Question about 2003 Chevrolet TrailBlazer

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My 2005 trailblazer low beam lights turn off by themselves but the high beam works..the fuse and bulbs are new

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Check for loose wires or bad grounds at the dimmer switch.

Posted on Sep 25, 2009

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Why would my Low beams stopped working


If both fuses aren't blown or the lights themselves aren't blown. Then it is the turn signal switch or the wire that goes from the switch the the low beams. I have replaced many switches for GM. But not on Trailblazers.. I just did one for the high beams not working. It was the wires. I just ran a new wire from the switch to the lights.

Aug 06, 2014 | 2002 Chevrolet TrailBlazer

1 Answer

2005 monte carlo drl won't tun on and i have no Low beams too. High beams, turning signals and hazards works. I replaced the bulbs, still drl and low bemas don't work. Checked all fuses and th


CHECK UNDER HOOD FUSE BLOCK FOR FUSES AND CIRCUIT BREAKER AND RELAYS....IF NOT IT IS AN ELECTRICAL DIAGNOSES. USE A MULTI METER TO SEE IF YOU ARE GETTING CLOSE TO 12 VOLTS AT SOURCE!
***NO EASY FIX...ALMOST EVER!!!

Jul 30, 2012 | 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

2 Answers

No low beam lights or daytime lights - high beams work


both low beam ights wont work on my VW 2000 beetle I have checked the fuses, bulbs, and relays what could be the problem

Feb 04, 2010 | 2002 Chevrolet TrailBlazer

4 Answers

My headlights on my 2000 monte carlo does not work


Day time running lights run low voltage to the high beam bulbs so it sounds to me like you need two new bulbs or you need to check the fuses and see if any need replaceing.

Dec 07, 2009 | 2005 Chevrolet Monte Carlo

3 Answers

2005 chevy trailblazer why would low beams work but not high beams


Faulty high/low beam switch. Pretty common on GM cars/trucks... Switch is about $125 plus labor. CHECK YOUR FUSES first. See owner's manual for location(s)....

Dec 01, 2009 | 2006 Chevrolet Trailblazer Ext

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

2005 trailblazer headlights go off ocasionally


the click you are talking about is the high beam relay.
you nedd to get a tester or voltmeter and check the sockets for 12v.
there has been instances where both low beam bulbs went at once.
do the daytime running lights work?
if not,supect the daytime module...it is also wired into the parking brake.
if you put the park brake on first,then start the vehicle,the dtr do not come on

May 13, 2009 | 2005 Chevrolet Trailblazer Ext

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