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Hvac not working but an electrical motor sound in the dash when key on.

  • 1997
  • Boxster
Mileage: 
100 000
Heating and Ventilation
Winnipeg, 
Manitoba

The hvac hasn't worked since I bought the car. Checked fuses and relays, all ok. Replaced control panel as pixels were missing. All buttons work to make functions move on the panel but actual items don't function, except the snowflake dosn't light up. AC compressor dosen't come on. I checked the ac low pressure side and pressure was good. Now the really wierd thing is that a motor under the dash is costantly running when the ignition key is on. I'm baffled.Any ideas? 

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