air flow problem

1998 BUICK PARK AVENUE
165,000 MILES
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NAYLOR
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Airflow only coming out of defrost area.Was working fine until I was tightening a loose ground connection from battery to engine.Sparks flew,didn't take positive post loose(duH).after that was when the problem started.I think it must be a fuse but owner's manuel doesn't list one,
May 28, 2012 at 2:41 PM
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HMAC300
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check yoru actuators on the heater, that controls direction. there are two of them i'll send a generic pic along. the are eitehr electric or vacuum operated, they can be stuck or not working at all
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Aug 6, 2019 at 10:23 AM
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KHLOW2008
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Is your vehile equipped with manual or auto HVAC?
Aug 6, 2019 at 10:23 AM
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NAYLOR
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Auto HVAC
Aug 6, 2019 at 10:23 AM
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NAYLOR
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How are the vents controlled.It must be elect. since this only started after what I stated in my original quest.
Aug 6, 2019 at 10:23 AM
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HMAC300
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three fuses in junction block in car a test light cancheck them without pullling them out.
Aug 6, 2019 at 10:23 AM