LED third brake light strip

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  1. #1
    Member munro701's Avatar
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    LED third brake light strip

    After being hit last year I decided to create a third brake light that was unavoidably noticeable, especially at night when applied, but also hidden when parked.

    I came up with, under "sun shade/spoiler" side emitting LED strips.

    https://www.superbrightleds.com/more...-led-335/1542/

    I purchased two of the above strips, soldered them together. I kept them weatherproof by running clear heat shrink tubing over the soldered joint. This gave me an inch or so inch on each side under the sun shade/spoiler. And its held on with 3m, should i want to remove it later, i can...with some difficulty.





    Then using a simple dual intensity circuit, I was able to wire in running lights and brake lights. I used this...

    http://tech.bareasschoppers.com/elec...rcuit-element/

    I tested different resistors and noticed very little change in brightness from the 200 ohm range to the 500 ohm range, so for the running lights i used around a 500ohm resistor, and i did not use a resistor for the brake lights. Pictured was my testing setup, final assembly was soldered and heat shrink...shrank...shrinked...?



    Here is the final brake lights and running lights





    opinions welcome, i know most (including me) arent a fan of the combination of LEDs and normal bulbs, but what turned out should help avoid accidents.

    Now that I am finished, i could have even kept the two strips separate and created a blinker setup as well as the brake and running lights. All in hind sight.
    7mgte...MS3X...6262...320hp on 12lbs

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  3. #2
    CelicaSupra.com Member 4SFED's Avatar
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    So it's more than a third brake light?
    Dave Harrison

    current lineup and year acquired:

    '85 white Mark2 7mgte 5sp 1988
    '85 white Mark2 7mgte Auto 2009
    '84 maroon Mark2 6mge 5sp 2013
    '86 red Mark2 7mgte 5sp 2016
    '85 black Mark2 6m Frankenmotor 5sp 2017

  4. #3
    CelicaSupra.com Member gamble's Avatar
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    Well done, reminds me of the led's pickups put on their tailgates these days. Not in a bad way either, i sure as hell can tell when those things are stopping, since half the time the brake light up on the cab is out since those seals always dry out.
    http://www.autoanything.com/lights/74A5785A0A0.aspx

    I've thought about installing a blinker on the brakes for attention like i see on some work vehicles around here, the kind where it blinks a few times before staying steady. I still need to convert to LED's first though...
    http://www.amazon.com/Attention-Flas.../dp/B007I6P26Q

    Something like this but less hot rod(black instead of chrome, would blend in) looking would be a bolt on solution, although not near as bright as yours for sure.
    http://www.amazon.com/Custom-Accesso.../dp/B007LICGLK
    Last edited by gamble; 09-09-2015 at 06:34 PM.
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  6. #4
    Member munro701's Avatar
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    Quote Originally Posted by 4SFED View Post
    So it's more than a third brake light?
    More than a third brake light...no??? not sure it needs to be much more. no knight rider status etc etc sorry

    I mentioned towards the end what i would have done differently that may have bbeen confusing but as it sits it is just a third brake light.
    7mgte...MS3X...6262...320hp on 12lbs

  7. #5
    Member munro701's Avatar
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    Quote Originally Posted by gamble View Post
    Well done, reminds me of the led's pickups put on their tailgates these days. Not in a bad way either, i sure as hell can tell when those things are stopping, since half the time the brake light up on the cab is out since those seals always dry out.
    http://www.autoanything.com/lights/74A5785A0A0.aspx

    I've thought about installing a blinker on the brakes for attention like i see on some work vehicles around here, the kind where it blinks a few times before staying steady. I still need to convert to LED's first though...
    http://www.amazon.com/Attention-Flas.../dp/B007I6P26Q

    Something like this but less hot rod(black instead of chrome, would blend in) looking would be a bolt on solution, although not near as bright as yours for sure.
    http://www.amazon.com/Custom-Accesso.../dp/B007LICGLK
    i tried looking into working an led truck bar or something into it, but like i said i wanted something sleek, and the bars had weird angles to deal with. Plus the cost of the two strips was a little more than half the cost of a bar. Haha im sure if i installed one of those flashers it could cause an accident, or cause a light sensitivity induced seizure.
    7mgte...MS3X...6262...320hp on 12lbs

  8. #6
    CelicaSupra.com Member
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    Looks brilliant! Nice work! I bet it's visible at a longer distance than the existing brake lights.

    Only thing I would say is that eye-level lights, particularly over here, are exclusively brake lights; where you have yours dimmed to be extra tail-lights wouldn't be allowed over here. Plus, the whole point of making them eye-level was putting brake lights right in front of the driver behind you. Just thinking that some people behind you might mistake the tail-lights for brake lights, even if they're dim.
    Rob - 100% British
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  9. #7
    CelicaSupra.com Member 4SFED's Avatar
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    Quote Originally Posted by Gargravarr View Post
    Just thinking that some people behind you might mistake the tail-lights for brake lights, even if they're dim.
    That was my first thought, too. Hence my vague question/comment above.
    Dave Harrison

    current lineup and year acquired:

    '85 white Mark2 7mgte 5sp 1988
    '85 white Mark2 7mgte Auto 2009
    '84 maroon Mark2 6mge 5sp 2013
    '86 red Mark2 7mgte 5sp 2016
    '85 black Mark2 6m Frankenmotor 5sp 2017

  10. #8
    Member munro701's Avatar
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    the beauty is that if its not legal you just don't have to wire it in simple fix done haha. make is a brake only light, make it a christmas colors, make it whatever your heart desires.

    As far as getting mistaken for brake lights even though they are dim, i guess i will just stay out of wisconsin
    7mgte...MS3X...6262...320hp on 12lbs

  11. #9
    CelicaSupra.com Member ddd228's Avatar
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    SSSupra(Brian) did a nice job here:
    https://www.celicasupra.com/forums/sh...zed-Savage#top
    3/4 way down the page.
    Dave in Seattle. I keep LATE hours.Hidden Content
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  12. #10
    CelicaSupra.com Member
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    Damn, that looks super bright !!
    Well Done.

    I did this with my '86.

    I like the way it turned out, but still needs a bit more finishing.
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