GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1997 🢒 Catera 🢒 Engine 🢒 Engine Cooling 🢒 Cooling System Connector End Views

A/C Compressor Refrigerant Pressure Switch


Object Number: 194380 Size: CH

Connector Part Information
    • K 4-20
    • 4 WAY

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

FM99

A/C Request output signal

2

BLK/WHT

FM7

A/C Request signal

3

BRN/WHT

XM120

B+ from relay K28

4

BLK

F57

Ground to G103

Auxiliary Engine Coolant Fan #1


Object Number: 194387 Size: CH

Connector Part Information
    • ZFW 2-6
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

AM13

B+ from relay K26

B

BRN/GRN

XU3

Ground from relay K52

Auxiliary Engine Coolant Fan #2


Object Number: 194387 Size: CH

Connector Part Information
    • ZFW 2-6
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

AM5

Fan ON signal

B

BLK

F4

Ground to G103

Auxiliary Water Pump Relay K22


Object Number: 193830 Size: CH

Connector Part Information
    • ZF9-28
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

NOT USED

2

RED/BLU

AP3

3

NOT USED

4

BRN

X6

5

BRN/GRN

XU2

6

BLK

F5

7-9

NOT USED

Coolant Fan Test Connector


Object Number: 194195 Size: CH

Connector Part Information
    • ZPM 6-59
    • 6 Way M

Pin

Wire Color

Circuit No.

Function

1

BRN/BLU

XP999

Test pin for relay K26 and relay K48

2

BRN/WHT

XM999

Test pin for relay K28

3

BRN

X999

B+ from fuse #13

4

BRN/WHT

XM998

Test pin for relay K67

5

BRN/WHT

XM997

Test pin for relay K28 and relay K52

6

BLK

F999

Ground to G103

ECM Cooling Blower


Object Number: 193700 Size: CH

Connector Part Information
    • ZFW 2-30
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

FM235

Blower control signal

2

BLK

F59

Ground to G103

ECM Relay K48


Object Number: 193830 Size: CH

Connector Part Information
    • ZF 9-28
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

--

--

Not used

2

RED

A60

B+ from fuse #50

3

--

--

Not used

4

BRN

X235

B+ from fuse #10

5

BRN/WHT

XM121

Relay K48 control signal

6

BRN/BLU

XP31

Relay K48 control signal

7

--

--

Not used

8

BLK/WHT

FM235

ECM blower on signal

9

--

--

Not used

Electric Cooling Fan


Object Number: 194299 Size: CH

Connector Part Information
    • ZFW 2-24
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

AM17

Fan ON signal

B

BLK

F100

Ground to G103

Fan Control Relay K26


Object Number: 193830 Size: CH

Connector Part Information
    • ZF 9-11
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

--

--

Not used

2

RED

A222

B+ from fuse #52

3

RED

A6

A60

B+ from fuse #50

4

RED

A223

B+ from fuse #52

5

RED/BLU

AP1

Fan resistor signal

6

BRN/WHT

XP3

Relay K26 control signal

7

--

--

Not used

8

RED/WHT

AM1

Fan #1 ON signal

9

--

--

Not used

Fan Control Relay K28


Object Number: 193830 Size: CH

Connector Part Information
    • ZF 9-28
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

--

--

Not used

2

BRN

X400

B+ from fuse #10

3

--

--

Not used

4

RED

A14

B+ from fuse #40

5

BRN/WHT

XM10

Relay K28 control signal

6

BRN/WHT

XP124

Relay K28 control signal

7

--

--

Not used

8

RED/WHT

AM4

Fan #2 on signal

9

--

--

Not used

Fan Control Relay K52


Object Number: 193830 Size: CH

Connector Part Information
    • ZF 9-32
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

--

--

Not used

2

BRN/GRN

XU3

Fan #1 control signal

3

--

--

Not used

4

BRN

X30

B+ form fuse #10

5

RED/WHT

AM3

Fan #2 control signal

6

BRN/WHT

XM123

Relay K52 control signal

7

--

--

Not used

8

BLK

F7

Ground to G103

9

--

--

Not used

Fan Control Relay K67


Object Number: 193830 Size: CH

Connector Part Information
    • ZF 9-27
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

--

--

Not used

2

BRN

X2

B+ from fuse #10

3

--

--

Not used

4

RED

A710

B+ from fuse #42

5

--

--

Not used

6

BRN/WHT

XM5

XM998

Relay K67 control signal

7

--

--

Not used

8

RED/WHT

AM16

Coolant fan ON signal

9

--

--

Not used

Fan Control Relay K87


Object Number: 193830 Size: CH

Connector Part Information
    • ZF 9-8
    • 9 Way F

Pin

Wire Color

Circuit No.

Function

1

--

--

Not used

2

GRN

U4

Compressor control signal

3

--

--

Not used

4

RED

A221

B+ from fuse #52

5

--

--

Not used

6

BLK

F2

Ground to G103

7

--

--

Not used

8

RED/WHT

AM12

Fan #1 control signal

9

--

--

Not used

Heater Water Auxiliary Pump


Object Number: 193700 Size: CH

Connector Part Information
    • ZFW 2-57
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

1

BLK

F75

B+ from fuse #10

2

BRN

X70

Ground to G103

Primary Cooling Fan Temperature Switch


Object Number: 194381 Size: CH

Connector Part Information
    • K 3-10
    • 3 Way

Pin

Wire Color

Circuit No.

Function

1

BLK

F600

Ground to G103

2

BRN/BLU

XP30

Relay K26 & K48 control

3

BRN/WHT

XM5

Relay K67 control

Secondary Cooling Fan Temperature Switch


Object Number: 194383 Size: CH

Connector Part Information
    • ZFW 3-6
    • 3 Way F

Pin

Wire Color

Circuit No.

Function

1

BRN/BLK

XF101

Compressor Control Signal

2

BRN/WHT

XM122

Relay K28 & K52 Control

3

BLK

F60

Ground to G103

Water Auxiliary Pump


Object Number: 193700 Size: CH

Connector Part Information
    • ZFW2-40
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

1

BLK

F6

Ground to G103

2

BRN/GRN

XU2

Pump control signal