Question about 2003 Chevrolet TrailBlazer

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Headlight how do you put headlight in driver side 2003 trailblazer?

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Remove the grill first.. it is on snap locks and will pop out .There are 2 slide up brackets on the left and right top of the plastic headlight cover. slide the 2 brackets up the headlight unit will be unattached except for the light wires holding it in place, just unclip them. pop off the rubber cover for the light you wish to change. Twist bulb 1/2 turn to remove. Use gloves so your hands don't touch to bulb.

Posted on Mar 10, 2009

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Do not remove the bumper!!! Behind the headlight there is a black rubber boot that you need to take off (you may need to use a flat head screwdriver to get under the lip) and behind the boot you will find the headlight, turn it a 1/2 turn and it will pop right out.

Posted on Nov 27, 2008

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2 Answers

How do I replace bulb in headlight driver side?


Here is a link to a video on how to do it. It seems complicated, but this guy takes you step-by-step thru it.


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The drivers side is the easy side. Reach your hand down about where the alternator is and then reach behind the headlight. There you'll find round rubber covers that can be pulled off by hand. Then you can twist out your bulb and replace.

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How to put in a headlight on a 2003 Chevy Trailblazer


Hello,
Please follow the stepwise solution carefully.
1.Open the hood and disconnect the truck's negative battery cable.
2.
Remove the grille. Unbolt and remove the plastic panel over the radiator, then use a flat screwdriver to release the clips securing the grille at the bottom to the headlight panel and lift the grill off.

3.
Pull up the retaining tabs for the headlight housing, which are on opposite ends, and carefully pull the housing out. Remove the park/turn signal bulb socket from the housing by detaching the holders and electrical connectors and disconnect the side marker socket.

4.
Take off the circular access cover from the rear of the headlight housing. Twist the bulb in a counterclockwise direction, withdraw the bulb with its electrical connector from the housing and disconnect the electrical connector.

5.
Hold the new bulb by the holder--do not touch the glass--as you connect the electrical connector. Place the bulb in the housing and twist it clockwise to lock it in place. Close the access cover.

6.
Install the headlight housing into the panel, connecting the electrical connectors, signal bulb socket and side marker socket. Push the retaining tabs in place.

7.Reinstall the grille and plastic radiator panel and reconnect the negative battery cable.

Problem solved.


Take care.

Aug 06, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

03 trailblazer driver side headlight our replaced still not on


Check for melted wiring at socket. If aftermarket blue bulbs were used the plug will melt. You can but the plug with wiring and cut old one off.

Jun 17, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

Head light bulb replacement 2003 chevy trailblazer


Simple! (I have the same model as well) Pop off the front chevy grill - it's held on with spring clips. Then look at the headlight assembly - there are 2 slide clips on either side, near the top - they have a tab that is bent forward - lift them UP. It may take a little force as they are usually stiff. The headlight assembly can then be pulled off the car, and the bulbs replaced.

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4 Answers

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Dec 31, 2008 | 2006 Chevrolet Trailblazer Ext

3 Answers

Replace headlight for 2005 Chev Trailblazer


59Shadow.
Thank you for sharing the information on the light bulb. You just saved me money from having to take my 2003 Trailblazer in to have the low beam bulb replaced. I did exactly what you said.
1 Open hood and lock.
2. Take filter cover off (4 screws and they stay with the filter).
3. 3 inch cover pulls off.
4. Twist light bulb 1/8 turn.
5. Unclip the wiring harness to light bulb assembly.
6. Test by turning light switch on.
7. Align assembly with light housing and turn 1/8 until it snaps in.
8. Put 3 inch cover back on.
9. Place filter cover back on and hand tight the 4 screws.
10. Close hood.

Dec 12, 2008 | 2005 Chevrolet TrailBlazer

1 Answer

Headlight


There is a round 3 inch rubber cap directly behind the bulb assembly. Pull it off with your hand or pry it with a screw driver. With that cover off you can reach in and turn the bulb assembly counter clockwise a 1/4 turn then it pops rite out. There is a white clip on the bulb assembly that must be undone to remove the bulb. Re install in reverse order.

Nov 18, 2008 | 2003 Chevrolet Trailblazer Ext

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