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E30 driver door light fix and LED upgrade Write-Up.

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    E30 driver door light fix and LED upgrade Write-Up.

    I posted this over on e30tech as well, i know many people here do not check over there. and many people could benefit from this.

    My light, if you called it that, never was bright and never worked when my drivers door opened. i got fed up one day and went to work. that day ended in a broken overhead light fixture and no light at all.
    i finally figured it out though.
    This is for a convertible, But this will work with a coupe which has two seperate light fixtures too.
    These are the 3 wires i have. 12v+(red &?) , Always Grnd(Brwn), and switched Ground(brown/purple)


    This is what you'll find when you pull out (forcefully) the plugs and switch from the door jamb.
    you want the Brown/Purple wire (the one shown with the large white connector. not connected to the switch) it is a tight squeeze through that little hole, so if you can't find it, you may need to remove the panel and speaker to find it.

    To fix the problem of the drivers door not opening you simply unplug this big white connector and plug the brown/purple wire straight into the door switch. unplug the original two, and cover the explosed terminal with a spare connector.

    now for the light modification:
    i destroyed my previous housing and the insides that hold the bulb.
    so i went to radioshack to find the brightest leds they have. each is brighter than my original halogen 12v bulb. i Used two.
    Mock up the general positioning.

    [Each LED is a White LED 3.6V 20mA 1100mcd (RS # 276-320)]
    Solder the LEDs together, and put a resistor on the + side. I used a 100-Ohm glue the leds into place (try to keep it even and aimed correctly)
    Wiring is as such:
    12v+ >> Resistor >> long end of led1 > short end(1) to long end led2 > short end(2) >> ground.

    add wires and connectors and loads of hot glue to secure it all (dont be confused, the red explosed wire is the ground side, and the fully black (heatshrunk wire is +++) #-o

    replace it and Voila!

    Plenty of light.

    ENJOY!

    **
    This was done to a bare (broken) light lense/ switch/ holder. i wish i had the ability to switch it always off or always on as well as door controlled. i will do this when it becomes a problem of only working when the door is opened.
    The always ground is not used when plugging in the new LED light, if i added a switch, then it would be used attached to the ground side of the LEDs.

    #2
    holy crap thats bright.
    My 2.9L Build!

    Originally posted by Ernest Hemingway
    There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

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      #3
      try out luxeon leds. they are some of the brightest leds avail.
      Claus Luthe is my hero.

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        #4
        it reminds me of the light you see in cars in tv and in movies.


        i don't have a light there. :hitler: it would be extremely helpful as a use a map constantly for my job.

        1989 Cadillac Brougham BLOWN UP
        2000 Volvo S70 GLT SE SOLD
        1987 Schwarz 325i 107k SOLD
        1984.5 Volvo 242 Ti ABANDONED
        1999 Fern Green M3 SOLD
        1991 RT4WD Civic Wagon WINTERWAGEN
        2004 Audi A4Q 3.0 WIFEY'S
        2009 BMW 135i SOLD
        2008 BMW 135i MINE
        Originally posted by JGood
        anyone who pays $200 for a tank that refills oil instead of just fixing your oil leak, needs their head examined.

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          #5
          This place is great for lighting:

          Wide range of the hottest LED lights, 12 volt, flexible strips, home lighting: High Quality Products ✓ Best Customer Service ✓ Fast Shipping ✓


          They have LED's prewired to work with 12v also.

          Super bright 12v pre-wired LED lights are a huge time saver! Each LED comes with 20 inches of red and black power wire attached as standard.

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            #6
            my bulb just burned out, maybe i should do this... nah the regular light worked well enough for me
            Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

            Originally posted by TimKninja
            Im more afraid of this thread turning into one of those classic R3v moments, where Pizza gets delivered.

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              #7
              The first vehicle that I have driven that implemented the use of LED interior lighting was the Chrysler Aspen. It was pretty nice, making the interior appear more spacious, and cool. I wonder what the specifics were with the LEDs they used.
              Claus Luthe is my hero.

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                #8
                so what if I just installed george's domlight dimming relay. Will it still work with the LED light?
                Renting my rear wheel bearing tool kit. SIR
                http://i25.photobucket.com/albums/c5...ps6debf0b0.jpg

                Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

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