Question about 2008 Chevrolet Trailblazer

1 Answer

Left turn signal only works sometime

Right signal works fine;but left only works sometime

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  • 166 Answers

It's likely that moisture intrusion over time has corroded the socket and/or the base of the bulb causing an intermittent open circuit.

Clean the socket with a small tubular shaped wire brush* and compressed air. Install a new bulb.

*The wire brush used to clean the inside of a 1/2" copper tube fittings prior to soldering. Hardware & Home Improvement stores have them.

Posted on Dec 12, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Chev Cavalier 2003 only one rear turn/brake/hazard light

I have a 2002 Chev Cavalier that had the same exact problem. I replaced the bulb harness (purchased from a chevy dealership for around $5) which was fairly easy to do. I have had zero problems with it since.

Posted on Dec 03, 2008

  • 10 Answers

SOURCE: 2004 Cherolet Malibu turn signals work sometimes

the switch in the column has dirt in it or is coming apart most likely.always replace bulbs and flasher(s)
first ,then column switch before spending any money on signal diagnosis. for 15$for bulbs,flasher,20-40$switch,you 90%would have solved problem. gino r.

Posted on Mar 22, 2009

SOURCE: 93 S10 left turn signals not working

Have you tried replacing the flasher? You'd think neither side would blink if the flasher was bad but I've seen this happen and it turned out to be the flasher. You could swap the signal flasher with the 4 way flasher to verify that's the problem before going out and buying one. Should be a few bucks at the parts store.

Posted on Apr 16, 2009

kidspeedy
  • 321 Answers

SOURCE: left rear turn signal light on my 1999 chev. s10 is not working

any increase in bink speed is direcly related to a bulb being burt out.

Posted on Jun 12, 2009

dttech
  • 4803 Answers

SOURCE: I tried replacing the right rear turn signal

The circuit boards in Chevrolet tail lamps ar notorious for going bad. Dorman makes a replacement circuit board, part number 70006 . the same part number will fit either the left or right side of your Trailblazer.

Posted on Nov 24, 2010

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Related Questions:

1 Answer

Left turn signal dos not work on outside


What is year--make--model?
If the right side works fine, have to check turn signal switch and wiring. Sometimes, at the turn signal switch, you can use a jumper wire on the proper wire terminals and make them turn signals dance. The jumper just bypasses the switch, so if it works, I think the switch is the problem.

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1 Answer

Why does my turning signal only work sometimes?


first lets check each left light for operation using the emergency flashers.. see which one may be malfuntionig and fix it first..if all work fine then its a switch problem which is in the upper steering column area behind the steering wheel..if you dont feel comfortable repairing it yourself, its a job foe an electrical shop(dealer cost is very high) it sounds like the posibility exsists that the switch may be worn or broken inside.. steering wheel must be removed to address the issue on most models good luck...

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Both fron turn signal flash when selecting a right or left turn, but rear lights work fine.


check the elements in the light bulbs sometimes they short together

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Where is the turn signal flasher located?


You more likely have a bulb that is no good. The next time your signals aren't working, pull over and check to see which bulb isn't working. Make sure the turn signal is on while checking. It should only be the left or right. Not both. Sometimes you can see the blown bulb with the hazards on depending on your model vehicle. Simply check the bulb thats not blinking for a tight fit. Then replace it if thats not the cure.

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possibly flasher unit faulty
or turn signal switch

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Left turn signal doesn't work some times.


signal switch replacement is a common issue, i've replaced 5 so far.

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Sound like the turn signal switch is bad,also check the harness if you have an aftemarket tow hitch.

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sounds like it needs a turn signal switch

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