Question about 2002 Ford Windstar Cargo

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Seems to have no power going to a.c. compressor

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Compressor uses a clutch that is activated electrically by a relay. When you turn on the A/C, you should hear the clutch engage and pull power from the engine. If the clutch is not engaging, there may be several reasons:
wiring problem
HVAC switch failure
relay failure
compressor clutch failure
low refrigerant level

There is a sensor that checks the system return pressure and will not allow the clutch to engage if the refrigerant level is too low.

Posted on Aug 23, 2010

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