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On my 2005 Chevy trailblazer my headlights are automatic, randomly when I'm driving they turn off on my and my high beams still work. I checked the fuses they still work. Can someone please help me?

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Check the fuse box in the front by the engine
The fuse box have a headlight relay and they are two of them probably are already old cost about 8 dollars each to be replace
Will probably resolve the problem
Also check in the fuse box all wires are well in contact

Posted on Nov 27, 2014

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I am not familiar with your vehicle but does the headlight switch have an on and a automatic position? If not I would suspect the the light sensor will be your problem.

Posted on Nov 27, 2014

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They are controlled by a photosensor, my subaru legacy does the same thing, switch from running lights to main headlights when in auto mode, if you want to leave the lights on all the time switch out of auto mode

Posted on Nov 27, 2014

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Posted on Jan 02, 2017

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SOURCE: how to change bulb on drivers side low beam head light

My niece has a jimmy, they should be the same. The inside should be the high beam, the outside the low, DO NOT TOUCH THE GLASS ON NEW BULBS! Oil will cook on them and pop them! Both come off the same way. Take off the big rubber thing. They are soft but over hard plastic. Just pull them off. If you have trouble, you can flip the little wire clips that hold the headlight housing in place, this will give you room to see the rubber caps enough to figure them out better. The bulb assembly rotates CCW counter clockwise, and should slip out easily. Take the wires and plug off. it should be obvious how it pulls off. Snap the new bulb into the wires without touching the glass part. Gently replace in backwards order as you removed it. Put the rubber caps on, they keep water off the bulbs. It will break them!

The passenger side was harder for me. I had to take the air cleaner off, the whole cover and filter.You should be able to see or feel the same type caps, The low beam outside, High beam inside. The same 2 wire clips are there to release the housing. Everything pretty much goes the same, other than the air cleaner has to be removed and replaced. And make sure the rubber cap is replaced! Good Luck and good motoring!

Posted on Dec 19, 2008

djicenova
  • 319 Answers

SOURCE: low beam headlights not working

check voltage at switch

Posted on Mar 18, 2009

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SOURCE: Headlights won't turn on

Try following the ground wire from the bulb to where it makes its ground. remove the ground connection, clean the terminal, the ground point where it makes a connection and reassemble it all. Sometimes you have power being delivered but the ground side isn't providing a good path for the current.

Posted on Jun 10, 2009

  • 1 Answer

SOURCE: Jeep Headlights not working. High beam works

had the same problem on my 92....check under the hood on the drivers side,towards the front,there is a "junction box" with all of the lighting wires connecting from the switches to the lights.My wires were all corroded inside,so I cleaned the ends and bought a new box from the local electronic supply store.The problem has not come back.

Cheers

Posted on Jul 15, 2009

  • 1 Answer

SOURCE: Headlights do not work

It cost me just under $700.00 to have a dealership replace the headlight control module.

Posted on Nov 26, 2009

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Need to check the ground path on the squealing relay. A poor ground will cause this condition.

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Try changing the bulbs. No. They didn't both burn out at once. You probably drove for a while with one headlight, and didn't know it.

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Check the connectors that go to the headlight bulbs to see if they are burned or melted. Low beam lights are on longer than high beams. The heat buildup around the connectors normally melts them.

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2005 chevy trailblazer why would low beams work but not high beams


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Dec 01, 2009 | 2006 Chevrolet Trailblazer Ext

1 Answer

2005 trailblazer headlights go off ocasionally


the click you are talking about is the high beam relay.
you nedd to get a tester or voltmeter and check the sockets for 12v.
there has been instances where both low beam bulbs went at once.
do the daytime running lights work?
if not,supect the daytime module...it is also wired into the parking brake.
if you put the park brake on first,then start the vehicle,the dtr do not come on

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