1990 Chevrolet K1500 "dehumidifier blowing fuse" Questions

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When I turn the airconditioner on or the defrosters, the heater/airconditioning fuse blows? Any thoughts on where to start looking? Problem is in the a/c circuit. Any time the defrost is on the a/c ...

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Question about Chevrolet 1500

1 Answer

the a/c compressor don' kick off it stays on all the time Make sure you have the windshield defroster off , the cars computer turns the AC on to dehumidify the windshield as it blows in order to speed

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Question about Chevrolet 1500

4 Answers

Air Con Hi, have just bought a 2001 PT cruiser 2ltr petrol,my a/c is working very well but I noticed now that the weather has changed and I am now using the heater that the 2 metal pipes that are ...

...what it does in all modes
the a/c dead will cause fogging in defrost
the a/c used as a dehumidifier, in defrost mode.

but you said heat lost.
so is engine hot? 180f +
are ...

dehumidifier so in the winter when you crank the heat it takes the moisture out of the air to make things heat up faster, There will be a relay switch on the other side of the fire wall inside the cab

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