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cheap custom shift light

Discussion in 'ECU's, Electronics, and Tuning' started by seanjuan, Aug 28, 2003.

  1. seanjuan

    seanjuan Senior Member

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    I don't want a big ass stupid tach/shiftlight or even a big ass shift light sittin on my dash taking away from the sleeper quality of my car

    what I want to do is just install a couple of LED's that I can see easily when I'm driving but only when they come on. I need some type of rpm switch or something to make this work though and the only ones I've seen are pretty spend >$50

    anybody know a cheap way of makeing a custom shift light?
     
  2. sportlinecrx

    sportlinecrx Banned

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  3. seanjuan

    seanjuan Senior Member

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    thanks for the sugestion but I don't want anything mounted to my dash, I just want to hide a few LED's and have em light up at redline. like hondata does, they give you a LED to mount in your gauge pod as a shift light
    I just can't afford Hondata right now
     
  4. Seany-izzle

    Seany-izzle New Member

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    well you COULD make a vtec light. cuz vtec kicks in, atleast on mine, at 5600, 900rpms short of my peak hp. so i know that a second or two after that light comes on, its time to shift....that is, if you have vtec.
     
  5. seanjuan

    seanjuan Senior Member

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    I'm going to make a vtec light for sure, but my vtec hits at around 6-6.5k and I don't hit redline till 7.8 and I want to be able to pull as close to 7800 as I can without staring at the tach the whole time I'm driving
     
  6. blundar

    blundar Senior Member

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    if you aren't INCREDIBLY concerned with accuracy (although precision is generally very good) you could make a RPM activated switch with a frequency to voltage converter, op amp, adjustment pot and probably do it for under $10. Requires a lil electronics knowledge.

    And if you felt like totally overengineering it, you could make a programmable one that was super accurate with a PIC microcontroller for about the same amount of money.
     
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