Question about 2000 Buick Regal

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Ventilation system - fan and airconditioning does not come on. ? no power, fuses look good. ? do I check under the hood as well as fuses on the passenger side inside door frame?

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If you have a test light available unplug the blower motor which is on the passenger side below the glovebox just to make sure the blower is getting power. If it is not getting power at the plug unplug the blower resistor to see if that is getting power.If the resistor is getting power then your losing power between the resistor and blower.Also when checking the blower motor try tapping on it to see if it will come.If it does then the problem is in the pigtail or with the blower motor itself. I would check all locations of fuses.One should be label blower/heater. Feel free to provide feedback if more help is needed.Wiring diagrams,fuse locations,etc.

Posted on Oct 24, 2010

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It is too new for it to be a worn out fan motor so it must be either a fuse blown or a bad swithch. Check the fuse first - it's easy and cheap to fix so always try the easiest fix first.

Now I am assuming you do not hear the fan blowing. If I am wrong let me know.

If the fuses check out (look for them under dash and under hood) then you can take the switch out and test it with a volt meter. Hook up the two leads from the switch and see if you get continuity when on and also at each speed. I have seen fans work at only one speed and not the others.

Does it work at any speed? Or does it simply not come on?

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