Question about 2003 Chevrolet Avalanche

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Changing a headlight on 2003 avalanche

I need to know how to change a lowbeam headlight on a 2003 avalanche. Do I need to take the front grill off?

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  • Anonymous Mar 23, 2014

    i need to change my headlight sencor and i will like to know how to do it my self


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  • 1,450 Answers should see a pin on top of headlight remove this pin and light will come out and you can change bulb. it may have two pins not sure they changed around that year you will turn pin out of its holder and then slide it out if it is two they will be vertical if it is one it is horizontal

Posted on Dec 11, 2008

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Need to change front running light/ blinker bulb on my 2003 chevy trailblazer , how do i do it ?

Your grille and chrome bar are held to your truck with eight clips. You can see the top clips if you look. First VERY GENTLY!!! start pulling your grille until you start popping those clips out. Keep an eye on your chrome bar, because it is clipped into the headlight. GENTLY pull on the chrome bar at the headlight until the clips come off, then work your way over to the other headlight. The goal is to be take your time and be gentle until you have all the clips released. Set your grille aside(be careful not to scratch it). Each head light has two metal tabs on top of it, the outer tabs are slightly hidden in the fender. If you pull these tabs up, it will release the headlight from the frame of the truck(be careful not to let the headlight fall out and scratch your bumper). Once you have the headlight assembly out, you can access the blinker bulb sockets.

Jul 26, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

No lowbeam headlights...bulbs have been replaced but still no lowbeam

The 2003 Trailblazer has separate fuses for each headlight. Check the fusebox under the hood near the battery. A complete diagram showing you where the low beam fuses are can be found in your vehicle owner's manual.

Nov 27, 2009 | 2003 Chevrolet TrailBlazer

2 Answers

Honda Odyssey 2002 Headlight Issues

check the wire connection for your lowbeams

Mar 19, 2009 | 2003 Honda Odyssey

1 Answer

How to replace the pigtail wire harness for the lowbeam

Well you need to take or loosen up the front bumper and grille. tkae out retainers up top and then bolts at fender edges and at the bottom of bumper if you need more go to

Mar 09, 2009 | 2002 GMC Envoy XL

1 Answer

I need to change lowbeam headlight on Chevy Avallanche.

should be two pins running downward above the headlight try looking at it from above and see if I am correct there is two pins you need to pull up on then remove the whole headlight .. thanks Jerry holler if you need more.

Feb 05, 2009 | 2003 Chevrolet Avalanche

1 Answer

Headlight on 2003 Honda CR-V

did you check the ground side to see if the socket is grounded

Dec 29, 2008 | 2003 Honda CR-V

1 Answer

I need to know how to change a lowbeam headlight on a 2003 avalanche

you need to verify whick light is the low on each side. Then take a look and see what is behind the case that holds it. Most have a screw cap that covers it, with a o ring. Now I don't have a avalanche so I'm hoping its close to the same. Look at whats behind the cap if it needs to be removed guess what I had to remove my entire air intake box for the filter. Get to it.

Now Here is the most important part. take a look at how its kept in there. There will be some sort of clip. It will go in a special way. Take a picture, do not forget how this goes in. The first time it took me over 2 hours to put this clip back in. But Do not touch the bulp with your bair hands. Use gloves. pull the bulb, and replace it. Now put the clip back in (this is the hard part) after that is done. Put the cap with the o ring back on and put what ever else you had to take off to get the screw cap off.

Good luck


Dec 11, 2008 | 2003 Chevrolet Avalanche

1 Answer

Removal of headlight housing to replace lowbeam bulb.

found this online- haven't tried yet though--
How do you change a headlight bulb on a 2003 Toyota Celica GT? Under the plastic covering the headlight there is a lot of fog and condensation and I want to clean it off, so how do I take off the plastic that covers the headlight?
  • 9 months ago
Seem to be seal is wear off
already on the front cover
The way to open that
1. There is four screws at the back of
the headlights and unscrew them
2. Pull the headlight and dry it
by wiping or heat of the sun or
anything that can release the fog
3. Buy silicon and seal the headlight
gap with silicon and let it dry for a hour
This will help kept away fog
and condensation for sure

Aug 24, 2008 | 2003 Toyota Celica

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