GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Silhouette Ext. 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 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: Air Temperature Actuator-Auxiliary
Table 6: Ambient Air Temperature Sensor
Table 7: Blower Motor-Auxiliary
Table 8: Blower Motor Resistor Assembly
Table 9: Blower Motor Resistor Assembly-Auxiliary
Table 10: Evaporative Temperature Sensor
Table 11: HVAC Control Module-Auxiliary Connector C1
Table 12: HVAC Control Module-Auxiliary Connector C2
Table 13: HVAC Control Assembly Connector C1
Table 14: HVAC Control Assembly Connector C2
Table 15: Multi-function Switch Connector C2 (Auxiliary Blower Switch)
Table 16: Mode Actuator
Table 17: Mode Actuator-Auxiliary
Table 18: Recirculation Actuator
Table 19: TXV Solenoid-Auxiliary

A/C Compressor Clutch


Object Number: 537107 Size: CH

Connector Part Information
    • 12052644
    • 2-Way F Metri-Pack 150 Series (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
    • 1211-0192
    • 3-Way F Metri-Pack 150 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Low Reference

B

GRY

2700

5-Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator-Left


Object Number: 40427 Size: CH

Connector Part Information
    • 12064978
    • 6-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

BLK

150

Ground

4

DK BLU

1199

Left Air Temperature Door Control

5

--

--

Not Used

6

BRN

241

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

150

Ground

8

WHT/BLK

1236

Right Air Temperature Door Control

9

--

--

Not Used

10

BRN

241

Ignition 3 Voltage

Air Temperature Actuator-Auxiliary


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • (BLK)

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

850

Ground

8

BLK

2614

Air Temperature Door Control - Auxiliary

9

--

--

Not Used

10

BRN

641

Ignition 3 Voltage

Ambient Air Temperature Sensor


Object Number: 35437 Size: CH

Connector Part Information
    • 1205-2641
    • 2-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

735

Ambient Air Temperature Sensor Signal

B

BLK

1550

Ground

Blower Motor-Auxiliary


Object Number: 62488 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

641

Ignition 3 Voltage

B

BRN

2620

Auxiliary Blower Motor Speed Control

Blower Motor Resistor Assembly


Object Number: 73146 Size: CH

Connector Part Information
    • 1205-2854
    • 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

Blower Motor Resistor Assembly-Auxiliary


Object Number: 697053 Size: CH

Connector Part Information
    • 12129565
    • 4-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

1176

Auxiliary Blower Motor Low Speed Control

B

--

--

Not Used

C

LT BLU

1072

Auxiliary Blower Motor Medium Speed Control

D

WHT

2613

Auxiliary Blower Motor Medium 1 and 2 Speed Control

Evaporative Temperature Sensor


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

2622

5-Volt Reference

B

BLK

552

Low Reference

HVAC Control Module-Auxiliary Connector C1


Object Number: 73152 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A1

PPL

9970

Blower Motor Switch Supply Voltage - Auxiliary

A2

PPL

9970

Blower Motor Switch Supply Voltage - Auxiliary

A3

YEL

1176

Auxiliary Blower Motor Low Speed Control

A4

GRY

2603

TXV Solenoid Control

A5

ORN

1052

Auxiliary Blower Motor High Speed Relay Control

A6

LT BLU

1072

Auxiliary Blower Motor Medium Speed Control

A7

GRY

778

Blower Motor Control - Auxiliary

A8

GRY

778

Blower Motor Control - Auxiliary

B1

PPL

9970

Blower Motor Switch Supply Voltage - Auxiliary

B2

BLK

850

Ground

B3

BLK

2614

Air Temperature Door Control - Auxiliary

B4

--

--

Not Used

B5

LT BLU

733

Auxiliary Air Temperature Door Control

B6

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B7

BRN

641

Ignition 3 Voltage

B8

GRY

778

Blower Motor Control - Auxiliary

HVAC Control Module-Auxiliary Connector C2


Object Number: 232132 Size: CH

Connector Part Information
    • 12020813
    • 5-Way F Micro-Pack 630 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1052

Auxiliary Blower Motor High Speed Relay Control

B

LT BLU

1072

Auxiliary Blower Motor Medium Speed Control

C

YEL

1176

Auxiliary Blower Motor Low Speed Control

D

--

--

Not Used

E

PPL

9970

Blower Motor Switch Supply Voltage - Auxiliary

HVAC Control Assembly Connector C1


Object Number: 62469 Size: CH

Connector Part Information
    • 1206-4998
    • 8-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

OFF Blower Motor Control

B

BRN

41

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 Assembly Connector C2


Object Number: 73152 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

640

Battery Positive Voltage

A2

BRN

241

Ignition 3 Voltage

A3

GRY/BLK

308

Park Lamp Switch On Input/Park Lamp Relay Control

A4

WHT

193

Rear Defog Relay Control

A5

TAN/BLK

2274

Recirculation Door Control Circuit

A6

DK GRN/WHT

762

A/C Request Signal

A7

TAN

2273

Mode Door Control Circuit

A8

DK BLU

1199

Left Air Temperature Door Control

B1

BLK

150

Ground

B2

BLK

552

Low Reference

B3

WHT

2622

5-Volt Reference

B4

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B5

DK GRN

71

OFF Blower Motor Control

B6

WHT/BLK

1236

Right Air Temperature Door Control

B7

RED

2615

Mode Door Control Auxiliary

B8

LT BLU

733

Auxiliary Air Temperature Door Control

Multi-function Switch Connector C2 (Auxiliary Blower Switch)


Object Number: 73232 Size: CH

Connector Part Information
    • 1216-2455
    • 8-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

YEL

1176

Auxiliary Blower Motor Low Speed Control

B

ORN

1052

Auxiliary Blower Motor High Speed Relay Control

C

LT BLU

1072

Auxiliary Blower Motor Medium Speed Control

D

--

--

Not Used

E

BLK

1450

Ground

F

--

--

Not Used

G

GRY

778

Auxiliary Blower Motor Speed Control

H

GRY

8

Instrument Panel Lamp Supply Voltage - 1

Mode Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 1206-4993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

150

Ground

8

TAN

2273

Mode Door Control

9

--

--

Not Used

10

BRN

241

Ignition 3 Voltage

Mode Actuator-Auxiliary


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • --

Pin

Wire Color

Circuit No.

Function

5

BRN

641

Ignition 3 Voltage

6

RED

2615

Auxiliary Mode Door Control

7

BLK

850

Ground

8-10

--

--

Not Used

Recirculation Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 1206-4993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

241

Ignition 3 Voltage

6

TAN/BLK

2274

Recirculation Door Control

7

BLK

150

Ground

8-10

--

--

Not Used

TXV Solenoid-Auxiliary


Object Number: 288384 Size: CF

Connector Part Information
    • 15332129
    • 2-Way F 150 GT Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

BRN

641

Ignition 3 Voltage

2

GRY

2603

TXV Solenoid Control