GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch Coil
Table 2: A/C Compressor Refrigerant Pressure Switch
Table 3: A/C Compressor Relay (K60)
Table 4: A/C Load Switch
Table 5: Ambient Air Outside Temperature Sensor
Table 6: Ambient Light/Sunload Sensor
Table 7: Blower Control Module
Table 8: Defroster Valve Actuator
Table 9: Floor Actuator
Table 10: Heater and A/C Control Connector C1
Table 11: Heater and A/C Control Connector C2
Table 12: Temperature Valve Actuator - LH
Table 13: Temperature Valve Actuator - RH
Table 14: Vent Actuator

A/C Compressor Clutch Coil


Object Number: 194384  Size: CH

Connector Part Information

    • ZFW 2-48
    • 2-Way F (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/BLK

XF102

Clutch Coil Ground

B

GRN

U30

Switched Battery Feed From Relay K60

A/C Compressor Refrigerant Pressure Switch


Object Number: 194380  Size: CH

Connector Part Information

    • K 4-20
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

FM99

A/C Request Signal to ECM

2

BLK/WHT

FM8

A/C Request Signal from Heater and A/C Control

3

BRN/WHT

XM120

Fused Ignition Feed from Relay K28

4

BLK

F57

Switch Ground

A/C Compressor Relay (K60)


Object Number: 193830  Size: CH

Connector Part Information

    • ZF 9-8
    • 9-Way F (GRN)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BRN

X100

Fused Ignition Feed for High Side of Relay Coil

3

--

--

Not Used

4

GRN

U2

Battery Feed to Compressor Clutch Coil

5

--

--

Not Used

6

YEL/BLU

BRN/PPL

BP1

XY107

A/C Cut Out to Heater and A/C Control

A/C Compressor Relay Control to ECM

7

--

--

Not Used

8

RED

A2

Fused Battery Feed

9

--

--

Not Used

A/C Load Switch


Object Number: 194379  Size: CH

Connector Part Information

    • ZFW 2-4
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/BLU

FP99

A/C Load Output Signal

B

BRN

X200

Fused Ignition Feed

Ambient Air Outside Temperature Sensor


Object Number: 194299  Size: CH

Connector Part Information

    • ZPF 2-3
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

BLU/WHT

PM4

5 V Reference

B

BLU

P11

Sensor Ground

Ambient Light/Sunload Sensor


Object Number: 194363  Size: CH

Connector Part Information

    • F 4-21
    • 4-Way F

Pin

Wire Color

Circuit No.

Function

1

BRN

X812

5 V Reference

2

BLK/WHT

FM60

Sun Sensor Signal

3

BLK

F830

Twilight Sensor Signal

4

BLU

P111

Sensor Ground

Blower Control Module


Object Number: 194360  Size: CH

Connector Part Information

    • ZF 5-12
    • 5-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

RED

A465

Fused Battery Feed

2

BLK/BLU

FP812

Blower Speed Input Signal

3

BLK

F812

Ground

4

BRN/WHT

XM112

Blower Speed Output Signal

5

--

--

Not Used

Defroster Valve Actuator


Object Number: 194414  Size: CH

Connector Part Information

    • F 6
    • 6-Way F AMP (WHT)

Pin

Wire Color

Circuit No.

Function

1

WHT

919

Stepper Motor Coil 1 Control

2

YEL

937

Battery Feed

3

BLU/WHT

918

Stepper Motor Coil 2 Control

4

BLK/WHT

917

Stepper Motor Coil 4 Control

5

YEL

936

Battery Feed

6

GRY/WHT

916

Stepper Motor Coil 3 Control

Floor Actuator


Object Number: 194414  Size: CH

Connector Part Information

    • F 6
    • 6-Way F AMP (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT/BLK

912

Stepper Motor Coil 1 Control

2

YEL

935

Battery Feed

3

BLU

913

Stepper Motor Coil 2 Control

4

BLK

914

Stepper Motor Coil 4 Control

5

YEL

934

Battery Feed

6

GRY/BLK

915

Stepper Motor Coil 3 Control

Heater and A/C Control Connector C1


Object Number: 193982  Size: CF

Connector Part Information

    • F 22-1 (963357-1)
    • 22-Way F AMP (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BLK

