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Fog light mod similar to Tacoma relay

Discussion in '3rd Gen Tundras (2014+)' started by bj46-taco-tundra, Aug 21, 2016.

  1. Aug 21, 2016 at 1:52 PM
    #1
    bj46-taco-tundra

    bj46-taco-tundra [OP] New Member

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    First of all I have found several write ups on the forum about the anytime fog light mod, but none of them seem to be as simple as the one I did to my 09 Tacoma.

    On my Tacoma all I did was bend up a terminal on the fog light relay and run an add a fuse wire to an ignition switched power source. 30 sec and I was done.

    I'm just a big baby who doesn't want to alter or cut anything.

    Come on tundra owners, who will make this work

    image.jpg
     
    Last edited: Aug 21, 2016
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  2. Aug 21, 2016 at 2:08 PM
    #2
    RowdyRon

    RowdyRon Not too old to play

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    Will this work on our Tundra's? No other modifications necessary? Fog lights still work with the light stalk? If so, that is my next mod!
     
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  3. Aug 21, 2016 at 2:15 PM
    #3
    bobeast

    bobeast really old member

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    Clever. Seems like that should work. The tundra relay gets its ground from the BCU (fog relay pin #2), when the foglight switch is turned on. It gets its coil power from the tail-light relay (fog relay pin #1). Seems like running pin 1 to an ignition source instead, would be just the ticket.
     
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  4. Aug 26, 2016 at 7:13 AM
    #4
    15TRDPro

    15TRDPro New Member

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    I did the same thing when I had my 06 Tacoma. it would be nice if this mod would work for the tundra.
     
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  5. Aug 26, 2016 at 7:16 AM
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    650h1

    650h1 New Member

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    Im getting wet thinking about this working for our trucks... did it on my tacoma and it took like not even 5 mins..
     
  6. Aug 26, 2016 at 7:23 AM
    #6
    RowdyRon

    RowdyRon Not too old to play

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    So, has anyone tried this on their Tundra yet?
     
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  7. Aug 26, 2016 at 7:38 AM
    #7
    TTU19

    TTU19 New Member

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    If I could turn my fog lights on with the headlights off, so same as the DRLs, I'd do that in a heartbeat. It has their own on and off, why not make it work that way without turning the full headlights on.
     
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  8. Aug 26, 2016 at 10:05 AM
    #8
    650h1

    650h1 New Member

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    so, what we could do if this is a possiblity, is wire in a jumper from the power prong of the fog light relay to the DRL fuse. That way, whenever the DRLs come on, if you choose, you could have the fog lights on as well. I think the DRLs stay on as long as the truck is on, right? I cant remember if they stay on with headlights or not, but I think they do.
     
  9. Aug 26, 2016 at 10:46 AM
    #9
    TTU19

    TTU19 New Member

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    I think so, but they are also the blinker. Would that interfere with the fog light? Humm. Maybe not since that is not its function, it's just bypassing the power on.
     
  10. Aug 26, 2016 at 11:07 AM
    #10
    650h1

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    So the directional wires are separate from the DRL wires if you look behind your headlight. But either way, I'm talking about tapping the jumper wire from the fog relay into a fuse. So I'm thinking the DRL fuse should be good...
     
    Last edited: Aug 26, 2016
  11. Aug 26, 2016 at 12:05 PM
    #11
    TTU19

    TTU19 New Member

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    You'd think more people would have done this already to chime in. Has to be something simple. All you need to do is supply constant power to it and use the on/off on the steering column. Or so you'd think.
     
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  12. Aug 26, 2016 at 12:06 PM
    #12
    650h1

    650h1 New Member

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    Yeah, I'd want ignition power though so I don't forget about them and kill my battery all the time... If I knew what prong on the relay I need to tap I'd do it right now and report back. Let me do some digging...
     
  13. Aug 26, 2016 at 12:09 PM
    #13
    TTU19

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    Yeah, that's what I meant. Power when the truck is on. Ok, let us know.
     
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  14. Aug 26, 2016 at 12:09 PM
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    650h1

    650h1 New Member

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    I gotta figure out which pole on the relay we need to bend... Hmm
     
  15. Aug 28, 2016 at 9:39 PM
    #15
    bj46-taco-tundra

    bj46-taco-tundra [OP] New Member

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    Anyone played with this over the weekend.
     
  16. Aug 28, 2016 at 11:06 PM
    #16
    xtyfighterx

    xtyfighterx New Member

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    Interested I did this on my 09 Tacoma as well
     
  17. Sep 22, 2016 at 7:07 AM
    #17
    bj46-taco-tundra

    bj46-taco-tundra [OP] New Member

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    Has anyone made any headway ?
     
  18. Sep 22, 2016 at 7:14 AM
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    650h1

    650h1 New Member

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    I looked at the fuse box the other day, and it is the same relay as the Tacoma has. The issue I am having is what fuse to tap into... I want the fogs to come on with ignition, just like DRL, but I'm hesitating to tap the DRL circuit because idk how it is effected when the headlights come on... idk what to do. I don't want them to come on with parking lights because as soon as I turn my parking lights on my NAV goes into night mode and you can't see it during the day.
     
  19. Sep 22, 2016 at 7:39 AM
    #19
    TRD FreddieZ

    TRD FreddieZ New Member

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    Did mine fog light mod on Sunday. 2010 Tundra, splice pink wire and gray wire and all good to go. took like 5mins.
     
  20. Sep 27, 2016 at 6:24 PM
    #20
    4RNR

    4RNR トヨタ

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  21. Sep 28, 2016 at 8:26 AM
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    xtyfighterx

    xtyfighterx New Member

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    Then tap the ignition fuse
     
  22. Sep 28, 2016 at 8:27 AM
    #22
    650h1

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    Just sucks that you get rid of the functionality of your fog lights though wouldn't you? I mean they're on when the key is on, and I'm not sure if the switch on the stalk would still work
     
  23. Oct 1, 2016 at 9:14 AM
    #23
    TTU19

    TTU19 New Member

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    Just passed a guy going the opposite direction on the highway who had his DRLs and fogs on only. So has to be a way. One of those times you wish you could flag a guy down to ask, ha.
     
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  24. Oct 1, 2016 at 12:59 PM
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    650h1

    650h1 New Member

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    Well with the way the mod everyone does you can do that too. Since our DRL's are our parking lights. The issue for people like me is that I don't want to drive around with my NAV in night mode all the time because it goes into night mode when you turn on the Parking lights...
     
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