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Turn Signals Won't work

Discussion in 'Technical Chat' started by florida1007, May 30, 2012.

  1. May 30, 2012 at 1:26 PM
    #1
    florida1007

    florida1007 [OP] New Member

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    2007 Tacoma bought used. I tow regularly and noticed yesterday the left turn signal on the trailer wasn't working. Today, it started working again, then the hazard lights wouldn't work on truck or trailer and now after checking and replacing applicable fuses, turn signals on truck and trailer do not work. Disconnected harness to trailer and still no turn signals on truck. Even the instrument panel turn signals do not come on. Any suggestions?
     
  2. May 30, 2012 at 1:28 PM
    #2
    Aw9d

    Aw9d That one guy

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  3. May 30, 2012 at 2:10 PM
    #3
    Robertgeejr1

    Robertgeejr1 Well-Known Member

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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    if they work when you DON'T have the trailer wire plugged in, that is one problem, but if its when you have the trailer plugged in then you have a short in the trailer wiring.
    i have done this many times working for a trailer builder, finding a short is not fun.
    if its the trailer, you have to get the trailer plug and one at a time separate, lights, turn lights, (2) brake lights, one wire is the ground, usually not that.
    then you have to try to find where the wire is grounding out.
     
  4. May 30, 2012 at 2:36 PM
    #4
    florida1007

    florida1007 [OP] New Member

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    Not trailer related. I just checked it again....now the turn signals on the instrument panel work, all turn lights work except one. I'm wondering if it is somehow related to the hazard lights, as when they are "on" that's when everything starts going array.
     
  5. May 30, 2012 at 2:37 PM
    #5
    florida1007

    florida1007 [OP] New Member

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    PS - the turn signal that doesn't work is on the trailer
     
  6. May 30, 2012 at 2:43 PM
    #6
    Robertgeejr1

    Robertgeejr1 Well-Known Member

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    Aorora, Ill, yeah!
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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    ok, this is a long shot, and its been awhile since i have done wiring, but I have run across a bad or burnt out flasher. we had a ford f350 and the trailer had a short in it, and it shorted/burned out the flasher in the truck. thats the best i can remember, and no idea where one is on your truck, but that is what i would check out.
    but it killed the turn sig. and emerg. flashers.
     
  7. Jun 2, 2012 at 8:42 PM
    #7
    aptech

    aptech Jetfixer

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    :rofl:
     
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