GM Service Manual Online
For 1990-2009 cars only
Connector 1: A/C Compressor Clutch
Connector 2: A/C Refrigerant Pressure SensorPressure Sensor
Connector 3: Air Temperature Sensor - Lower
Connector 4: Air Temperature Sensor - Upper
Connector 5: Ambient Air Temperature Sensor
Connector 6: Blower Motor Control Processor - Front C1
Connector 7: Blower Motor Control Processor - Front C2
Connector 8: Blower Motor Control Processor - Rear C1 (C69)
Connector 9: Blower Motor Control Processor - Rear C2 (C69)
Connector 10: Evaporator Temperature Sensor
Connector 11: HVAC Blower Motor
Connector 12: HVAC Blower Motor - Rear (C69)
Connector 13: HVAC Control Module C1
Connector 14: HVAC Control Module C2
Connector 15: HVAC Control Module C3
Connector 16: HVAC Control Module C4 (C69)
Connector 17: HVAC Control - Rear (C69)
Connector 18: Inside Air Temperature Sensor
Connector 19: Mode Actuator
Connector 20: Mode Actuator - Rear (C69)
Connector 21: Recirculation Actuator
Connector 22: Temperature Actuator
Connector 23: Temperature Actuator - Rear (C69)

A/C Compressor Clutch


Object Number: 1413014  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: 7116-4102-08/9
  • 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

150

Ground

A/C Refrigerant Pressure SensorPressure 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 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 Sensor - Lower


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 15380927
  • Service: See Catalog
  • Description: 2-Way F Timer Micro II 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 Sensor - Upper

Pin

Wire Color

Circuit No.

Function

1

TN

520

Lower Right Air Temperature Sensor Signal

2

YE

61

Low Reference

Air Temperature Sensor - Upper


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 15380927
  • Service: See Catalog
  • Description: 2-Way F Timer Micro II 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 Sensor - Upper

Pin

Wire Color

Circuit No.

Function

1

TN

516

Upper Left Air Temperature Sensor Signal

2

YE

61

Low Reference

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 - Front C1


Object Number: 1817814  Size: CH

Connector Part Information

  • OEM: 15226103
  • Service: 88988507
  • Description: 2-Way F (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 - Front C1

Pin

Wire Color

Circuit No.

Function

1

PU

65

Blower Motor Supply Voltage

2

BK

2150

Ground

Blower Motor Control Processor - Front C2


Object Number: 1798802  Size: CH

Connector Part Information

  • OEM: 7283-9749-30
  • Service: See Catalog
  • Description: 6-Way F 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 - Front 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

Blower Motor Control Processor - Rear C1 (C69)


Object Number: 1837857  Size: CH

Connector Part Information

  • OEM: 10846816
  • Service: 88988507
  • Description: 2-Way F 6.3 Series (L-GY)

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 - Rear C1 (C69)

Pin

Wire Color

Circuit No.

Function

1

PU

65

Blower Motor Supply Voltage

2

OG

5988

Rear Blower Motor Low Reference

Blower Motor Control Processor - Rear C2 (C69)


Object Number: 1837860  Size: CH

Connector Part Information

  • OEM: 13520671
  • Service: See Catalog
  • Description: 6-Way F GT 150 6.3 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 - Rear C2 (C69)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

D-GN

2211

Auxiliary Blower Motor Speed Control

4

--

--

Not Used

5

BK

550

Ground

6

RD/WH

2640

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

2262

A/C Orifice Solenoid Supply Voltage

B

TN

552

Low Reference

HVAC Blower Motor


Object Number: 1817814  Size: CH

Connector Part Information

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

HVAC Blower Motor

Pin

Wire Color

Circuit No.

Function

1

BK

2150

Ground

2

PU

65

Blower Motor Supply Voltage

HVAC Blower Motor - Rear (C69)


Object Number: 1837857  Size: CH

Connector Part Information

  • OEM: 10846816
  • Service: 88988507
  • Description: 2-Way F 6.3 Series (L-GY)

Terminal Part Information

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

HVAC Blower Motor - Rear (C69)

Pin

Wire Color

Circuit No.

