GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Suspension 🢒 Automatic Level Control 🢒 HVAC Connector End Views
Table 1: A/C Compressor Clutch Coil
Table 2: A/C Compressor Relay K60
Table 3: A/C Load Switch
Table 4: A/C Compressor Refrigerant Pressure Switch
Table 5: Ambient Air Outside Temperature Sensor
Table 6: Headlamp Automatic Control Ambient Light Sensor
Table 7: Heater and A/C Control Connector C1
Table 8: Heater and A/C Control Connector C2
Table 9: Blower Control Module
Table 10: Defroster Valve Actuator
Table 11: Floor Air Valve Actuator (Mode Valve)
Table 12: Inside Air Valve Actuator
Table 13: Temperature Valve Actuator LH
Table 14: Temperature Valve Actuator RH

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 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 Compresssor 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

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

FM7

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

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

Headlamp Automatic Control Ambient Light 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

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

P111

P11

Solar/Twilight and Outside Temp Sensor Ground

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

FM8

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

900

LH Temp Valve Actuator Control (terminal 1)

2

BLU

901

LH Temp Valve Actuator Control (terminal 3)

3

BLK

902

LH Temp Valve Actuator Control (terminal 4)

4

GRY

903

LH Temp Valve Actuator Control (terminal 6)

5

WHT

904

RH Temp Valve Actuator Control (terminal 1)

6

BLU

905

RH Temp Valve Actuator Control (terminal 3)

7

BLK

906

RH Temp Valve Actuator Control (terminal 4)

8

GRY

907

RH Temp Valve Actuator Control (terminal 6)

9

WHT

908

Interior Air Valve Actuator Control (terminal 1)

10

BLU

909

Interior Air Valve Actuator Control (terminal 3)

11

BLK

910

Interior Air Valve Actuator Control (terminal 4)

12

GRY

911

Interior Air Valve Actuator Control (terminal 6)

13

WHT

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

915

Floor Air Valve Actuator Control (terminal 6)

17

WHT

919

Defrost Valve Actuator Control (terminal 1)

18

BLU

918

Defrost Valve Actuator Control (terminal 3)

19

BLK

917

Defrost Valve Actuator Control (terminal 4)

20

GRY

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

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

936

Battery Feed

3

BLU

918

Stepper Motor Coil 2 Control

4

BLK

917

Stepper Motor Coil 4 Control

5

YEL

937

Battery Feed

6

GRY

916

Stepper Motor Coil 3 Control

Floor Air Valve Actuator (Mode Valve)


Object Number: 194414 Size: CH

Connector Part Information
    • F 6
    • 6 Way F AMP (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

912

Stepper Motor Coil 1 Control

2

YEL

934

Battery Feed

3

BLU

913

Stepper Motor Coil 2 Control

4

BLK

914

Stepper Motor Coil 4 Control

5

YEL

935

Battery Feed

6

GRY

915

Stepper Motor Coil 3 Control

Inside Air Valve Actuator


Object Number: 194414 Size: CH

Connector Part Information
    • F 6
    • 6 Way F AMP (BLU)

Pin

Wire Color

Circuit No.

Function

1

WHT

908

Stepper Motor Coil 1 Control

2

YEL

932

Battery Feed

3

BLU

909

Stepper Motor Coil 2 Control

4

BLK

910

Stepper Motor Coil 4 Control

5

YEL

933

Battery Feed

6

GRY

911

Stepper Motor Coil 3 Control

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

WHT

900

Stepper Motor Coil 1 Control

2

YEL

929

Battery Feed

3

BLU

901

Stepper Motor Coil 2 Control

4

BLK

902

Stepper Motor Coil 4 Control

5

YEL

928

Battery Feed

6

GRY

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

904

Stepper Motor Coil 1 Control

2

YEL

930

Battery Feed

3

BLU

905

Stepper Motor Coil 2 Control

4

BLK

906

Stepper Motor Coil 4 Control

5

YEL

931

Battery Feed

6

GRY

907

Stepper Motor Coil 3 Control