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: Ambient Air Temperature Sensor
Connector 5: Blower Motor Control Processor - C1
Connector 6: Blower Motor Control Processor - C2
Connector 7: Evaporator Temperature Sensor
Connector 8: HVAC Blower Motor
Connector 9: HVAC Control Module - C1
Connector 10: HVAC Control Module - C2
Connector 11: Mode Actuator
Connector 12: Recirculation Actuator

A/C Compressor Clutch


Object Number: 1413014  Size: CH

Connector Part Information

  • OEM: 7283-5448
  • Service: 89046838
  • Description: 2-Way F Sealed (BK)

Terminal Part Information

  • Pins: 1, 2
  • Terminal/Tray: 7116-4103-08/9
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

A/C Compressor Clutch

Pin

Wire Color

Circuit No.

Function

1

D-GN

59

A/C Compressor Clutch Supply Voltage

2

BK

450

Ground

A/C Refrigerant Pressure Sensor


Object Number: 258299  Size: CH

Connector Part Information

  • OEM: 12110192
  • Service: 88988301
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12103881/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)

A/C Refrigerant Pressure Sensor

Pin

Wire Color

Circuit No.

Function

A

TN

5514

Low Reference

B

GY

2700

5-Volt Reference

C

OG/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator


Object Number: 258172  Size: CH

Connector Part Information

  • OEM: 12064982
  • Service: 12102633
  • Description: 5-Way F Micro-Pack 100 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

1

YE

1791

Low Reference

2

L-BU

733

Air Temperature Door Position Signal

3

GY

598

5-Volt Reference

4

L-BU

1316

Air Temperature Door Control

5

D-BU

1199

Air Temperature Door Control

Ambient Air Temperature Sensor


Object Number: 684793  Size: CH

Connector Part Information

  • OEM: 12052642
  • Service: 12101856
  • Description: 2-Way F Metri-Pack 150 Series Sealed (L-GN)

Terminal Part Information

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

Ambient Air Temperature Sensor

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

735

Ambient Air Temperature Sensor Signal

B

YE

61

Low Reference

Blower Motor Control Processor - C1


Object Number: 1837857  Size: CH

Connector Part Information

  • OEM: 7283-6458-40
  • Service: 88988507
  • Description: 2-Way Receptacle 6.3 Series (L-GY)

Terminal Part Information

  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: A/B
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Blower Motor Control Processor - C1

Pin

Wire Color

Circuit No.

Function

1

PU

65

Blower Motor Supply Voltage

2

BK

2150

Ground

Blower Motor Control Processor - C2


Object Number: 1798802  Size: CH

Connector Part Information

  • OEM: 7283-9749-30
  • Service: 88988512
  • Description: 6-Way YESC Kaizen Series (BK)

Terminal Part Information

  • Pins: 3
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: 5, 6
  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: A/B
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Blower Motor Control Processor - C2

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

GY/BK

754

Blower Motor Speed Control

4

--

--

Not Used

5

BK

1450

Ground

6

RD/BK

442

Battery Positive Voltage

Evaporator Temperature Sensor


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Service: 12085535
  • 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

Evaporator Temperature Sensor

Pin

Wire Color

Circuit No.

Function

A

WH

2622

Frost Sensor Control

B

TN

552

Low Reference

HVAC Blower Motor


Object Number: 1837857  Size: CH

Connector Part Information

  • OEM: 15226103
  • Service: 88988507
  • Description: 2-Way F (L-GN)

Terminal Part Information

  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: A/B
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

HVAC Blower Motor

Pin

Wire Color

Circuit No.

Function

1

BK

2150

Ground

2

PU

65

Blower Motor Supply Voltage

HVAC Control Module - C1


Object Number: 1715229  Size: CH

Connector Part Information

  • OEM: 7283-9080-90
  • Service: 21997402
  • Description: 16-Way F 064 (BU)

Terminal Part Information

  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

HVAC Control Module - C1

Pin

Wire Color

Circuit No.

Function

1

PU/WH

1382

LED Dimming Signal/LED Dimming Supply

2

PK

1139

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

RD/WH

1840

Battery Positive Voltage

5

D-GN

5060

Low Speed GMLAN Serial Data

6-7

--

--

Not Used

8

WH

193

Rear Defog Relay Control

9

L-GN/BK

735

Ambient Air Temperature Sensor Signal

10

BK

1450

Ground

11

--

--

Not Used

12

YE

61

Low Reference

13-16

--

--

Not Used

HVAC Control Module - C2


Object Number: 1715228  Size: CH

Connector Part Information

  • OEM: 31410-1201
  • Service: 15126710
  • Description: 20-Way F Receptacle 0.64 (GY)

Terminal Part Information

  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

HVAC Control Module - C2

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

L-GN

2275

Mode Door Position Signal

3

PU

1838

Recirculation Door Position Signal

4

GY/BK

754

Blower Motor Speed Control

5

TN

2273

Mode Door Control

6

--

--

Not Used

7

D-GN

1614

Recirculation Door Control

8

D-BU

1199

Air Temperature Door Control

9

--

--

Not Used

10

GY

598

5-Volt Reference

11-12

--

--

Not Used

13

L-BU

733

Air Temperature Door Position Signal

14

WH

2622

5-Volt Reference

15

WH

119

Mode Door Control

16

--

--

Not Used

17

TN/BK

2274

Recirculation Door Control Circuit

18

L-BU

1316

Air Temperature Door Control

19

TN

552

Low Reference

20

YE

1791

Low Reference

Mode Actuator


Object Number: 258172  Size: CH

Connector Part Information

  • OEM: 12064982
  • Service: 12102633
  • Description: 5-Way F Micro-Pack 100 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

Mode Actuator

Pin

Wire Color

Circuit No.

Function

1

YE

1791

Low Reference

2

L-GN

2275

Mode Door Position Signal

3

GY

598

5-Volt Reference

4

WH

119

Mode Door Control

5

TN

2273

Mode Door Control

Recirculation Actuator


Object Number: 258172  Size: CH

Connector Part Information

  • OEM: 12064982
  • Service: 12102633
  • Description: 5-Way F Micro-Pack 100 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

1

YE

1791

Low Reference

2

PU

1838

Recirculation Door Position Signal

3

GY

598

5-Volt Reference

4

TN/BK

2274

Recirculation Door Control Circuit

5

D-GN

1614

Recirculation Door Control