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Towing harness issue SOLVED!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by projectmoonlite, Nov 16, 2020.

  1. Nov 21, 2020 at 10:38 AM
    #21
    projectmoonlite

    projectmoonlite [OP] Taco noob

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    I do. Got the oil cooler and all.
     
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  2. Nov 21, 2020 at 10:45 AM
    #22
    Muddinfun

    Muddinfun Well-Known Member

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    Thanks. That confirms that Toyota really did use the 4 way flasher harness with the factory tow package and DTRL in ‘12.
     
  3. Nov 21, 2020 at 11:01 AM
    #23
    caribe makaira

    caribe makaira Well-Known Member

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    :hattip:
     
  4. Nov 21, 2020 at 11:52 AM
    #24
    projectmoonlite

    projectmoonlite [OP] Taco noob

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    Does that mean I can no longer bypass the DRL? I wasn't sure if the non-DRL relay and junction block caused the problem so I removed it. I really hate the DRL being so hot and turning the headlight lens yellow.
     
  5. Nov 21, 2020 at 11:57 AM
    #25
    Muddinfun

    Muddinfun Well-Known Member

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    There is a way to disable the DTRL by cutting a wire. You’ll need to search here to find it.
     
  6. Nov 21, 2020 at 12:00 PM
    #26
    projectmoonlite

    projectmoonlite [OP] Taco noob

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    Yea I saw that. And then I saw the one by replacing with base model relays. Guess I'll have to go snipping.
     
  7. Nov 21, 2020 at 1:55 PM
    #27
    nd4spdbh

    nd4spdbh Well-Known Member

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    The question is what got the flasher relay hot like that.

    Do you have a boat trailer? (i always unplug the trailer harness when backing my jetski trailer in the water)

    Also no need to worry about DTRL melting things on the 2012+ trucks.
     
  8. Nov 21, 2020 at 2:20 PM
    #28
    projectmoonlite

    projectmoonlite [OP] Taco noob

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    Yes I always unplug from truck when going into water. Been towing boat since 2005 with my first Xterra to 4runner.

    Coincidence or not, this happened after I put in the non-DRL relay and junction boxes. I can't pinpoint that's the reason why the flasher relay got hot, but I've tow with the Tacoma before and it worked fine. I did the DRL bypass in May of this year and I tow the boat in June and smell the burning. I wasn't aware at the time if the lights malfunctioned or not.
     
  9. Nov 21, 2020 at 2:24 PM
    #29
    nd4spdbh

    nd4spdbh Well-Known Member

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    Hmm weird. Keep an eye out on the new flasher relay when used with the non DRL relay.
     
  10. Nov 21, 2020 at 2:28 PM
    #30
    caribe makaira

    caribe makaira Well-Known Member

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    OP, would you upload a pic of the bottom side of the burnt board?
     
  11. Nov 21, 2020 at 2:42 PM
    #31
    projectmoonlite

    projectmoonlite [OP] Taco noob

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    As for now I went back to factory setting just to make sure I've 100% fixed the issue. I'll tinker with it again in a month or so with the non-DRL relays.
     
  12. Nov 21, 2020 at 2:42 PM
    #32
    projectmoonlite

    projectmoonlite [OP] Taco noob

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    IMG_20201121_164028.jpg
     
  13. Nov 21, 2020 at 2:46 PM
    #33
    caribe makaira

    caribe makaira Well-Known Member

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    :thumbsup:
     
    projectmoonlite [OP] likes this.
  14. Nov 21, 2020 at 2:50 PM
    #34
    nd4spdbh

    nd4spdbh Well-Known Member

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    hard to put the blue smoke back into electronics. Yeah that will do it!
     
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  15. Nov 21, 2020 at 3:58 PM
    #35
    caribe makaira

    caribe makaira Well-Known Member

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    upload_2020-11-21_19-58-29.jpg
    De-pin or cut then tape up...
     
    projectmoonlite [OP] likes this.

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