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How can I mod the DRL to have it on at all time? (for 2013 models)

Discussion in 'Gen 3 Prius Accessories and Modifications' started by m3rhkp, Apr 26, 2013.

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  1. m3rhkp

    m3rhkp New Member

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    I am trying to get my DRL running all time even with low beam or with signal lights on. I know on 2012 models you can put a relay and easily have the DRL running as soon as the car starts. But on 2013 they added a option where you can switch on the DRL or have the DRL shut off manually..
    has anybody looked into this?
     
    #1 m3rhkp, Apr 26, 2013
  2. The Electric Me

    The Electric Me Go Speed Go!

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    I'm relatively new...just bought mine. So anyone prove me wrong or correct me. I'm okay with that.
    But if you want DRL on all the time couldn't you just leave the stalk turned to DRL all the time?

    The lights auto turn off in 30 seconds if you don't physically turn them off, so if you just leave the DRL's on, then they will always be on when you start the vehicle.
     
    #2 The Electric Me, Apr 26, 2013
  3. m3rhkp

    m3rhkp New Member

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    Yes, but I want them to be on with Low Beam engaged. The DRL will shut off if you turn low beam on.
     
    #3 m3rhkp, Apr 26, 2013
  4. David Beale

    David Beale Senior Member

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    Get the manual from Toyota online and modify your car to match the Canadian wiring diagram (which is included in the shop manual - it has both US and Canadian versions in there).
    Note that Canadian cars do not have separate DRL lamps. We use the headlamps at half power wired in series I believe.
    Note also that DRL does not apply when the headlamps are turned on. DRL means lamps on in front when the lights are not turned on.

    What you really seem to want to do is turn on the US separate DRL lamps all the time. That should be relatively simple with a relay activated by "accessory" power.
     
    #4 David Beale, Apr 26, 2013
  5. 4everS2K

    4everS2K Junior Member

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    So how do we do this?:)
     
    #5 4everS2K, Apr 26, 2013
  6. David Beale

    David Beale Senior Member

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    If you can't figure it out on your own using the schematics don't attempt it! It requires some knowledge of basic electrical wiring and electronics. If you just go in and try by guessing you could end up costing yourself a lot of money. There are some very expensive modules in the Prius!
     
    #6 David Beale, Apr 27, 2013
  7. The Electric Me

    The Electric Me Go Speed Go!

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    Sorry should of read your post with more care.
    I honestly don't know, but judging from given advice seems like a lot of work/risk for very little change in function.
     
    #7 The Electric Me, Apr 27, 2013
  8. Paradox

    Paradox Prius Enthusiast / Moderator
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    Moved to the modifications forum.
     
    #8 Paradox, Apr 27, 2013
  9. El Dobro

    El Dobro A Member

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    Can't help you with what you want to do, but 2012 also has DRLs that can be turned on and off manually, too.
     
    #9 El Dobro, Apr 27, 2013
  10. m3rhkp

    m3rhkp New Member

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    Hmmm that's interesting to know.
    Why the prius I saw doesn't have this option and it was a 2012
     
    #10 m3rhkp, Apr 27, 2013
  11. sfv41901

    sfv41901 Masta S

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    In order to keep the DRLs on all the time u have o rewire them & this will include removing ur front bumper. There have been a few members tat have talked about this but to my knowledge nobody has co pleated this mod yet.
     
    #11 sfv41901, Apr 27, 2013
  12. xliderider

    xliderider Senior Member

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    Even if you successfully manage to rewire your DRLs to stay on with your low beams they wouldn't dim like properly designed OEM LED DRLs. You would be shining glare at oncoming drivers. Pretty rude just to look cool IMHO.
     
    #12 xliderider, Apr 27, 2013
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  13. m3rhkp

    m3rhkp New Member

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    It's actually not that bright to be honest, and thanks to a member on here I got it to work!!
     
    #13 m3rhkp, Apr 27, 2013
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  14. bzyrice

    bzyrice Active Member

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    How'd u doit relay?
     
    #14 bzyrice, Apr 28, 2013
  15. m3rhkp

    m3rhkp New Member

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    Just a home made wire, put it over the on the relay :)
     
    #15 m3rhkp, Apr 28, 2013
  16. bzyrice

    bzyrice Active Member

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    Can u e more specific? I will do this ASAP lol
     
    #16 bzyrice, Apr 28, 2013
  17. bzyrice

    bzyrice Active Member

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    And u got any pics of everything on at night?
     
    #17 bzyrice, Apr 28, 2013
  18. sfv41901

    sfv41901 Masta S

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    What pins on the relay are u jumping?
     
    #18 sfv41901, Apr 28, 2013
  19. m3rhkp

    m3rhkp New Member

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    image.jpg
    Here ya go, looks awsome
    No fog light needed
    Just tap the LED relay to any on going power source. So when you turn on your car, it goes on, when you turn off your car, it shuts off
     
    #19 m3rhkp, Apr 28, 2013
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  20. xliderider

    xliderider Senior Member

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    Two things, please post which wire you tapped and also please post a pic of the DRLs straight on at night from above the cutoff level of the low beams.

    I'm willing to bet that the glare from the DRLs will be evident in that the DRLs will appear brighter than the low beams.
     
    #20 xliderider, Apr 28, 2013
    MagnusAG99, vthreee and Dark Knight like this.
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