Question about 2004 Chevrolet TrailBlazer

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Changing Headlight bulb

How do I go about changing the headlight low-beam bulb ? I've changed on many other vehicles but cannot seem to figure this one out.

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  • Anonymous Nov 16, 2008

    2003 trailblazer headlight blb

  • Anonymous Nov 17, 2008

    no instuctions in owner's manual for changing the headlight

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Okay it is actually really easy althought they wouldn't want you to think so. It took me and my husband like 3hours to figure it out. But we did and now were like duh. If you open your hood and stick you hand down the front to where you are right behind the headlight if you feel around you will find that there are like caps over the place where you should be able to get your bulbs out. what you have to do is get a small flat head screw driver and pri the cap off and take out your bulb. It sounds worse than it is i promise and the only hard part is getting your hands on the caps

Posted on Nov 19, 2008

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1 Answer

I have a warning that indicated left low beam malfunction. How do I resolve this issue.


  • It means the low beam is out on the left side of your vehicle. You will need to replace the bulb and things will be back to normal.
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Regards, Tony

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1 Answer

How do i change headlamp bulbs


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I need to change the low beam headlight bulb


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1 Answer

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Disconnect the connector.
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  2. Release the bulb securing spring, and remove the bulb.
  3. Replace the bulb, and connect the connector securely
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