GM Service Manual Online
For 1990-2009 cars only

A/C Compressor Clutch Coil


Object Number: 280759  Size: CH

Connector Part Information

    • 12162017
    • 2-Way F Metric-Pack 150 Series (GRY)

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


Object Number: 258299  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

Sensor Ground

B

GRY

2700

Reference Voltage Feed-5 Volts

C

RED/BLK

380

A/C Refrigerent Pressure Signal

Blower Motor Resistor


Object Number: 73146  Size: CH

Connector Part Information

    • 12052854
    • 7-Way F Metric-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

63

Blower Switch Output Medium 1

B

YEL

60

Blower Switch Ouput-Low

C

PPL

73

Blower Switch Output Medium 3

D

LT BLU

72

Blower Switch Output Medium 2

E

BLK

150

Ground

F

ORN

52

Blower Switch Ouput-High

G

ORN

40

Fused Battery Feed

Electric Actuator, Left Side


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Mirco-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

YEL

61

Ambient Outside/Inside Temperature Sensor Return

8

--

--

Not Used

9

LT BLU

733

Temperature Valve Position Signal (w/CJ2)

10

LT BLU/BLK

1688

5 Volts Reference

Electric Actuator, Right Side


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Mirco-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Fused Output-IGN 3

6

WHT/BLK

1236

Air Temperature Valve Motor Feed-Passenger

7

YEL

61

Sensor Return - Outside/Inside

8

--

--

Not Used

9

DK BLU

1646

RH Temperature Valve Position Signal

10

LT BLU/BLK

1688

5 Volt Reference

Heater-A/C Control (C60), C1


Object Number: 62469  Size: CH

Connector Part Information

    • 12064998
    • 8-Way F Metric-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

119

Mode Switch Output

B

BRN

41

Fused Igition 3 Feed

C

ORN

52

Blower Switch Output-High

D

--

--

Not Used

E

PPL

73

Blower Switch Output-Medium 3

F

LT BLU

72

Blower Switch Output-Medium 2

G

TAN

63

Blower Switch Output-Medium 1

H

YEL

60

Blower Switch Output-Low

Heater-A/C Control (C60), C2


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12-Way F Metric-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

119

Blower Switch Output-OFF

B

DK GRN/ WHT

762

A/C Request Signal

C

BRN

541

Fuesd Ignition- 3 Feed

D

WHT

193

Rear Defogger ON Indicator -Relay Coil Feed

E

ORN

640

Fused Battrery Feed

F

LT GRN

273

HVAC Control Signal-Not OFF

G

LT BLU

733

Temperature Valve Position Signal

H

YEL

271

HVAC Control Siganl-MAX

J

GRY

8

Interior Lamp Dim Signal

K

BLK

150

Ground

L

PPL

272

HVAC Control Signal-Defrost

M

GRY/BLK

308

Park Lamp Switch Signal-Park Lamps ON

Heater-A/C Control (C60), C3


Object Number: 38596  Size: CH

Connector Part Information

    • 12020557
    • 3-Way F Metric-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

273

HVAC Control Signal-Defrost

B

PPL

272

HVAC Control Signal-Not OFF

C

YEL

271

HVAC Control Signal-MAX

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