Question about 2003 Chevrolet Impala

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Lighting when i switch over to high beams all of my lights go out, when switch back the low does not come back on untill i play with the switch, also my back lights on the odmoeter, and radio go in and out. I have checked all of the fuses and they seem to be good.

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My car did this as well. It was the switch itself that eventually shorted out cause another wire to short out. It costs me about $1500 in damages since my car was no longer under warranty. I would say bring it to the dealership ASAP.

Posted on Feb 11, 2009

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I think you'll find that the switch is the problem. I've seen this problem before and the switch was the trouble 95%of the time.

Posted on Oct 21, 2008

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1 Answer

Left operating headlight not working


the switch supplies power to the relays that switch on the lights according to the position you have it at
so on high beam there will be 2 high beam lights working
on low beam there will be 2 low beam lights working
back to passing lights or flashing head lights , both beams will work so the switch is the last item to consider
Now with only one side beam not working it comes back to the ground on that light for that bulb
remember that electricity follows the path of least resistance so it the ground is bad the current will ground out through another point including a light which will switch that light off or make it not work
remember the brakes light that flask when an indicator is used --same thing

Jan 24, 2016 | 2000 Nissan Maxima

1 Answer

High beam do not work at all low beam works fine when switched to high beam no lights at all


I suggest you first check the bulbs. It isn't unusual that both bulbs fail together.
If the bulbs are ok refer to the vehicle handbook and check the fuse(s).

If those are ok it is time to move onto the supply and check it through with the aid of a wiring diagram. The fault could be a relay or the dipswitch, wiring, connections...

It is worth noting on later vehicles electrical equipment is not switched on with the light, wiper, heater switches but these merely instruct a local black box to send a signal to other black boxes to perform the desired function. In the case of problems a dedicated scan tool will be required for diagnosis.

Aug 10, 2015 | Cars & Trucks

1 Answer

Why are Dashboard lights not working on high beam?


check the dimmer switch, I had the same problem. this dimmer switch didn`t dim on low beem but went out on high beams, turned the dimmer switch up and down/on and off and it came back on.

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1 Answer

Headlights I have a 2001 impala my head lights are not working on low beam. I have replace the relay fuse still nothing. lamp switch does not come on. I have a day time mood an this is not working until I...


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 ?

May 28, 2013 | Chevrolet Impala Cars & Trucks

1 Answer

Light switch ( signal cruise and wiper also)


its the light switch (combination switch) needs to be replaced

Jun 18, 2012 | Cars & Trucks

1 Answer

Both headlights do not function on low beam but


there is a bad connection in the switch or the multifunction switch is bad

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2001 Ford Focus - High beam / low beam problem with headlights


just replace the dimmer switch under the column its wore out on the low beam side

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2 Answers

My low beam lights sometimes stop working i still have high beam and daylight runing lights after a while they come on.2009 elantra dealer can't find problem.


when the low beams quit try switching from high to low and back and see if low beams stay on, if they do it may be the dimmer switch, if that doesn't change anything suspect the headlight switch.

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1 Answer

Headlights staying On


You probably have a faulty sentinel switch. It's supposed to shut off, has a bult in elctronic timer. Does it even have the sentinel switch?

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