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Thread: Helpful info about LED lighting

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    Maximum Bitrate Snootch's Avatar
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    Helpful info about LED lighting

    Hey all, I ran across this thread as I was browsing www.termpro.com , a car audio site I frequent. This thread has some useful info dealing with using LED's for interior lighting in a car. I've seen some of your installs where the mobo is highlighted with LED's, and i figured this info could be useful. It deals with the diffrences between brightness, MCD's, and intensity to help you choose the right # and type of LED's to use. Hope this is of use.

  2. #2
    Maximum Bitrate Seraph's Avatar
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    I'll head over and check it out. I have done some major reading on the LED usage and legality on the exterior lights in the past. I still wonder why we can't use white LEDs with Extra high lumens as our headlights. They could be brighter and whiter than the new HIDs. No heat either.
    - Lwin M. Maung
    If it's stuck, force it. If it breaks it needed replacing anyway

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    Maximum Bitrate Snootch's Avatar
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    Sorry, forgot to post link:
    http://www.carsound.com/ubb/ultimate...=004589#000000

    And it was carsound, not Termpro. Ugh, i must be tired.

  4. #4
    Maximum Bitrate Seraph's Avatar
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    Hehe. Done that before too.
    - Lwin M. Maung
    If it's stuck, force it. If it breaks it needed replacing anyway

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    Constant Bitrate SOBIL's Avatar
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    [AUS] I thought you might want to know that jaycar, have little pcb's, for turning your stop/tail/turn and interior lights to little LED lights. Apparently (So i have read in an AD) The LED's are brighter and because they illuminate instantly when stopping from 100km/h they can shorten stopping distance by up to 5 meters. I was like wow. I am keen to give it a go, next time one of my globes blow i will try it myself.

  6. #6
    Maximum Bitrate Seraph's Avatar
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    My SVX has LEDs that I replaced. Not the cheap 10 bucks ones you get from autostores but a huge matrix of LEDs on each stop light at the back. All I can say is that they make a huge difference between stock lamps since those take a while to light up compare to LEDs. Also, LEDs are a lot brighter as well. With all 4 LEDs on, I can light up a whole city block. The they are fully street legal since they came out of a truck tail lamps. The whole set of LEDs set me back about 150 bucks but it's well worth the price.
    - Lwin M. Maung
    If it's stuck, force it. If it breaks it needed replacing anyway

  7. #7
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    I've put those Luxeon Stars in my rear turn signals, 4 per lamp. It was plenty. But they surely generate some heat at 1W a piece.

  8. #8
    Maximum Bitrate gork's Avatar
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    Yes the thing about LED's not generating heat is certainly not correct. They run cooler at the same lumen output as an equivalent incandescent, but they actually run quite a bit hotter at the same power levels.. Ie a 5W light bulb does not get as hot as a 5W Luxeon STAR. Yowch.

    Finally some good info is coming out on retrofitting BMW's OEM LED tail lights into older BMW's.. This is probably a modification that I will do sometime soon. They are really slick but at ~$500 for the upgrade it's a bit pricey..
    MY CAR IS FOR SALE!
    See My Project Page for Details - 2003 BMW E46 ///M3
    Custom Dash Monitor Housing - OEM Fitment
    Custom Overhead DVD-ROM Housing in Headliner
    BMW I-Bus Integration
    My homepage with many other fun projects!

  9. #9
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    I have a hobby of making LED lights, dont want to post the site as I dont know what the rules are on that stuff, but luxeons are what some consider a step design. in that they are not finished, or shouldnt be. they are horribly over priced and dont really offer much over a normal LED in terms of design. a 5mm LED uses a tiny die that creates basicly no heat. luxeon just magnified that die, thus more light, more heat.

    I still use luxeons however... as they are the only one to put out that much light. can do some crazy stuff with them.

    that BMW price is actually extremely reasonable. the G35coupe tails are 2grand, and Im unsure if thats a pair or each, I beleive its each, but that just seemed more unbeleivable. 500$... Id double check that, as a normal tail light housing costs that much, ignoring the hundreds in LEDs that are in each one.

  10. #10
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    i used pre-maid modules for trucks and installed those. The only one i had to make was the reverse since white LED's are still expensive, the only modules that i found where about $150-200/pair. The amber and red modules cost me about $20/each.

    http://maxima.cardomain.com/memberpage/202250/8

    if you look on page 5&6 you can see the front turn signals i made as well.

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