GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: Blower Motor
Table 3: Blower Motor Resistor
Table 4: HVAC Control Assembly C1
Table 5: HVAC Control Assembly C2
Table 6: HVAC Control Assembly C3
Table 7: A/C Refrigerant Pressure Sensor
Table 8: Recirculation Actuator

A/C Compressor Clutch


Object Number: 280759  Size: CH

Connector Part Information

    • 12162017
    • 2-Way F Metri-Pack 150 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Compressor Clutch Supply Voltage

B

BLK

150

Ground

Blower Motor


Object Number: 808706  Size: CH

Connector Part Information

    • 12064749
    • 2-Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

52

Blower Motor High Control

B

PPL

65

Blower Motor Supply Voltage

Blower Motor Resistor


Object Number: 816184  Size: CH

Connector Part Information

    • 12129566
    • 4-Way F Metri-Pack 480 Series Sealed (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

63

Blower Motor Medium 1 Control

B

LT BLU

72

Blower Motor Medium 2 Control

C

ORN

52

Blower Motor High Control

D

BLK/WHT

51

Low Motor Control

HVAC Control Assembly C1


Object Number: 62469  Size: CH

Connector Part Information

    • 12064998
    • 8-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1340

Battery Positive Voltage

B

BRN

41

Ignition 3 Voltage

BRN

41

Ignition 3 Voltage

C

WHT

454

Auxiliary Mode Door Control 

D

PPL

293

Rear Defog Element Supply Voltage

E

GRY

8

Instrument Panel Lamp Supply Voltage

F

DK GRN

71

OFF Blower Motor Control

DK GRN

71

OFF Blower Motor Control

G

LT GRN

66

A/C Request Signal

H

BLK

150

Ground

BLK

150

Ground

HVAC Control Assembly C2


Object Number: 284533  Size: CH

Connector Part Information

    • 12162066
    • 8-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

OFF Blower Motor Control

B

BLK

150

Ground

C

BLK

150

Ground

D

ORN

52

Blower Motor High Control

E

ORN

52

High Blower Motor Control

F

LT BLU

72

Medium 2 Blower Motor Control

G

TAN

63

Medium 1 Blower Motor Control

H

BLK/WHT

51

Low Motor Control

HVAC Control Assembly C3


Object Number: 73231  Size: CH

Connector Part Information

    • 12064860
    • 6-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

OFF Blower Motor Control

B

PPL

1838

Recirculation Door Position Signal

C

BRN

41

Ignition 3 Voltage

D

BLK

150

Ground

E

DK GRN

1614

Recirculation Door Control

F

WHT

454

Mode Door Control Auxiliary

A/C Refrigerant Pressure Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12110192
    • 3-Way F Metri-Pack 150 Series (BLK) Pull-to-Seat Sealed

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Low Reference

B

GRY

2700

5 Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Recirculation Actuator


Object Number: 704047  Size: CH

Connector Part Information

    • 12059110
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1614

Recirculation Door Control

B

PPL

1838

Recirculation Door Position Signal