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H11 to H9 Adapter

Discussion in '3rd Gen. Tacomas (2016+)' started by TriniPhantom, Sep 2, 2019.

  1. Sep 2, 2019 at 3:55 PM
    #1
    TriniPhantom

    TriniPhantom [OP] Well-Known Member

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    Is anyone running the H11 to H9 adapter for their fogs and low beams. I am wondering if the increased current draw would cause any problems to the wiring and housing (due the heat).
     
  2. Sep 2, 2019 at 4:29 PM
    #2
    skierd

    skierd Well-Known Member

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    Hasn’t yet on my truck, in either location.
     
  3. Sep 2, 2019 at 4:30 PM
    #3
    TriniPhantom

    TriniPhantom [OP] Well-Known Member

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    How long you been running it?
     
  4. Sep 2, 2019 at 5:24 PM
    #4
    Tullie D

    Tullie D Well-Known Member

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    I'm running H9 bulbs in my low beams, but not using an adapter. It's a 2 minute job to modify the H9 bulb so that it'll mate up with the H11 socket. The H9 bulbs that I use are 65W, and the OE H11 bulbs were 55W. Not a huge change in current.

    My truck came with H16 bulbs in the fog lights. I replaced them with H11 Nokya NOK7618 Hyper Yellow bulbs.

     
    tonered likes this.
  5. Sep 2, 2019 at 6:28 PM
    #5
    TriniPhantom

    TriniPhantom [OP] Well-Known Member

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    looks good. How long you running these?
     
  6. Sep 2, 2019 at 6:32 PM
    #6
    Tullie D

    Tullie D Well-Known Member

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    Since April of this year.
     
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  7. Sep 2, 2019 at 6:40 PM
    #7
    skierd

    skierd Well-Known Member

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    And since May last year, off and on. Mostly on.
     
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  8. Sep 2, 2019 at 6:42 PM
    #8
    Yann

    Yann Well-Known Member

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  9. Sep 2, 2019 at 6:47 PM
    #9
    TriniPhantom

    TriniPhantom [OP] Well-Known Member

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  10. Sep 2, 2019 at 6:54 PM
    #10
    Tullie D

    Tullie D Well-Known Member

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    The adapter is not really needed. Somewhere in that thread are details of how to easily modify a H9 bulb so that you can use it in place of a H11. Takes a couple minutes per bulb. :thumbsup:
     
    tonered likes this.
  11. Sep 2, 2019 at 7:06 PM
    #11
    TriniPhantom

    TriniPhantom [OP] Well-Known Member

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    Yea still changes the current draw tho. I was curious as to whether the increased current draw causes problems.
     
  12. Sep 2, 2019 at 7:12 PM
    #12
    Tullie D

    Tullie D Well-Known Member

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    There is "roughly" 1 amp difference in the current drawn by a 65W bulb vs a 55W bulb. IMO it's insignificant.
     
  13. Sep 2, 2019 at 8:24 PM
    #13
    skierd

    skierd Well-Known Member

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