GM Service Manual Online
For 1990-2009 cars only
Connector 1: A/C Compressor Clutch
Connector 2: A/C Refrigerant Pressure Sensor
Connector 3: Air Temperature Actuator
Connector 4: Blower Motor
Connector 5: Blower Motor Control Processor
Connector 6: HVAC Control Module
Connector 7: Mode Actuator
Connector 8: Recirculation Actuator

A/C Compressor Clutch


Object Number: 1334534  Size: CH

Connector Part Information

  • OEM: 12162017
  • Service: 12101937
  • Description: 2-Way F Metri-Pack 150 Series Sealed (MD-GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

A/C Compressor Clutch

Pin

Wire Color

Circuit No.

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

  • OEM: 15344137
  • Service: 15306432
  • Description: 3-Way F GT 150 Series Flexlock Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

A/C Refrigerant Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

BK

2751

Low Reference

2

GY

2700

5-Volt Reference 1

3

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator


Object Number: 704047  Size: CH

Connector Part Information

  • OEM: 12059110
  • Service: 88953271
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Air Temperature Actuator

Pin

Wire Color

Circuit No.

Function

A

D-BU

1646

Air Temperature Door Control B

B

D-BU

1646

Air Temperature Door Control A

Blower Motor


Object Number: 62488  Size: CH

Connector Part Information

  • OEM: 12084957
  • Service: 12126461
  • Description: 2-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Blower Motor

Pin

Wire Color

Circuit No.

Function

A

PU

65

Blower Motor Supply Voltage

B

BK

2150

Ground

Blower Motor Control Processor


Object Number: 62432  Size: CH

Connector Part Information

  • OEM: 12041429
  • Service: 12167129
  • Description: 5-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Blower Motor Control Processor

Pin

Wire Color

Circuit No.

Function

A

BK

1450

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: 130690  Size: CH

Connector Part Information

  • OEM: 12110206
  • Service: 12110206
  • Description: 24-Way F Micro-Pack 100 Series (L-BU)

Terminal Part Information

  • Pins: A2, A3, A5, A9-A12, B2, B5, B6, B9- B11
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

HVAC Control Module

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

OG

1040

Battery Positive Voltage

A3

PK

739

Ignition 1 Voltage

A4

--

--

Not Used

A5

BK/WH

1551

Ground

A6-A8

--

--

Not Used

A9

D-BU

1646

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

1450

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

  • OEM: 12047781
  • Service: 12101864
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Pins: A, C
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Mode Actuator

Pin

Wire Color

Circuit No.

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

  • OEM: 12059110
  • Service: 88953271
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Recirculation Actuator

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1647

Recirculation Door Control B

B

PK/WH

1648

Recirculation Door Control A