GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Prizm 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Connector End Views
Table 1: A/C Compressor Control Module
Table 2: A/C Compressor Clutch
Table 3: A/C Switch
Table 4: Blower Motor
Table 5: Blower Motor Resistor
Table 6: Blower Speed Switch
Table 7: Main Fan Motor
Table 8: Auxiliary Fan Motor
Table 9: Refrigerant Pressure Switch

A/C Compressor Control Module


Object Number: 334473 Size: CH

Connector Part Information
    • 90980-10801
    • WHT

Pin

Wire Color

Function

1

YEL/BLK

Dual Pressure Switch Signal

2

--

Not Used

3

RED/BLU

A/C Cutout Signal

4

WHT/BLK

Ground

5

YEL

Ignition Positive Voltage

6-7

--

Not Used

8

YEL/RED

A/C On Output Control

9

BLU/BLK

A/C MG Relay Control

10

--

Not Used

A/C Compressor Clutch


Object Number: 334405 Size: CH

Connector Part Information
    • 90980-98150 GR
    • GRY

Pin

Wire Color

Function

A

BLU/YEL

A/C MG Relay Output

B

WHT/BLK

Ground

A/C Switch


Object Number: 334410 Size: CH

Connector Part Information
    • 90980-11280
    • BLK

Pin

Wire Color

Function

1

WHT/GRN

Illumination Lamp

2

--

Not Used

3

GRN

Lights On Signal

4

WHT/BLK

Ground

5

YEL

A/C Request

6

BLU/RED

Heater Relay Output

Blower Motor


Object Number: 334431 Size: CH

Connector Part Information
    • 90080-98151
    • BLK

Pin

Wire Color

Function

1

BLK/WHT

Blower Motor Resistor Control

2

BLK

Heater Relay Output

Blower Motor Resistor


Object Number: 334433 Size: CH

Connector Part Information
    • 90080-98149
    • GRY

Pin

Wire Color

Function

1

WHT/BLK

Ground

2

BLK/WHT

Low

3

BLU/BLK

Medium 2

4

RED

Medium 1

Blower Speed Switch


Object Number: 334424 Size: CH

Connector Part Information
    • 90080-10877
    • BLK

Pin

Wire Color

Function

1

WHT/BLK

Ground

2

--

Not Used

3

BLU/ORN

Heater Relay Control

4

RED

Medium 1

5

BLK/WHT

High Speed

6

GRN

Lights On Signal

7

WHT/GRN

Illumination Lamps

8

BLU/BLK

Medium 2

Main Fan Motor


Object Number: 334401 Size: CH

Connector Part Information
    • 90980-10928
    • GRY

Pin

Wire Color

Function

1

WHT/BLK

Ground

2

BLK/RED

Fan No. 1 Relay Output

Auxiliary Fan Motor


Object Number: 334401 Size: CH

Connector Part Information
    • 90980-10928
    • GRY

Pin

Wire Color

Function

1

WHT

No. 2 Fan Relay Output

2

BLU/RED

Auxiliary Fan Control

Refrigerant Pressure Switch


Object Number: 334403 Size: CH

Connector Part Information
    • 90980-10943
    • BLK

Pin

Wire Color

Function

1

BLU/RED

Heater Relay Output

2

LT GRN

Ground

3

BLU/BLK

Fan No. 2 Relay Control

4

YEL/BLK

Pressure Signal to Amplifier