Function

1

OG

5988

Rear Blower Motor Low Reference

2

PU

65

Blower Motor Supply Voltage

HVAC Control Module C1


Object Number: 1715226  Size: CH

Connector Part Information

  • OEM: 15126709
  • Service: See Catalog
  • Description: 20-Way F Receptacle 0.64 Unsealed (BN)

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

--

--

Not Used

2

D-GN

734

Inside Air Temperature Sensor Signal

3

L-BU/BK

590

Driver Sunload Sensor Signal

4

GY

1548

Passenger Sunload Sensor Signal

5-7

--

--

Not Used

8

PK

2145

Air Temperature Switch Signal - Right (C69)

9

OG

2615

Auxiliary Mode Door Control (C69)

10

YE

2214

Auxiliary Air Temperature Door Control (C69)

11-14

--

--

Not Used

15

TN

516

Upper Left Air Temperature Sensor Signal

16

--

--

Not Used

17

GY

5954

Inside Air Temperature Sensor Motor Control

18

GY

2599

Auxiliary Mode Door Control (C69)

19

PU/WH

760

Auxiliary Blower Motor Speed Control (C69)

20

--

--

Not Used

HVAC Control Module C2


Object Number: 1715229  Size: CH

Connector Part Information

  • OEM: 7283-9080-90
  • Service: See Catalog
  • Description: 16-Way F 064 Series Unsealed (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 C2

Pin

Wire Color

Circuit No.

Function

1

PU/WH

1382

LED Dimming Signal

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 C3


Object Number: 1715228  Size: CH

Connector Part Information

  • OEM: 15126710
  • Service: See Catalog
  • Description: 20-Way F Receptacle 0.64 Unsealed (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 C3

Pin

Wire Color

Circuit No.

Function

1

TN

520

Lower Right Air Temperature Sensor Signal

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

Air Temperature Door Control Low Reference

HVAC Control Module C4 (C69)


Object Number: 1715225  Size: CH

Connector Part Information

  • OEM: 7283-9079-60
  • Service: See Catalog
  • Description: 16-Way F 064 Series Unsealed (GN)

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 C4 (C69)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

GY

597

5-Volt Reference

GY

596

5-Volt Reference

3

L-GN/WH

5729

Rear Mode Motor Supply Voltage

4

BN

6555

Rear Temperature Motor Supply Voltage

5

GY/BK

1798

Low Reference

GY

720

Low Reference

6-9

--

--

Not Used

10

GY/BK

754

Blower Motor Speed Control

11

OG

2215

Auxiliary Mode Door Control

12

GY

2614

Auxiliary Air Temperature Door Control

13-16

--

--

Not Used

HVAC Control - Rear (C69)


Object Number: 1711011  Size: CH

Connector Part Information

  • OEM: 89047355
  • Service: See Catalog
  • Description: 10-Way F 0.64 Unsealed (BK)

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 - Rear (C69)

Pin

Wire Color

Circuit No.

Function

1

GY

8

Instrument Panel Lamp Supply Voltage

2

BK/WH

1551

Ground

3

GY

597

5-Volt Reference

4

GY

720

Low Reference

5-6

--

--

Not Used

7

PU/WH

760

Auxiliary Blower Motor Speed Control

8

YE

2214

Auxiliary Air Temperature Door Control

9

--

--

Not Used

10

OG

2615

Auxiliary Mode Door Control

Inside Air Temperature Sensor


Object Number: 39661  Size: CH

Connector Part Information

  • OEM: 12047786
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series, Unsealed (BK)

Terminal Part Information

  • Terminal/Tray: 12047581/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Inside Air Temperature Sensor

Pin

Wire Color

Circuit No.

Function

A

D-GN

734

Inside Air Temperature Sensor Signal

B

GY

5954

Inside Air Temperature Sensor Motor Control

C

BK/WH

1551

Ground

D

YE

61

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

Mode Actuator - Rear (C69)


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 - Rear (C69)

Pin

Wire Color

Circuit No.

Function

1

GY/BK

1798

Ground

2

GY

2599

Auxiliary Mode Door Control

3

GY

596

5-Volt Reference

4

L-GN/WH

5729

Rear Mode Motor Supply Voltage

5

OG

2215

Auxiliary 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

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

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

Temperature Actuator - Rear (C69)


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

Temperature Actuator - Rear (C69)

Pin

Wire Color

Circuit No.

Function

1

GY/BK

1798

Ground

2

PK

2145

Air Temperature Switch Signal - Right

3

GY

596

5-Volt Reference

4

BN

6555

Rear Temperature Motor Supply Voltage

5

GY

2614

Auxiliary Air Temperature Door Control