GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: A/C High Pressure Switch
Table 3: A/C Low Pressure Switch-ALL
Table 4: A/C High Pressure Recirculation Switch
Table 5: Air Temperature Actuator
Table 6: Blower Motor
Table 7: Blower Motor Resistor Assembly
Table 8: HVAC Blower Motor Control Switch - C1, Part of HVAC Control Assembly
Table 9: HVAC Blower Motor Control Switch - C2, Part of HVAC Control Assembly
Table 10: Mode Actuator
Table 11: 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

BLK

550

Ground

B

DK GRN

59

A/C Compressor Clutch Supply Voltage

A/C High Pressure Switch


Object Number: 366093  Size: CH

Connector Part Information

    • 15317968
    • 2-Way F Micro-Pack 100 W Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

203

A/C Request Signal

B

DK GRN/WHT

762

A/C Request Signal

A/C Low Pressure Switch-ALL


Object Number: 35437  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

603

A/C Low Pressure Switch Signal

B

BLK

550

Ground

A/C High Pressure Recirculation Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12124037
    • 2-Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

604

A/C High Pressure Recirculation Switch Signal

B

BLK

150

Ground

Air Temperature Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

341

Ignition 3 Voltage

6

DK BLU

1199

Air Temperature Door Control

7

BLK

2450

Ground

8

--

--

Not Used

9

LT BLU

733

Air Temperature Door Position Signal

10

GRY

598

5 Volt Reference

Blower Motor


Object Number: 62488  Size: CH

Connector Part Information

    • 12084957
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

65

Blower Motor Supply Voltage

B

BLK

1050

Ground

Blower Motor Resistor Assembly


Object Number: 73146  Size: CH

Connector Part Information

    • 12052854
    • 7-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

63

Medium 1 Blower Motor Control

B

YEL

60

Low Blower Motor Control

C

PPL

73

Medium 3 Blower Motor Control

D

LT BLU

72

Medium 2 Blower Motor Control

E

BLK

1050

Ground

F

ORN

52

High Blower Control

G

ORN

540

Battery Positive Voltage

HVAC Blower Motor Control Switch - C1, Part of HVAC Control Assembly


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12-Way F Micro-Pack 100 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

Off Blower Motor Control

B

WHT

119

Mode Actuator Control

C

BLK

2450

Ground

D

DK GRN

1614

Recirculation Actuator Control

E

GRY

8

Instrument Panel Lamp Supply Voltage - 1

F

DK BLU

1199

Air Temperature Actuator Control

G

LT BLU

733

Air Temperature Actuator Position Signal

H

GRY

598

5 Volt Reference

J

WHT

193

Rear Defog Relay Control

K

BRN

341

Ignition 3 Voltage

L

LT BLU

203

A/C Request Signal

M

RED

708

Mode Actuator Position Signal

HVAC Blower Motor Control Switch - C2, Part of HVAC Control Assembly


Object Number: 62469  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

Off Blower Motor Control

B

BRN

141

Ignition 3 Voltage

C

ORN

52

High Blower Control

D

--

--

Not Used

E

PPL

73

Medium 3 Blower Motor Control

F

LT BLU

72

Medium 2 Blower Motor Control

G

TAN

63

Medium 1 Blower Motor Control

H

YEL

60

Low Blower Motor Control

Mode Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

341

Ignition 3 Voltage

6

WHT

119

Mode Door Control

7

BLK

2450

Ground

8

--

--

Not Used

9

RED

708

Mode Door Position Signal

10

GRY

598

5 Volt Reference

Recirculation Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

341

Ignition 3 Voltage

6

DK GRN

1614

Recirculation Door Control

7

BLK

2450

Ground

8-10

--

--

Not Used