GM Service Manual Online
For 1990-2009 cars only
Connector 1: A/C Compressor Clutch (C60)
Connector 2: A/C High Pressure Switch (C60)
Connector 3: Air Temperature Actuator (C60)
Connector 4: Blower Motor
Connector 5: Blower Motor Resistor Assembly
Connector 6: Blower Motor Switch
Connector 7: Condenser Fan Motor (C60)
Connector 8: Evaporator Temperature Sensor (C60)
Connector 9: HVAC Control Assembly C1
Connector 10: HVAC Control Assembly C2
Connector 11: Mode Actuator
Connector 12: Recirculation Actuator

A/C Compressor Clutch (C60)


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Description: 2-Way F Metri-Pack 150 Series Sealed (RD)

A/C Compressor Clutch (C60)

Pin

Wire Color

Circuit No.

Function

A

BK

HX02

Ground

B

L-GN

HA26

A/C Compressor Clutch Supply Voltage

A/C High Pressure Switch (C60)


Object Number: 240167  Size: CH

Connector Part Information

  • OEM: 6189-0013
  • Description: 4-Way F Sumitomo Sealed (NA)

A/C High Pressure Switch (C60)

Pin

Wire Color

Circuit No.

Function

1

D-GN/RD

7

A/C Request Signal

2

D-GN/WH

8

Condenser Relay Control

3

L-BU

9

A/C Compressor Clutch Supply Voltage

4

D-GN/OG

6

A/C Compressor Clutch Supply Voltage

Air Temperature Actuator (C60)


Object Number: 240174  Size: CH

Connector Part Information

  • OEM: 7319-3050
  • Description: 5-Way F Yazaki (NA)

Air Temperature Actuator (C60)

Pin

Wire Color

Circuit No.

Function

1

PK/D-BU

HA37

Low Reference

2

PK

HA36

5-Volt Reference

3

L-GN

HA39

Air Temperature Door Control B

4

PK/BK

HA38

Air Temperature Door Position Signal

5

L-GN/WH

HA35

Air Temperature Door Control A

Blower Motor


Object Number: 236009  Size: CH

Connector Part Information

  • OEM: 7323-2821
  • Description: 2-Way F Yazaki (NA)

Blower Motor

Pin

Wire Color

Circuit No.

Function

A

D-BU/RD

HA12

Blower Motor Low Reference

B

L-GN

HA11

Blower Motor Supply Voltage

Blower Motor Resistor Assembly


Object Number: 1429655  Size: CH

Connector Part Information

  • OEM: 7323-2841
  • Description: 4-Way F Yazaki (NA)

Blower Motor Resistor Assembly

Pin

Wire Color

Circuit No.

Function

1

D-BU/RD

HA13

High Blower Motor Control

2

D-BU/BK

HA15

Medium 1 Blower Motor Control

3

D-BU/WH

HA16

Low Blower Motor Control

4

D-BU/YE

HA14

Medium 2 Blower Motor Control

Blower Motor Switch


Object Number: 240180  Size: CH

Connector Part Information

  • OEM: 7323-2861-90
  • Description: 6-Way F Yazaki (NA)

Blower Motor Switch

Pin

Wire Color

Circuit No.

Function

1

BK

HX07

Ground

2

D-BU/WH

HA16

Low Blower Motor Control

3

D-BU/BK

HA15

Medium 1 Blower Motor Control

4

D-BU/YE

HA14

Medium 2 Blower Motor Control

5

D-BU/RD

HA12

High Blower Motor Control

6

RD/D-BU

HA24

A/C Request Signal

Condenser Fan Motor (C60)


Object Number: 240166  Size: CH

Connector Part Information

  • OEM: 7323-6423-30
  • Description: 2-Way F Yazaki (BK)

Condenser Fan Motor (C60)

Pin

Wire Color

Circuit No.

Function

5

BK

HX01

Ground

6

D-BU/WH

HA02

A/C Condenser Fan Motor Supply Voltage

Evaporator Temperature Sensor (C60)


Object Number: 240168  Size: CH

Connector Part Information

  • OEM: 7323-8335-30
  • Description: 3-Way F Yazaki (WH)

Evaporator Temperature Sensor (C60)

Pin

Wire Color

Circuit No.

Function

A

D-GN/RD

18

A/C Compressor Clutch Relay Control

B

D-GN/YE

17

A/C Request Signal

C

L-GN

16

Battery Positive Voltage

HVAC Control Assembly C1


Object Number: 240175  Size: CH

Connector Part Information

  • OEM: 7323-7169
  • Description: 16-Way F Yazaki (WH)

HVAC Control Assembly C1

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BK

HX05

Ground

3

PK

HA36

5-Volt Reference

4

L-GN/WH

HA35

Air Temperature Door Control A

5

BN/D-BU

HA32

Mode Door Position Signal E

6

BN/BK

HA33

Mode Door Position Signal F

7

BN/ WH

HA29

Mode Door Position Signal B

8

BN

HA28

Mode Door Position Signal A

9

--

--

Not Used

10

PK/D-BU

HA37

Low Reference

11

PK/BK

HA38

Air Temperature Door Position Signal

12

L-GN

HA39

Air Temperature Door Control B

13

L-GN

HA27

Mode Door Control A

14

L-GN/BK

HA34

Mode Door Control B

15

--

--

Not Used

16

BN/YE

HA31

Mode Door Position Signal D

HVAC Control Assembly C2


Object Number: 240177  Size: CH

Connector Part Information

  • OEM: 7323-8828
  • Description: 12-Way F Yazaki (WH)

HVAC Control Assembly C2

Pin

Wire Color

Circuit No.

Function

1

BN/D-GN

HA30

Mode Door Position Signal C

2

PU/YE

HA40

Recirculation Door Control A

3

D-GN

HA22

A/C Request Signal

4

BK

HX04

Ground

5

L-GN

HA17

Blower Motor Relay Supply Voltage

6

PU/D-GN

HA41

Recirculation Door Control B

7

RD/D-BU

HA24

A/C Request Signal

8

BK/RD

HA23

Illumination Signal

9

PU/WH

HA42

Recirculation Door Position Signal

10

BK

HX06

Ground

11-12

--

--

Not Used

Mode Actuator


Object Number: 240182  Size: CH

Connector Part Information

  • OEM: 7319-3090
  • Description: 9-Way F Yazaki (NA)

Mode Actuator

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

HA34

Mode Door Control B

B

BN/D-GN

HA30

Mode Door Position Signal C

C

BN/BK

HA33

Mode Door Position Signal F

D

BN/D-BU

HA32

Mode Door Position Signal E

E

L-GN

HA27

Mode Door Control A

F

BN/WH

HA29

Mode Door Position Signal B

G

BN

HA28

Mode Door Position Signal A

H

BN/YE

HA31

Mode Door Position Signal D

J

BK

HX08

Ground

Recirculation Actuator


Object Number: 240183  Size: CH

Connector Part Information

  • OEM: 7319-3070
  • Description: 7-Way F Yazaki (NA)

Recirculation Actuator

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

PU/YE

HA40

Recirculation Door Control A

D

L-GN

HA43

Battery Positive Voltage

E

--

--

Not Used

F

PU/D-GN

HA41

Recirculation Door Control B

G

PU/WH

HA42

Recirculation Door Position Signal