F830

Twilight Sensor Input Signal

3

BLK/WHT

FM60

Sun Sensor Input Signal

4

BRN/BLU

XP33

Twilight Voltage Output Signal

5

BLU

P11

Outside Temperature Sensor

BLU

P11

6

BLK/WHT

FM11

Fused Battery Voltage from Defogger Relay

7

BRN

X812

+5V Ref; Solar/Twilight Sensor

8

GRY/GRN

RU502

Fused Battery Voltage from Park Lamp Relay

9

YEL/BLU

BP900

A/C Compressor Relay Cutout Signal

10

BLK/WHT

FM7

A/C Request Output Signal

11

BLK/BLU

FP812

Blower Speed Output Signal

12

BLU/WHT

PM4

Outside Temp Sensor Input Signal

13

BRN/WHT

XM112

Blower Speed Input Signal

14

BLK/WHT

FM14

Rear Defog Switch Output Signal

15

GRY/YEL

RB400

Interior Lamps Dimming Input Signal

16

--

--

Not Used

17

BRN/WHT

XM110

Serial Data (KW82)

18

BLU/RED

PA400

Vehicle Speed Input Signal from EBTCM

19

BRN

X800

Fused Ignition Feed

20

GRN

U10

RPM Input Signal

21

BLK

F800

Ground

22

RED

A400

Fused Battery Feed

Heater and A/C Control Connector C2


Object Number: 193898  Size: CF

Connector Part Information

    • ZF 26-7 (827881-1)
    • 26-Way F AMP (YEL)

Pin

Wire Color

Circuit No.

Function

1

WHT/RED

900

LH Temp Valve Actuator Control - Terminal 1

2

BLU

901

LH Temp Valve Actuator Control - Terminal 3

3

BLK/RED

902

LH Temp Valve Actuator Control - Terminal 4

4

GRY/RED

903

LH Temp Valve Actuator Control - Terminal 6

5

WHT/YEL

904

RH Temp Valve Actuator Control - Terminal 1

6

BLU

905

RH Temp Valve Actuator Control - Terminal 3

7

BLK/YEL

906

RH Temp Valve Actuator Control - Terminal 4

8

GRY/YEL

907

RH Temp Valve Actuator Control - Terminal 6

9

WHT/BLU

908

Interior Air Valve Actuator Control - Terminal 1

10

BLU

909

Interior Air Valve Actuator Control - Terminal 3

11

GRY/BLU

910

Interior Air Valve Actuator Control - Terminal 4

12

BLK/BLU

911

Interior Air Valve Actuator Control - Terminal 6

13

WHT/BLK

912

Floor Air Valve Actuator Control - Terminal 1

14

BLU

913

Floor Air Valve Actuator Control - Terminal 3

15

BLK

914

Floor Air Valve Actuator Control - Terminal 4

16

GRY/BLK

915

Floor Air Valve Actuator Control - Terminal 6

17

WHT

919

Defrost Valve Actuator Control - Terminal 1

18

BLU/WHT

918

Defrost Valve Actuator Control - Terminal 3

19

BLK/WHT

917

Defrost Valve Actuator Control - Terminal 4

20

GRY/WHT

916

Defrost Valve Actuator Control - Terminal 6

21

BLU/WHT

920

Water Cutoff Vacuum Solenoid Valve Control

22

BLU/BLK

921

Recirc Vacuum Solenoid Valve Control

23

BRN/BLK

922

LH and RH Temp Sensor Ground

24

GRN/RED

923

5V Ref; LH Air Temp Sensor

25

GRN/BRN

924

5V Ref; RH Air Temp Sensor

26

YEL

925

Battery Power Supply

Temperature Valve Actuator - LH


Object Number: 194414  Size: CH

Connector Part Information

    • F 6
    • 6-Way F AMP (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHTRED

900

Stepper Motor Coil 1 Control

2

YEL

928

Battery Feed

3

BLU

901

Stepper Motor Coil 2 Control

4

BLK/RED

902

Stepper Motor Coil 4 Control

5

YEL

929

Battery Feed

6

GRY/RED

903

Stepper Motor Coil 3 Control

Temperature Valve Actuator - RH


Object Number: 194414  Size: CH

Connector Part Information

    • F 6
    • 6-Way F AMP (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT/YEL

904

Stepper Motor Coil 1 Control

2

YEL

931

Battery Feed

3

BLU

905

Stepper Motor Coil 2 Control

4

BLK/YEL

906

Stepper Motor Coil 4 Control

5

YEL

930

Battery Feed

6

GRY/YEL

907

Stepper Motor Coil 3 Control

Vent Actuator


Object Number: 194414  Size: CH

Connector Part Information

    • F 6
    • 6-Way F AMP (BLU)

Pin

Wire Color

Circuit No.

Function

1

WHT/BLU

908

Stepper Motor Coil 1 Control

2

YEL

933

Battery Feed

3

BLU

909

Stepper Motor Coil 2 Control

4

GRY/BLU

910

Stepper Motor Coil 4 Control

5

YEL

932

Battery Feed

6

BLK/BLU

911

Stepper Motor Coil 3 Control