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

A/C Compressor Clutch


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series Sealed (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BK

150

Ground

B

D-GN

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 (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2759

Low Reference

B

GY

2709

5-Volt Reference

C

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Blower Motor


Object Number: 1411238  Size: CH

Connector Part Information

    • 7123-6020
    • 2-Way F Yazaki 58M-Type (NA)

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

YE

268

Blower Motor Supply Voltage

Blower Motor Resistor Assembly


Object Number: 816184  Size: CH

Connector Part Information

    • 12129566
    • 4-Way F MP280 SLD (GY)

Pin

Wire Color

Circuit No.

Function

A

PU

65

Medium 1 Blower Motor Supply Voltage

B

L-BU

72

Medium 2 Blower Motor Supply Voltage

C

YE

268

Blower Motor Supply Voltage

D

PK

908

Low Blower Motor Supply Voltage

HVAC Control Module C1


Object Number: 73152  Size: CH

Connector Part Information

    • 12084945
    • 16-Way F MP100 (GY)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

BK

550

Ground

A4

--

--

Not Used

A5

PU

130

Ignition 3 Voltage

A6

WH

119

Mode Door Control

A7

BK/WH

907

Ground

A8

--

--

Not Used

B1

GY

8

Instrument Panel Lamp Supply Voltage

B2

L-BU

292

Rear Defog Switch Signal

B3

YE

60

Blower Motor Switch Supply Voltage

B4

OG

683

Rear Defog Indicator Supply Voltage

B5

L-GN

66

A/C Request Signal

B6

L-GN/BK

906

Recirculation Door, Recirculation Feed

B7

BN

641

Ignition 3 Voltage

B8

L-BU/WH

905

Recirculation Door, Fresh Air Feed

HVAC Control Module C2


Object Number: 1475437  Size: CH

Connector Part Information

    • 0192F206-00
    • 6-Way F Kantas (WH)

Pin

Wire Color

Circuit No.

Function

1

YE

60

Blower Motor Switch Supply Voltage

2

OG

52

High Blower Motor Supply Voltage

3

L-BU

72

Medium 2 Blower Motor Supply Voltage

4

PU

65

Medium 1 Blower Motor Supply Voltage

5

PK

908

Low Blower Motor Supply Voltage

6

BN

341

Ignition 3 Voltage

Mode Actuator


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BK/WH

907

Ground

8

WH

119

Mode Door Control

9

--

--

Not Used

10

PU

130

Ignition 3 Voltage

Recirculation Door Actuator


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5

L-BU/WH

905

Recirculation Door, Fresh Air Feed

6

OG/BK

906

Recirculation Door, Recirculation Feed

7-10

--

--

Not Used