Question about 1985 Chevrolet Chevy

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The heater why does my heater only blow when i get on the freeway?

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  • itwistwrench May 11, 2010

    Can you not feel any are moving or is it just not warm?

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Could also be the fan switch, just pull the dash apart and find the hot wire going to the switch, then check and make sure you have 12 volts with a volt meter, with the key on of course, if you do then jumper that to one of the wires going to the fan, if that works its your switch, if it doesn't its the motor. If you don't have around 12 volts for the hot you may have a short or just a bad wire. Again use the volt meter and trace that wire back to its source until you find the problem. Hope this helps!!

Posted on Feb 13, 2009

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Chevy what? The air is coming in from driving, Is your blower motor working?

Posted on Feb 13, 2009

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