Question about 2006 Chevrolet Trailblazer

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Low beams i am having trouble with my 2006 trailblazer, my low beams do not work. Any suggestions on what the problem can be?

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  • gilli313131 Sep 03, 2008

    Had the same exact problem with mine. One night low beams just quit working. In the relay box under the hood there are 2 relays with the same part number. One is the headlight relay the other is for the fan. Look in your manual and it will tell you which is which. Switch them and see if the lights work. If so just buy a new one and replace the one for the lights. That is all that I had to do and it worked.

  • Anonymous Nov 21, 2008

    Had the same problem, thanks to gilli313131, solved the problem. Trucks under warranty but don't mind spending the 40-50 bucks for the time in the shop trade off. Thanks dude. Paul Simon, Nine Mile Point, LA.

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  • Chevrolet Master
  • 5,568 Answers

They are most likely separately fused so you don't lose both high and low at once and I would check there first.
If the fuses are good, locate and pull the relay(s) that directly control each set and there may be two of them, one to let you
blink to pass.'
Your car is new enough so that corrosion should not be a problem but a relay could easily fail at any time.
As crappy as they are typically made, it's a wonder they work at all.

Posted on Jul 17, 2008

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