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What is this plug for?

Discussion in '3rd Gen Tundras (2014+)' started by Upgrayedd, Jul 19, 2018.

  1. Jul 19, 2018 at 2:42 PM
    #1
    Upgrayedd

    Upgrayedd [OP] Toyotaholic

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    I have a 2015 SR5 4.6 and am wondering what this plug is for. I am installing a Tekonsha P3 brake controller, and I’m wondering if this plug is for a Tow/Haul button. Can anyone confirm what it’s for? Because if I can add the tow button that would be awesome as the 4.6 doesn’t come with it.

    [​IMG]
     
  2. Jul 19, 2018 at 5:29 PM
    #2
    Upgrayedd

    Upgrayedd [OP] Toyotaholic

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    It’s stuck in the panel that holds the traction control button, and right next to the brake controller harness.
     
  3. Sep 15, 2018 at 10:56 AM
    #3
    Red Dragon

    Red Dragon New Member

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    It’s for an aftermarket brake controller.
     
  4. Dec 16, 2018 at 3:46 PM
    #4
    1bad10tacoma

    1bad10tacoma New Member

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    Are you sure that's what this for? I really need to hook up my Prodigy controller and I didn't think I had the wires but this is there. Any idea where I'd get the plug that plugs into it?
     
  5. Dec 16, 2018 at 5:46 PM
    #5
    1bad10tacoma

    1bad10tacoma New Member

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  6. Dec 16, 2018 at 6:00 PM
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    hudrock

    hudrock New Member

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  7. Dec 16, 2018 at 6:10 PM
    #7
    1bad10tacoma

    1bad10tacoma New Member

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  8. Dec 16, 2018 at 6:17 PM
    #8
    Jrharvey02

    Jrharvey02 Meh.

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  9. Dec 16, 2018 at 6:22 PM
    #9
    1bad10tacoma

    1bad10tacoma New Member

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    Yeah I have that wire, but there is no harness to be found on the truck. I do have the wires pictured above but it's not a match.
     
  10. Dec 16, 2018 at 7:22 PM
    #10
    vanoss101

    vanoss101 New Member

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    I suspect that would be for the park assist option or auto high beam option. That is not the brake control connector.
     
  11. Dec 16, 2018 at 7:37 PM
    #11
    TundraCoast

    TundraCoast New Member

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    Its Park Aassist, I just had that panel off last week while removing dash vents to paint. My Tundra has the park assist feature and I plugged that back in when I re-installed.
     

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