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: Evaporator Temperature Sensor
Connector 5: HVAC Blower Motor
Connector 6: HVAC Blower Motor Resistor
Connector 7: HVAC Control Module C1
Connector 8: HVAC Control Module C2
Connector 9: Mode Actuator
Connector 10: Recirculation Actuator

A/C Compressor Clutch


Object Number: 1413014  Size: CH

Connector Part Information

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

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 Sensor


Object Number: 258299  Size: CH

Connector Part Information

  • OEM: 12110192
  • Service: 12102748
  • Description: 3-Way F Metri-Pack 150 Series (BK)

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: See Catalog
  • Description: 5-Way F Micro-Pack 100 Series (BK)

Air Temperature Actuator

Pin

Wire Color

Circuit No.

Function

1

TN

407

Low Reference

2

YE/BK

1814

Lower Mode Door Position Signal

3

GY

705

5-Volt Reference

4

L-GN/BK

3366

Lower Mode Valve Solenoid Control B

5

L-GN/WH

366

Lower Mode Valve Solenoid Control A

Evaporator Temperature Sensor


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Evaporator Temperature Sensor

Pin

Wire Color

Circuit No.

Function

A

GY

731

Evaporator Temperature Sensor Signal

B

PU

719

Low Reference

HVAC Blower Motor


Object Number: 1658766  Size: CH

Connector Part Information

  • OEM: 7283-5590-40
  • Service: See Catalog
  • Description: 2-Way F (BK)

HVAC Blower Motor

Pin

Wire Color

Circuit No.

Function

1

RD/WH

1140

Battery Positive Voltage

2

PU

73

Blower Motor High Control

HVAC Blower Motor Resistor


Object Number: 62451  Size: CH

Connector Part Information

  • OEM: 12059296
  • Service: 15306069
  • Description: 5-Way F Metri-Pack 280 Series Sealed (RD)

HVAC Blower Motor Resistor

Pin

Wire Color

Circuit No.

Function

A

PU

73

Blower Motor High Control

B

L-BU

72

Blower Motor Medium 2 Control

C

TN

63

Blower Motor Medium 1 Control

D

YE

60

Blower Motor Low Control

E

PU

73

Blower Motor High Control

HVAC Control Module C1


Object Number: 1658765  Size: CH

Connector Part Information

  • OEM: 7123-6060
  • Service: See Catalog
  • Description: 6-Way F 58 M-Type Series (NA)

HVAC Control Module C1

Pin

Wire Color

Circuit No.

Function

1

PU

73

Blower Motor High Control

2

L-BU

72

Blower Motor Medium 2 Control

3

TN

63

Blower Motor Medium 1 Control

4

YE

60

Blower Motor Low Control

5

YE

268

Blower Motor Relay Common

6

--

--

Not Used

HVAC Control Module C2


Object Number: 1468761  Size: CH

Connector Part Information

  • OEM: 1326362-1
  • Service: See Catalog
  • Description: 26-Way F 0.64 mm Lever Assisted Series (BK)

HVAC Control Module C2

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

WH

193

Rear Defogger Relay Control

4

--

--

Not Used

5

GY

705

5-Volt Reference

6

YE/BK

1814

Air Termperature Door Position Sensor Signal

7

TN

407

Low Reference

8

YE/BK

713

Defrost Mode Valve Position Sensor Signal

9

GY

8

Instrument Panel Lamp Supply Voltage

10-11

--

--

Not Used

12

PK

1501

Driver Heated Seat High/Low Signal

13

PK/BK

1503

Front Passenger Heated Seat High/Low Signal

14

BN

41

Ignition 3 Voltage

15

--

--

Not Used

16

RD/WH

2140

Battery Positive Voltage

17-19

--

--

Not Used

20

BK/WH

151

Ground

21

L-GN

66

A/C Request Signal

22

L-BU

292

Rear Defogger Switch Signal

23

L-GN/BK

366

Lower Mode Valve Solenoid Control A

24

L-GN/WH

3366

Lower Mode Valve Solenoid Control B

25

PU

361

Defrost Mode Valve Solenoid Control A

26

PU/WH

3361

Defrost Mode Valve Solenoid Control B

Mode Actuator


Object Number: 258172  Size: CH

Connector Part Information

  • OEM: 12064982
  • Service: See Catalog
  • Description: 5-Way F Micro-Pack 100 Series (BK)

Mode Actuator

Pin

Wire Color

Circuit No.

Function

1

TN

407

Low Reference

2

YE/BK

713

Heater Mode Valve Position Sensor Signal

3

GY

705

5-Volt Reference

4

PU

361

Mode Valve Solenoid Control A

5

PU/WH

3361

Mode Valve Solenoid Control B

Recirculation Actuator


Object Number: 258172  Size: CH

Connector Part Information

  • OEM: 12064982
  • Service: See Catalog
  • Description: 5-Way F Micro-Pack 100 Series (BK)

Recirculation Actuator

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

L-GN/BK

3366

Lower Mode Valve Solenoid Control B

5

PU

361

Mode Valve Solenoid Control A