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Switched power under dash?

Discussion in '3rd Gen. Tacomas (2016-2023)' started by bv8ma, Dec 1, 2018.

  1. Dec 1, 2018 at 5:39 PM
    #1
    bv8ma

    bv8ma [OP] Well-Known Member

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    Edit: Solved!! See post #9!


    Ok so I have searched for quite some time on this and have not found a solution. I installed my heated seats today and was looking for a fuse under the dash that would be switched power. I thought the power window fuse would work so I added an additional a circuit and to my surprise is is hot all the time. The seats work great but will stay on even when the truck is off. After much searching I couldn't find a good source of switched power to tap under the dash, what has everyone else done? Do I have to run power from the engine compartment to get a switched circuit?
     
    Last edited: Dec 2, 2018
    Dammit Evie likes this.
  2. Dec 1, 2018 at 5:42 PM
    #2
    Amanelot

    Amanelot Member

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    I'm awful at wiring, so I never do my own. But dont the power outlets to turn off when the truck is off? Would that work?
     
  3. Dec 1, 2018 at 5:48 PM
    #3
    daddy_o

    daddy_o Well-Known Member

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    12v outlet or I remember someone used the windsheild washer fuse to power a dash cam. Maybe look into those. Are you using add a fuse taps?
     
  4. Dec 1, 2018 at 5:49 PM
    #4
    bv8ma

    bv8ma [OP] Well-Known Member

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    So I'm trying to tap a fuse, I thought the power window fuse would work because the power windows obviously don't work when the truck is off, but apparently that fuse is still hot when the truck is off. Who knew.

    I could theoretically tap into an existing wire for something that is already switched, but I really want the seats to be on their own fuse so I don't overload any existing wiring.
     
  5. Dec 1, 2018 at 5:50 PM
    #5
    bv8ma

    bv8ma [OP] Well-Known Member

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    Yes, add a fuse taps. The install recommends a 20 amp circuit and IIRC the washer fuse is 7.5, idk about the 12v but I'll look. Thanks.
     
  6. Dec 1, 2018 at 6:23 PM
    #6
    kahanabob

    kahanabob Well-Known Member

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  7. Dec 1, 2018 at 6:54 PM
    #7
    Victory

    Victory Well-Known Member

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    Two “power outlet” fuses down there that are each 15A are both ignition switched.
     
  8. Dec 1, 2018 at 7:14 PM
    #8
    bv8ma

    bv8ma [OP] Well-Known Member

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    Awesome, I'll give that a try tomorrow!
     
  9. Dec 2, 2018 at 8:15 AM
    #9
    bv8ma

    bv8ma [OP] Well-Known Member

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    Just to update, @Victory was correct, the two P. Outlet fuses under the dash are switched and cut power when the truck is off. Thanks for the help!!
     
    Dammit Evie, Victory and shakerhood like this.
  10. Dec 22, 2018 at 4:50 PM
    #10
    TacoManOne

    TacoManOne YotaWerx Authorized Tuner

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    Where are they under the dash? Left or right side?

    Thanks.
     
  11. Dec 27, 2018 at 3:02 AM
    #11
    bv8ma

    bv8ma [OP] Well-Known Member

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    Drivers side.
     
  12. Dec 27, 2018 at 7:09 AM
    #12
    Gator352

    Gator352 I like Publix cake ...

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    To note though, our Tacoma’s have a smart switch. After 10 minutes, everything shuts off. Like your inside lights. If you leave them on accidentally, the truck will turn them off.
     
    auskip07 likes this.
  13. Dec 27, 2018 at 7:25 AM
    #13
    Tacoma3rdGen

    Tacoma3rdGen Well-Known Member

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    Seems like the Tacoma has ground switching, with lots of relays. That makes for few fused acc power locations.
     
  14. Jun 24, 2024 at 7:36 AM
    #14
    nick1014828

    nick1014828 Member

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    What amp fuse did you add into the fuse box for your heated seats?
     
  15. Jun 24, 2024 at 9:17 AM
    #15
    VicNic3

    VicNic3 Well-Known Member

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    10 amp per instructions
     
  16. Jun 24, 2024 at 12:21 PM
    #16
    nick1014828

    nick1014828 Member

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    Got it, do you have the link to the heated seat kit you used?
     
  17. Jun 24, 2024 at 4:55 PM
    #17
    VicNic3

    VicNic3 Well-Known Member

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    #17

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