2004 Chevrolet TrailBlazer Logo
Posted on Oct 20, 2012
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1 have 2003 trailblazer the left turn signal bulb was out i changed it still not working the fuses are good. I noticed the front blinker is blinking very fast all other lights work fin

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Gregory Ferreira

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  • Expert 156 Answers
  • Posted on Oct 21, 2012
Gregory Ferreira
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Joined: Oct 20, 2012
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Use a test light in the socket holder and see if it works.If it does.nt use the light on the supply wire to the socket.If you have current then the socket is shot.Are you certain you did'nt use a defective bulb?

4 Related Answers

Anonymous

  • 35 Answers
  • Posted on Mar 08, 2009

SOURCE: 1997 Cheverolet z71 blinker problem

the most common problem is the light boeard in the tail lights usually replace the board full of bulb sockets and that takes care of it but before condeming the board make sure you are getting power to it

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Anonymous

  • 5 Answers
  • Posted on Mar 19, 2009

SOURCE: Chevy Cavalier 2001 turn signal blinks fast

If new bulbs don't work, it is probably the harness that holds the bulb. I had to replace both on my car after fighting with the problem for over a year and not knowing.

Anonymous

  • 321 Answers
  • Posted on Jun 12, 2009

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.

Anonymous

  • 645 Answers
  • Posted on Mar 26, 2010

SOURCE: left and right rear brake lights are out. center

it sounds like you need to replace the turn signal switch ( also known as a multifunction switch). The brake lights also go through that switch; You will have to remove the cover from around the lower part of the steering column to gain access to the switch.Hope this helps. Please leave comment.

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Hey Derrick,
I do not think the blinkers have a "right" and "left" fuse...Its usually a flasher/blinker relay.
Try replacing the bulbs.. make sure their sockets are clean and able to hold the bulbs tight. If you are not getting both right side blinkers to work and you know both bulbs are good, the switch in the column may be the culprit.

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http://www.rockauto.com/en/catalog/gmc,2003,envoy,4.2l+l6,1415269,electrical-bulb+&+socket,turn+signal+lamp+bulb,13675
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Did you check the bulbs? If one bulb is burned out, the blinkers won't word on that side. You could have one bulb burned out on each side. Start the car, put left signal on. Check front and back lights. Is one light on but not blinking? If that's the case, the light that's not on at all is burned out and has broken the circuit so the good light stays on and won't blink. Check the other side. You also have a 'flasher' , actually 2. One for emergency flashers, one for the turn signals. It could be that the turn signal flasher is shot. You just have to unplug it to remove. It's probably located near the fuses. good luck countrycurt0
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