GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Century 🢒 Body 🢒 Wiring Systems 🢒 HVAC Connector End Views
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Air Temperature Actuator-Left
Table 4: Air Temperature Actuator-Right
Table 5: Blower Motor
Table 6: Blower Motor Resistor Assembly
Table 7: HVAC Control Module, C1
Table 8: HVAC Control Module, C2

A/C Compressor Clutch


Object Number: 684852 Size: CH

Connector Part Information
    • 12162017
    • 2-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

B

DK GRN

59

A/C Compressor Clutch Supply Voltage

A/C Refrigerant Pressure Sensor


Object Number: 258299 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Low Reference

B

GRY

474

5-Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator-Left


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

1450

Ground

8

DK BLU

1199

Air Temperature Door Control

9

--

--

Not Used

10

BRN

41

Ignition 3 Voltage

Air Temperature Actuator-Right


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

1450

Ground

8

WHT/BLK

1236

Right Air Temperature Door Control

9

--

--

Not Used

10

BRN

41

Ignition 3 Voltage

Blower Motor


Object Number: 62488 Size: CH

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

Pin

Wire Color

Circuit Number

Function

A

PPL

--

Blower Motor Supply Voltage

B

BLK

--

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

150

Ground

F

ORN

52

High Blower Motor Control

G

ORN

40

Battery Positive Voltage

HVAC Control Module, 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

DK GRN

71

Off Blower Motor Control

B

BRN

141

Ignition 3 Voltage

C

ORN

52

High Blower Motor 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

HVAC Control Module, C2


Object Number: 73151 Size: CH

Connector Part Information
    • 12064799
    • 12-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

Off Blower Motor Control

B

DK GRN/WHT

762

A/C Request Signal

C

BRN

41

Ignition 3 Voltage

D

WHT

193

Rear Defog Relay Control

E

WHT/BLK

1236

Right Air Temperature Door Control

F

--

--

Not Used

G

DK BLU

1199

Air Temperature Door Control

H

--

--

Not Used

J

GRY

8

Instrument Panel Lamps Dimmer Switch Signal

K

BLK

1450

Ground

L

ORN

640

Battery Positive Voltage

M

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1