Question about 2003 Chevrolet Impala

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When i turn on high beams sometimes my lights just go off. I then just keep flicking switch until lights come back on, 2003 impala. I also am having a problem with my selector switch that controls my defrost or other settings. Now no matter how I select my air to go it is stuck on one position. thanks for any help!!

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The turn signal/multifunction switch is defective, the other problem is a vacuum loss at the AC mode control switch or the vacuum switch itself (part of the AC control in dash), check the vacuum resovior under the hood gfor leaks and make sure the vacuum reaches the switch in the dash.

Posted on Jul 28, 2009

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ok when push the lever forward the high beams don't stay on ? then that lever should be replaced cause that's ur dimmer switch to switch between high/low beam lights if the lever is bad can surge you headlight and blow the headlights, have you check headlight bulbs its rare but it has happened that both blow at the same time

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Pulling on the turn signal switch is called "flash to pass" and you are activating the high beam lights.
Have you checked to see if you have power in and out of the dimmer switch on low beam ?

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I was driving and flicked on my high beams and then my head lights went out on my 2004 impala. I turned the switch and they still would not work


One of two possibilities; a blown fuse - check ALL your fuses OR the dimmer switch (lever to flip between hi/low beams) is shorted out and will need to be replaced.

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The bright light dimmer switch will need replacing

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