Question about 2004 Chevrolet TrailBlazer

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How can i change the low and high beam bulbs on my 04 trailblazer

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The Bulbs are replaced from the rear of the light assembly. YOu have to pull off the rubber boot then disconnect the Wiring and turn 90 Deg to release.,

When installing carefull not to touch the glass of the new one with your finger or you will cause it prematurely fail.

Jason

Posted on Jul 15, 2009

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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

  • 1311 Answers

SOURCE: low beams on my 2004 trailblazer will not operate

Replace Relay #46 in the underhood fuse panel.

Posted on Sep 25, 2010

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1 Answer

Have high beams no low beams


Check the headlight bulbs first. They have both the high and low filaments, if you have one bulb per side. Some may have a separate high bulb and low bulb. Regardless, the lows can burn out and the highs will still work.

Nov 02, 2015 | 2004 Chevrolet TrailBlazer

1 Answer

Lights will not turn on


HEADLIGHTS NOT WORKING


It can be faulty headlight switch or issue with its wiring. Or its faulty head light fuse.


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To troubleshoot the issue i suggest you few help links with appropriate solution. So you can follow the test and confirm what exact problem is there in your case of headlights not working:-----

Click the link below: -----


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http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html

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http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-bulb.html

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These will help.

Thanks.

Nov 28, 2012 | 1986 GMC K1500

2 Answers

I have a 1995 Ford Explorer Limited and the high beams work but the low beams and fog lights do not, please help....


These trucks are known for bad multifuction switches.
the switch that i talk of is the signal switch , the handle is the switch, it bolts to side of steering column . this switch controls the signals and the headlights and high /low beams. the other thing is the headlight switch connector, the connector some times goes bad and starts to melt or just comes out of the connector. you will need to remove the cover to steering column, the screws are located under the bottom cover in holes. remove cover and check connector and then test for power if you have power going into switch but not coming out then switch is bad.

the last thing is to make sure the bulbs are good , make sure the headlight bulbs are good , and also the driving light bulbs, test for power at the connectors to those lights to.
You will need to do a little testing to find the problem.

Nov 22, 2012 | Cars & Trucks

1 Answer

Low beams on 2004 chevy trailblazer wont work but high beams work fine.lights all work automaticly


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.

Oct 26, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

I have no low beam headlights. The high beams work and I have changed the switch and bulbs and checked the fuses. what next


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.

Sep 27, 2010 | 2005 Chevrolet Trailblazer Ext

1 Answer

2004 Chevrolet TrailBlazer. Passenger front low beam headlamp out


FACE THE VEHICLE SO THAT BATTERY IS ON YOUR RIGHT;
2.REMOVE THE BLACK PLASTIC PIECE THAT RUNS OVER RADIATOR BETWEEN HOOD LATCH AND FAN. IT IS ABOUT 53 1/2" LONG AND HOLDS THE HOOD PROP CLIP. (3 PLASTIC PUSH RETAINERS & 2 SHEET METAL SCREWS);
3.REMOVE THE GRILL ASSEMBLY UNDERNEATH THE PIECE IN STEP 2 BY PUSHING DOWN FIRMLY ON 4 RETAINER CLIPS WHICH RUN ALONG THE TOP. USE A WIDE SLOT SCREWDRIVER. PULL UP GENTLY ON GRILL ASSEMBLY. IT WILL POP OUT. THE GRILL ASSEMBLY EXTENDS UNDER EACH HEADLIGHT ASSEMBLY (HA) AND IT DISPLAYS THE CHEVROLET LOGO IN THE MIDDLE. MY GRILL ASSEMBLY POPPED OUT EASILY AND ALL THE OTHER RETAINER CLIPS ON THE BOTTOM AND BENEATH AND TO THE SIDE OF HA WERE AUTOMATICALLY RELEASED WITHOUT ANY FUSS;
4.ON TOP OF HA SEE ONE TAB (ABOUT 1" LONG)ON THE RIGHT SIDE AND ONE ON THE LEFT (THE ONE ON L IS CLOSER TO THE FENDER);
5.PULLUPWARDDIRECTION ON TABS. THEY WILL SLIDE UPWARD A COUPLE OF INCHES AND WILL RELEASE THE HA WHICH YOU CAN THEN PULL OUT TOWARDS YOU;
6.AT BACK OF THE HA, REMOVE 2 ROUND RUBBER CAPS (ABOUT 4" IN DIAMETER)--ONE FOR LOW BEAM--ONE FOR HIGH. REVEAL BULBS. UNSNAP THE WIRE HARNESS FROM BULB BASE AND TURN BULB 1/4 TURN CLOCKWISE (REMEMBER YOU ARE FACING THE TRUCK)
7.REPLACE BULB(S). #9006 BULB IS GRAY-BASE, FOR HIGH BEAM ON OUTSIDE. #9005 IS BLACK-BASE, LOW BEAM TO INSIDE OF HIGH BEAM.
CHANGING HIGH AND LOW AND REASSEMBLY TOOK ABOUT HALF HOUR. GOOD LUCK. ALTERNATIVE: IF YOU ARE REPLACING THE PASSENGERSIDE HEADLIGHT JUST REMOVE THE AIR FILTER COVER AND PULL PLUG OUR FROM BEHIND HEADLIGHT AND REPLACE. BE CAREFUL HANDLING LIGHT BULB. TO CHANGE THE ONE ON THE DRIVER'S SIDE JUST REACH IN FRONT OF THE BATTERY TO ACCESS THE PLUG AND HEADLILGHT. TOOK ABOUT 5 MINUTES. ENJOY YOU TRAILBLAZER, GREAT TRUCK.

Feb 20, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

How to change front headlamp bulb? Low beam


  1. Open the hood.
  2. Remove Grille.
  3. Remove the 2 retainers on back of headlamp assembly and remove the headlamp from the sheet metal panel.
  4. Remove the access cover from the rear of the headlamp.
  5. Disconnect the electrical connector from the socket.
  6. Rotate the bulb and socket counter clockwise in order to remove the bulb and socket from the housing.
  7. Disconnect the electrical connector from the socket.
  8. Remove the bulb and socket from the headlamp.
Installation Procedure Important: • Replace a high beam bulb with another high beam bulb. The high beam bulb has a black socket. • Replace a low beam bulb with another low beam bulb. The low beam bulb has a gray tip and a grey socket.

Oct 14, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Low beams dont work. have changed light bulbs and fuses ok.


If your low beams don't work you may have to change your high beam- low beam switch. Take your vehicle to any autozone or similar auto parts store who will scan your computer which will give you all or part of the answer on how to proceed.

Oct 03, 2009 | 2005 Chevrolet TrailBlazer

1 Answer

2004 Chevrolet Trailblazer


First face the vehicle so the battery in on the right.
Second open hood.
Third Remove the Grill by pushing firmly on two retainer clips that are on the top, use the wide slot screwdriver to get the rest of the clips off. Pull up gently on the grill it should then pop out. The grill extends under each headlight assemblymag-glass_10x10.gif any other retainer clips should release when the grill in popped out.
  • Step 2 Fourth on top of the headlight assembly you will see one 1" tab on the right and left side, pull the tabs upward about two inches and this should release the headlight assembly. You then should be able to pull the headlight assembly out toward you.
  • Step 3 Finally at the back of the headlight assembly you will see two rubber caps one for low beam and one for high beam, the white base is for the low beam and the black base is for the high beam. Unsnap the wire harness from the bulb base, turn the bulb clockwise.

    Replace the bulbs high beam on the outside and low beam on the inside.
  • Jun 19, 2009 | 2004 Chevrolet TrailBlazer

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