GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2004 🢒 L300/LW300 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Connector End Views
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Ambient Air Temperature Sensor
Table 4: Ambient Light Sensor
Table 5: Blower Motor
Table 6: HVAC Control Module
Table 7: Mode Actuator
Table 8: Blower Motor Speed Control Module
Table 9: Recirculation Door Actuator
Table 10: Temperature 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 Number

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 Number

Function

A

BK

552 (2.2L)

Low Reference

2759 (3.0L

B

GY

596 (2.2L)

5 Volt Reference

2709 (3.0L

C

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Ambient Air Temperature Sensor


Object Number: 635009 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-Pack 150 Series (NA)

Pin

Wire Color

Circuit Number

Function

A

L-BU

61

Ambient Air Temperature Sensor Signal

B

BK

476

Low Reference

Ambient Light Sensor


Object Number: 39661 Size: CH

Connector Part Information
    • 12047786
    • 4-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

L-GN/BK

1137

DRL Ambient Light Sensor Signal

B

YE/BK

1138

DRL Ambient Light Low Reference

C

BK

476

Low Reference

D

L-BU/BK

590

Sunload Sensor Signal

Blower Motor


Object Number: 684852 Size: CH

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

Pin

Wire Color

Circuit Number

Function

A

BU/WH

761

Blower Motor Speed Signal

B

YE

502

Ignition 3 Supply

HVAC Control Module


Object Number: 1673922 Size: CH

Connector Part Information
    • 1L-A65-22S-D3C1
    • 22-Way F (GN)

Pin

Wire Color

Circuit Number

Function

1

L-BU

61

Ambient Air Temperature Sensor Signal

2

--

--

Not Used

3

WH

733

Air Temperature Door Position Signal

4

RD

130

5 Volt Reference

5

BK

476

Low Reference

6

PU

54

Blower Motor Speed Request Signal

7

RD/BK

1791

Low Reference

8

L-BU/WH

1318

Mode Door Control

9

L-GN/BK

1648

Recirculation Door Control

10

BU/WH

761

Blower Motor Speed Control

11

GY

590

Sunload Sensor Signal

12

BU/RD

8

Instrument Panel Lamp Supply Voltage

13

GN

119

Mode Door Position Signal

14

BU

683

Rear Defog Indicator Supply Voltage

15

WH/RD

641

Ignition 3 Voltage

16

BK/WH

550

Ground

17

BU/YE

1640

Battery Positive Voltage

18

OG

1807

Class 2 Serial Data

19

YE

1807

Class 2 Serial Data

20

RD/WH

1199

Air Temperature Door Control

21

GN/YE

1647

Low Reference

22

L-GN

1218

Low Reference

Mode Actuator


Object Number: 281207 Size: CH

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

Pin

Wire Color

Circuit Number

Function

5

L-GN

1218

Low Reference

6

L-BU/WH

1318

Mode Door Control

7

--

--

Not Used

8

BK/WH

550

Ground

9

GN

119

Mode Door Position Signal

10

RD

130

5 Volt Reference

Blower Motor Speed Control Module


Object Number: 1284885 Size: CH

Connector Part Information
    • 61015041
    • 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

BU/WH

761

Blower Motor Speed Control

2

PU

54

Blower Motor Speed Request Signal

3

BK/RD

550

Ground

4

--

--

Not Used

Recirculation Door Actuator


Object Number: 281207 Size: CH

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

Pin

Wire Color

Circuit Number

Function

5

GN/YE

1647

Low Reference

6

L-GN/BK

1640

Recirculation Door Control

7-10

--

--

Not Used

Temperature Actuator


Object Number: 281207 Size: CH

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

Pin

Wire Color

Circuit Number

Function

5

RD/BK

1791

Low Reference

6

RD/WH

1199

Air Temperature Door Control

7

--

--

Not Used

8

RD

130

5 Volt Reference

9

WH

733

Air Temperature Door Position Signal

10

BK/WH

550

Ground