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Thread: Installing an LED Dimmer for Instrument Panel Illumination - Rheostat Replacement

  1. #11
    Senior Member Starglider's Avatar
    Join Date:  Sep 2012

    Location:  Isle of Dogs, London, United Kingdom

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    My VIN:    12306 xxxxxx RHD Twin Turbo

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    I've applied this modification to the console of my RHD car;



    haven't done the dimmer yet. Thanks for the guide!

  2. #12
    EFI DeLorean dmc6960's Avatar
    Join Date:  May 2011

    Location:  Minnesota

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    Quote Originally Posted by Starglider View Post
    I've applied this modification to the console of my RHD car;
    I assume you isolated the original contacts for the bulbs when you added the new ground wire?
    Jim Reeve
    DMC6960

    D-Status: - Getting some Spring exercise

  3. #13
    Senior Member Starglider's Avatar
    Join Date:  Sep 2012

    Location:  Isle of Dogs, London, United Kingdom

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    My VIN:    12306 xxxxxx RHD Twin Turbo

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    Quote Originally Posted by dmc6960 View Post
    I assume you isolated the original contacts for the bulbs when you added the new ground wire?
    Yes, with electrical tape.

  4. #14
    Junior Member
    Join Date:  Sep 2017

    Posts:    1

    Cool

    Quote Originally Posted by DrJeff View Post
    When you replace the incandescent bulbs in the instrument panel (binnacle) with LEDs, you unfortunately loose the ability to dim the lighting with the stock rheostat. I wanted to have the ability to dim the LEDs so I worked on this project to replace the stock rheostat with a PWM (Pulse Width Modulator). The PWM dimmer currently costs $15 from SuperBrightLEDs.com (I think I paid $20).

    This project is not 100% completed (too many other concurrent projects holding it up - so probably 90% complete), but I've written up what I've done so far. I'd certainly appreciate any feedback from the forum - especially before I close everything back up again!

    Attachment 14243

    When I get the other projects completed I'll update this document and post some pictures/videos of the LED dimming in action.
    Wow what a heck of a write up Kudos!!!!!!

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