GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Aurora 🢒 Brakes 🢒 Antilock Brake System 🢒 HVAC Connector End Views
Table 1: A/C High Pressure Switch (L47)
Table 2: A/C High Temperature Sensor (L47)
Table 3: A/C Low Pressure Switch (L 47)
Table 4: A/C Low Temperature Sensor (L47)
Table 5: A/C Mode Actuator
Table 6: Air Inlet Actuator
Table 7: Ambient Air Temperature Sensor
Table 8: Blower Control Module C2
Table 9: Blower Control Module C1
Table 10: Blower Motor
Table 11: Driver Actuator
Table 12: Driver Actuator
Table 13: Heat/Defroster Actuator
Table 14: Heater and A/C Control (Buick)
Table 15: Heater and A/C Control (Oldsmobile)
Table 16: Heater and A/C Programmer C1
Table 17: Heater and A/C Programmer C2
Table 18: Inside Air Temperature Sensor
Table 19: LH Sun Load Sensor
Table 20: Passenger Actuator
Table 21: Passenger Temperature Control (Buick)
Table 22: Passenger Temperature Control (Oldsmobile)
Table 23: RH Sun Load Sensor

A/C Clutch


Object Number: 62440 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Clutch Solenoid Feed

B

BLK

1350

Ground

A/C High Pressure Switch (L47)


Object Number: 38560 Size: CH

Connector Part Information
    • 12162432
    • 2-Way F Metri-Pak 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

604

Air Conditoning Refrigerant High Pressure Cut-out Switch

B

BLK/WHT

451

Engine Control Module Ground

A/C High Temperature Sensor (L47)


Object Number: 130692 Size: CH

Connector Part Information
    • 12092512
    • 2-Way Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

732

Air Conditioning Refrigerant High Temperature Sensor Signal

B

BLK/WHT

1704

Sensor Return

A/C Low Pressure Switch (L 47)


Object Number: 35437 Size: CH

Connector Part Information
    • 12052635
    • 2-Way F Metri-Pak 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

762

Air Conditioning Request Signal

B

DK GRN

603

Air Conditioning Refrigerant Low Pressure Cut-out Switch

A/C Low Temperature Sensor (L47)


Object Number: 130692 Size: CH

Connector Part Information
    • 12092512
    • 2-Way Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRA

731

Air Conditioning Refrigerant Low Temperature Sensor Signal

B

BLK

470

Sensor Return

A/C Mode Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Metri-Pak 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Fuse Output - Ignition 3

6

BRN/WHT

1218

Mode Valve Motor Feed - Upper

7

GRY/BLK

695

Heated Mirror Element Return - Right

8

--

--

Not Used

9

RED

708

Mode Valve Position Sensor Signal - Upper

10

GRA

705

Reference Voltage Feed - 5 Volt Reference

A/C Pressure Sensor


Object Number: 219804 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Sensor Return

B

GRY

474

5 Volt Reference Feed

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Air Inlet Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Metri-Pak 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Fuse Output - Ignition 3

6

DK GRN

1614

Air Inlet Valve Motor Feed

7

GRY/BLK

695

Heater Mirror Element Return - Right

8

--

--

Not Used

9

PPL

722

Fuse Output - Blower Switch Output - Type III Fuse

10

GRY

705

Reference Voltage Feed - 5 Voltage Reference

Ambient Air Temperature Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162192
    • 2-Way F Metri-Pak
    • 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

735

Outside Ambient Temperature Sensor Signal

B

YEL

61

Outside Ambient Temperature Sensor Return

Blower Control Module C2


Object Number: 73207 Size: CH

Connector Part Information
    • 12059405
    • 2 Way F Metri-Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

342

Fused Output - Bat

Blower Control Module C1


Object Number: 73206 Size: CH

Connector Part Information
    • 12059407
    • 4 Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

65

Blower Motor Feed

B

GRA/BLK

754

Blower Speed Signal - Speed Control

C

BLK.WHT

151

Ground

D

--

--

Not Used

Blower Motor


Object Number: 35456 Size: CH

Connector Part Information
    • 12064749
    • 2 Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

65

Blower Motor Feed

B

BLK/WHT

151

Ground

Driver 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

541

Fused Output - Ign 3

6

DK BLU

1199

Air Temperature Valve Motor Feed

7

GRY/BLK

695

Heated Mirror Element Return - Right

8

--

--

Not Used

9

LT BLU

733

Air Temperature Valve Position Sensor Signal

10

GRY

705

Reference

Driver 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

541

Fused Output - Ign 3

6

DK BLU

1199

Air Temperature Valve Motor Feed

7

GRY/BLK

695

Heated Mirror Element Return - Right

8

--

--

Not Used

9

LT BLU

733

Air Temperature Valve Position Sensor Signal

10

GRY

705

Reference

Heat/Defroster Actuator


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Fuse Output - Ignition 3

6

YEL

1318

Mode Valve Motor Feed - Lower

7

GRY/BLK

695

Heated Mirror Element Return - Right

8

--

--

Not Used

9

YEL/BLK

713

Coolant Temperature Switch Feed

10

GRY

705

Reference Voltage Feed - 5 Volt Reference

Heater and A/C Control (Buick)


Object Number: 73152 Size: CH

Connector Part Information
    • 12110259
    • 16 Way F Metri-Pack 100 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A1-A6

--

--

Not Used

A7

BRN

541

Fused Output - IGN

A8

BLK

150

Ground

B1

LT BLU

1880

HVAC Control Signal Driver

B2

PPL

1881

HVAC Control Signal Clock Driver

B3

GRY

8

IP Lamp Feed

B4-B8

--

--

Not Used

Heater and A/C Control (Oldsmobile)


Object Number: 73152 Size: CH

Connector Part Information
    • 12084944
    • 16 Way F Metri-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BRN

1244

Instrument Panel Lamp Feed #2

A3

ORN/BLK

1061

UART Serial Data Signal

A4

ORN

40

Fused Output - BAT

A5

--

--

Not Used

A6

BLK/WHT

351

Ground

A7-A8

--

--

Not Used

B1

DK GRN

835

Diagnostic Signal E and C

B2-B3

--

--

Not Used

B4

BRN

41

Fused Output - IGN

B5

BLK

150

Ground

B6-B8

--

--

Not Used

Heater and A/C Programmer C1


Object Number: 73144 Size: CH

Connector Part Information
    • 12047946
    • 24-way F Micro-Pack 100 Series BLK

Pin

Wire Color

Circuit No.

