GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch Coil
Table 2: A/C Refrigerent Pressure Sensor (VIN M)
Table 3: Ambient Air Temperture Gauge Sensor
Table 4: Blower Motor Control Module (CJ2)
Table 5: Electric Actuator, LH (CJ2)
Table 6: Electric Actuator, RH (CJ2)
Table 7: Heater-A/C Control (CJ2)
Table 8: Inside Air Temperature Sensor
Table 9: Sun Load Temperature Sensor
Table 10: Vacuum Electric Solenoid

A/C Compressor Clutch Coil


Object Number: 280759  Size: CH

Connector Part Information

    • 12162017
    • 2-Way F Metric-Pack 150 Series

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

B

DK GRN

59

A/C Compressor Clutch Solenoid Feed

A/C Refrigerent Pressure Sensor (VIN M)


Object Number: 258299  Size: CH

Connector Part Information

    • 12110192
    • 3-Way F Metric-Pack 150 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Ground

B

GRY

474

Reference Voltage Feed-5 Volts

C

RED/BLK

380

A/C Refrigerent

Ambient Air Temperture Gauge Sensor


Object Number: 35437  Size: CH

Connector Part Information

    • 12052141
    • 10-Way F Metric-Pack 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 Motor Control Module (CJ2)


Object Number: 73229  Size: CH

Connector Part Information

    • 12129566
    • 4-Way F Metric-Pack 280 Series Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

ORN

40

Fused Battery Feed

C

GRY/BLK

754

Blower Speed Control Signal

D

--

--

Not Used

Electric Actuator, LH (CJ2)


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Mirco-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

41

Fused Output-IGN 3

6

DK BLU

1199

Air Temperature Valve Motor Feed

7

YEL

61

Ambient Outside Temperature Sensor Return

8

--

--

Not Used

9

BRN/WHT

1218

Mode Valve Motor Feed-Upper

10

PNK/BLK

1217

5 Volts Reference

Electric Actuator, RH (CJ2)


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Mirco-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

41

Fused Output-IGN 3

6

WHT/BLU

1236

RH Temperature Valve Motor Feed

7 (Regal)

YEL

61

Ambient Outside Temperature Sensor Return

7 (Century)

BLK

1450

Ground

8

--

--

Not Used

9

YEL

1791

RH Temperature Valve Position Sensor Signal

10 (Regal)

PNK/BLK

1217

5 Volts Reference

10 (Century)

BRN

41

Fused Output-IGN 3

Heater-A/C Control (CJ2)


Object Number: 524759  Size: CH

Connector Part Information

    • 12045470
    • 32-Way F Metric-Pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

C1

BLK

1450

Ground

C2

LT BLU/BLK

590

Sun Load Temperature Sensor Signal

C3

YEL

1791

RH Electric Actuator Feedback Signal

C4

--

--

Not Used

C5

BRN

41

Fused Ignition 3 Feed

C6

WHT/BLK

1236

RH Electric Actuator Motor Feed

C7

DK BLU

1199

LH Temperature Valve Motor Feed

C8

BRN/WHT

1218

LH Electric Actuator Motor Feed

C9

--

--

Not Used

C10

PNK/BLK

1217

5 Volt Reference

C11

GRY/BLK

754

Blower Speed Control Signal

C12

ORN

640

Fused Battery Feed

C13-15

--

--

Not Used

C16

GRY

8

Instrument Panel Lamp Feed

D1

YEL

61

Electric Actuatros and Sensors Returns

D2

DK GRN

734

Inside Air Temperature Sensor Signal

D3

LT GRN/BLK

735

Ambient Air Temperature Sensor Signal

D4-7

--

--

Not Used

D8

TAN

363

Recirclation Solenoid Control

D9

PPL

361

Heater-Defrost Solenoid Control

D10

RED

362

Heater Solenoid Control

D11

LT GRN/BLK

366

Defrost Solenoid Control

D12

WHT

1038

HVAC Serial Data (Class II) Communication

D13

LT BLU

706

A/C Solenoid Control

D14

--

--

Not Used

D15

WHT

193

Rear Defogger ON Indicator -Relay Coil Feed

D16

--

--

Not Used

Inside Air Temperature Sensor


Object Number: 35455  Size: CH

Connector Part Information

    • 15304747
    • 2-Way M Metric-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

734

Inside Temperature Sensor Signal

B

BLK

61

Outside Ambient Temperature Sensor Return

Sun Load Temperature Sensor


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M ACT 150 Series(BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

590

Solar Sensor Signal-Driver

B

YEL

61

Outside Ambient Temperature Sensor Return

Vacuum Electric Solenoid


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Metric-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

LT GRN/BLK

366

Defrost Solenoid Control

2

RED

362

Heater Solenoid Control

3

PPL

361

Bi-Level Solenoid Control

4

TAN

363

A/C Solenoid Control

5

LT BLU

706

Recirclation Solenoid Control

6

BRN

41

Fused IGN 1 Feed