GM Service Manual Online
For 1990-2009 cars only

A/C Compressor Clutch


Object Number: 884159  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

BK

150

Ground

B

D-GN

59

A/C Compressor Clutch Supply Voltage

A/C Refrigerant Pressure Sensor


Object Number: 887936  Size: CH

Connector Part Information

    • 12110192
    • 3 Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

BK

552

Low Reference (2.2L)

BK

2759

Low Reference(3.0L)

B

GY

596

5 Volt Reference (2.2L)

GY

2709

5 Volt Reference (3.0L)

C

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Blower Motor

Insert Graphic SMCNF7123-8020

Connector Part Information

    • 71238020
    • 2 Way F (NA)

Pin

Wire Color

Circuit Number

Function

A

WHT

761

Blower Motor Speed Control

B

YEL

268

Ignition 3 Voltage

Blower Motor Resistor Assembly

Insert Graphic SMCNF6101-5041

Connector Part Information

    • 61015041
    • 4 Way F (BK)

Pin

Wire Color

Circuit Number

Function

A

PU

65

Blower Motor Medium 1 Speed Signal

B

L-BU

72

Blower Motor Medium 2 Speed Signal

C

YE

268

Blower Motor Supply Voltage

D

PK

908

Blower Motor Low Speed Signal

HVAC Control Module C1

Insert Graphic

Connector Part Information

    • C1
    • 16 Way F (GY)

Pin

Wire Color

Circuit Number

Function

A1

--

--

Not Used

A2

BN

641

Ignition 3 Voltage

A3

BK

550

Ground

A4

WH

119

Mode Actuator Control

A5

PU

130

Mode Actuator Supply Voltage

A6

L-BU/WH

905

Low Reference

A7

L-GN/BK

906

Recirculation Door Control

A8

BU/WH

907

Ground

B1-B4

--

--

Not Used

B5

L-GN

66

A/C Request Signal

B6-B8

--

--

Not Used

HVAC Control Module C2

Insert Graphic

Connector Part Information

    • C2
    • 6 Way F (WH)

Pin

Wire Color

Circuit Number

Function

1

YE

60

A/C On/Off Input

2

OG

52

Blower Motor High Speed Signal

3

L-BU

72

Blower Motor Medium 2 Speed Signal

4

PU

65

Blower Motor Medium 1 Speed Signal

5

PK

908

Blower Motor Low Speed Signal

6

YE

268

Ignition 3 Voltage

Mode Actuator


Object Number: 887473  Size: CH

Connector Part Information

    • 12040953
    • 6 Way F (BK)

Pin

Wire Color

Circuit Number

Function

5-6

--

--

Not Used

7

BU/WH

907

Ground

8

WH

119

Mode Door Control

9

--

--

Not Used

10

PU

130

Mode Actuator Supply Voltage

Recirculation Actuator


Object Number: 887473  Size: CH

Connector Part Information

    • 12040953
    • 6 Way F (BK)

Pin

Wire Color

Circuit Number

Function

5

L-BU/WH

905

Low Reference

6

L-GN/BK

906

Recirculation Door Control

7-10

--

--

Not Used