Question about 1997 Buick Century

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Ac/Heat doesn't work when I turn it on....

I checked the fuses and only one fuse has blown..... the High blower fuse needed to be changed but the low blower fuse was ok. I changed the high blower fuse but it blew again. Could it be the blower motor ?

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Blower motor or resistor.

Posted on Jul 29, 2009

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see this steps and fix it. God bless you

Start the car and turn the air conditioning on. Allow the engine to run a few minutes so the air can cool. Check to make sure you have the proper buttons selected. This simple step may uncover the root of the problem.

  • 2 Adjust the air controls on the dashboard to see how they are working. If the controls move the way they should with the proper amount of resistance and stopping in the right places but have effect on the air, then the problem may as simple as a blown fuse. If the controls are not working at all, then the problem is in the control panel.
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  • 4 Find the control panel by prying off the top instrument panel around the air conditioning temperature controls. Unscrew four screws, one in each corner, and remove the temperature control panel. Unplug four electrical connectors and one vacuum hose to the control panel.
  • 5 Listen for the blower motor to be properly working while the engine is running and the air conditioning controls are turned to high. Adjust them from low to high to make sure the blower motor noise increases and decrease accordingly.
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