Function

A1

GRY

705

Reference Voltage Feed 5-volt Reference

A2

YEL/BLK

713

Mode Valve Position Sensor Signal - Defrost/Heater

A3

RED

708

Mode Valve Position Sensor Signal - Upper

A4

PPL

722

Mode Valve Position Sensor Signal - A/I

A5

LT BLU

733

Air Temperature Valve Position Sensor Signal - Driver

A6

DK BLU/WHT

1646

Air Temperature Valve Position Sensor Signal - Passenger

A7

GRY/BLK

695

Mode Valve Position Sensor Signal - A/C

A8

YEL

1318

Mode Valve Motor Feed - Lower

A9

BRN/WHT

1218

Mode Valve Motor Feed - Upper

A10

DK GRN

1614

Air Inlet Valve Motor Feed

A11

DK BLU

1199

Air Temperature Valve Motor Feed - Driver

A12

WHT/BLK

1236

Air Temperature Valve Motor Feed - Passenger

B1

LT GRN/BLK

735

Outside Ambient Temperature Sensor Signal

B2

LT BLU/BLK

590

Sun Load Sensor Signal - Driver

B3

GRY

1548

Sun Load Sensor Signal - Passenger

B4

DK GRN

734

Inside Temperature Sensor Signal

B5

DK BLU/WHT

831

HVAC Control Assembly Signal - Passenger

B6-B7

--

--

Not Used

B8

YEL

61

Outside Ambient Temperature Sensor Return

B9-B12

--

--

Not Used

Heater and A/C Programmer C2


Object Number: 73221 Size: CH

Connector Part Information
    • 12045575
    • 32 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

C1

ORN

40

Fused Output - Bat

C2

BRN

41

Fused Output - IGN

C3

--

--

Not Used

C4

DK GRN

835

Diagnostic Signal E and C

C5-C6

--

--

Not Used

C7

TAN

800

UART Serial Data Signal

C8

TAN

800

UART Serial Data Signal

C9-C11

--

--

Not Used

C12

LT BLU

1880

HVAC Control Assembly Signal Driver

C13

PPL

1881

HVAC Control Assembly Clock Driver

C14

BLK

1878

HVAC Control Assembly Signal Clock Passenger

C15

TAN

1812

HVAC Control Assembly Return Passenger

C16-D4

--

--

Not Used

D5

LT BLU/WHT

181

Heated Seat control Module Signal - Status

D6-D8

--

--

Not Used

D9

ORN

761

Blower Speed Signal Speed Feedback

D10

GRY/BLK

754

Blower Speed Signal Speed Control

D11

--

--

Not Used

D12

WHT

193

Rear Defogger Relay Output - Coil

D13

RED

1777

Rear Defogger Relay Output - Coil - Secondary Zone

D14

PPL/WHT

724

Vacuum Fluorescent Dimming Signal

D15

DK GRN/WHT

762

Air Conditioning Request Signal

D16

BLK/WHT

851

Ground

Inside Air Temperature Sensor


Object Number: 35455 Size: CH

Connector Part Information
    • 12059252
    • 2 Way M Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

734

Inside Temperature Sensor Signal

B

YEL

61

Outside Ambient Temperature Sensor Return

LH Sun Load Sensor


Object Number: 258301 Size: CH

Connector Part Information
    • 12059254
    • 2 Way M Metri-Pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

590

Solar Sensor Signal - Driver

B

YEL

61

Outside Ambient Temperature Sensor Return

Passenger Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Metri-Pak 100 Series

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Fuse Output - Ignition 3

6

WHT/BLK

1263

Air Temperature Valve Motor Feed Passenger

7

GRY/BLK

695

Heated Mirror Element Return - Right

8

--

--

Not Used

9

DK BLU

1646

Air Temperature Valve Position Sensor Signal - Reference

10

GRY

705

5 V Reference Feed

Passenger Temperature Control (Buick)


Object Number: 258244 Size: CH

Connector Part Information
    • 12047934
    • 7 Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

41

Fuse Output -- Ignition

B

TAN

1812

HVAC Control Assembly Return -- Passenger

C

PPL/WHT

724

Vacuum Fluorescent Dimming Signal

D

--

--

Not Used

E

DK BLU/WHT

831

HVAC Control Assembly Signal -- Passenger

F

BLK

1878

Fog Lamp Switch Output -- Rear

G

GRY

8

Instrument Panel Lamp Feed

H

BLK/WHT

151

Ground

Passenger Temperature Control (Oldsmobile)


Object Number: 320619 Size: CH

Connector Part Information
    • 12162143
    • 4 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

831

HVAC Control Assembly Signal -- Passenger

B

TAN

1812

HVAC Control Assembly Return -- Passenger

C

GRY

8

Instrument Panel Lamp Feed

D

BLK

151

Ground

RH Sun Load Sensor


Object Number: 258301 Size: CH

Connector Part Information
    • 12059254
    • 2 Way M Metri-Pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

GRA

1548

Solar Sensor Signal - Passenger

B

YEL

61

Outside Ambient Air Temperature Return