamps Switch On Signal

A12

DK BLU

1199

Left Air Temperature Door Control

A13

--

--

Not Used

A14

ORN

1140

Battery Positive Voltage

A15

--

--

Not Used

A16

LT BLU/WHT

1595

Key Cylinder Lamp Control

B1

GRY/BLK

754

Blower Motor Speed Control

B2

YEL

1491

Backlight Lamps Control

B3

BLK

450

Ground

B4

PPL

1783

Twilight Sentinal Delay Signal

B5

LT BLU/BLK

1688

5 Volt Reference

B6

YEL

61

Low Reference

B7-B8

--

--

Not Used

B9

LT BLU

1788

Traction Control Switch Signal (w/NW9)

B10

BLK

1576

Trunk Release Switch Signal (w/UA6)

B11

LT GRN

80

Key in Ignition Switch Signal

B12

--

--

Not Used

B13

YEL

1318

Mode Door Control

B14

BLK/WHT

351

Ground

B15

YEL

1791

Low Reference

B16

DK GRN

1614

Recirculation Door Control

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

5-6

--

--

Not Used

7

YEL

1791

Low Reference

8

YEL

1318

Mode Door Control

9

--

--

Not Used

10

BRN

141

Ignition 3 Voltage

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

5-6

--

--

Not Used

7

YEL

1791

Low Reference

8

DK GRN

1614

Recirulation Door Control

9

--

--

Not Used

10

BRN

141

Ignition 3 Voltage