Question about 2003 Cadillac CTS

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THE LOW BEAM WORK BUT THE HIGH BEAM DON'T DASH LIGHTS VERY DIM

LOW BEAM WORKS BUT THE DIMMER SWITCH COMES ON BUT THE HIGH BEAM WANT WORK AND THE HEAD DASH LIGHTS VERY DIM

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  • Contributor
  • 25 Answers

YOUR DIMMER SWITCH HAS SHORTED OUT CAUSING IT TO STAY IN THE CLOSED POSITION THE DIMMER SWITCH OR ACTUTATOR IS LOCATED UNDER THE STEERING WHEEL PANEL JUST ABOVE THE BRAKE PEDAL ON THE COLUME CALL OR GET ON LINE TO AUTO ZONE AND LOG ON AND YOU CAN GET A PRICE CHECK FOR A DIMMER SWITCH ACTUATOR LISTED UNDER PARTS REPLACEMENT IN THE ELECTRICAL SECTION

Posted on Mar 27, 2014

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Posted on Jan 02, 2017

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  • 120 Answers

SOURCE: LIGHTS

dimmer switch is bad

Posted on Feb 13, 2009

SOURCE: low beam head lights won't work

Check your relay switches under the hood fuse box. They should be a light grey from factory, they are about 1 x 1" in size and there are a few in there. Pull one out at a time and if they look brownish or yellowing replace. Go to Napa or Auto Zone for $15.99 a peice that most likely will fix it.

Posted on Mar 24, 2009

emissionwiz
  • 76649 Answers

SOURCE: High beam dimmer switch on a 1989 Cadillac Seville

The dimmer switch operates an actuator that pushes on a rod and then that rod goes down the steering column and pushes on the actual dimmer switch which is near the bottom of the steering column, u will need to remove the trim under the steering column and then the must remove the 2 nuts that hold the column to the bottom of dash, carefully lay the column on the seat and then u will have access to the dimmer switch, actuate the switch and see if the rod moves, if it doesn't then u must replace the dimmer switch rod actuator plastic piece at the top of the column, if it does move up and down either the dimmer switch has come loose or the dimmer switch is defective.

Posted on May 19, 2009

  • 155 Answers

SOURCE: 1998 cadillac deville high beam head lights only

Classic switch problem. Replace your switch and this will fix your problem.

Posted on Jun 11, 2009

subikid90
  • 180 Answers

SOURCE: 1998 cadillac deville. i do not have low beam

No the dimmer switch doesn't change high/low beams just interior lights. Did you try changing the bulbs?

Good Luck,
Subikid90

Posted on Mar 04, 2010

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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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Sounds like a wiring problem. You may need a repair book to track it all down. Could be a ground connection too.
The headlight switch sends power to the dimmer, then thru the body control module, then the high and low beam relays, then the four fuses, then the actual headlights. So you should have power on the low or high beam fuses depending on which way the dimmer switch is positioned.

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If the low beam filiments are burned out only the high beam will work.
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It's not high and low beam, it's the dash lights that are dim. I've hooked up many aftermarket radios but never knew it was a no no to hook up the dimmer/illumination orange wires in a '01 civic. I googled it and seen many others with similar issues like mine but nothing exactly like the issue I have.

All the dash lights work, they are dim though. The radio lights work but they are even more dim than the rest of the dash lights. I have check every single fuse under the dash and in the engine bay. The dim controller does not work at all now. I'm guessing that's the issue and from what I read, the dimmers circuit board is in the instrument cluster. Some can fix it, others can't.


I will probably end up buying a used instrument cluster off of ebay, they are not expensive. Hopefully that fixes it since everything else works.


Oh, yes, the brake lights work.


Ted, I think you answered the wrong question...I mentioned nothing about the battery or the low/hi beams

Aug 13, 2012 | 2001 Honda Civic

1 Answer

I have 2006 grand prix and the bright lights wont come on. I move the blinker lever forward and the low beams stay on but i get the blue bright light on the dash, checked fuses all seem to be okay


do you hear the click of the dimmer switch when you move the lever if you do then the steel rod that goes from the lever to the switch itself is working and the switch is moving from the low beam to high beam circuit.if the blue dash indicator is on them power is coming out of the switch to the dash to operate the light.its possible that the dimmer switch may need to be adjusted a little if you don`t hear the click but moves enough to put the dash light on but not enough to turn the high beams on,that is possibly why the low lights stay on.or you have a bad dimmer switch itself

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1 Answer

My low beams do not work consistently


Dimmer switch could be the cause. They are cheap and quick to replace. If that isn't the fix then try replacing the head lamp switch on the dash; if your dims worked for a moment, even just once, then the wiring is probably not the problem.

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1996 ford ranger headlights not working


It's the dimmer switch in the column.

Jan 06, 2009 | 1996 Ford Ranger SuperCab

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