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Thread: LED bulb/resistor wiring question

Forum to discuss Austin Healey Sports Cars

  1. #21
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    Re: LED bulb/resistor wiring question

    I switched my front incancescent bulbs in the parking/turn light to bi-coloured (white/amber) LEDs behind a white beehive lens, and the rear bulb to red LEDs behind the red beehive (I tried a white LED, but as commented above the light was bright pink rather than red). I also added a second brake/turn light LED in the reflectors above the tail lights for additional visibility. It all works well. Rather than tampering with parallell resistors I swithed the flasher relay to an electronic. It was very simple, just plug and play.

  2. #22
    Yoda
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    Re: LED bulb/resistor wiring question

    Are the electronic flashers polarity sensitive?

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    Re: LED bulb/resistor wiring question

    Yes, they are. I purchased my flasher and bulbs here: http://www.dynamoregulatorconversion...units-shop.php, but I am sure there are other suppliers on both sides of the pond.

  4. #24
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    Re: LED bulb/resistor wiring question

    Thanks!

  5. #25
    Yoda Michael Oritt's Avatar
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    Re: LED bulb/resistor wiring question

    As I said in an earlier post the bulbs supplied by Moss were too long to fit under the 100's flat lens, Another 100 owner from the Austin-Healey 100 Experience Forum suggested that I contact Litezupp (https://litezupp.com/LEDs-for-12-Volt-Systems) and they offered a shorter bulb which the owner promised would work. In fact it did and today, after some delay due to a trip out of town I finally finished installing the LED bulbs. I am very pleased with their performance and for my next trick I am going to go to brighter headlights and also see if I can upgrade the 576 driving lights.

    BTW I never cease to be amazed by the strange things that a Healey's lighting system can do: After installing (only) the left LED bulb--with the incandescent still in the right fixture--when I tested its performance my 3rd brake light stayed on all the time and the right light would not work at all. Fortunately I resisted the temptation to deal with the issue and continued to install the right LED which made everything fine. I guess I should be content to live in ignorance.

    Best--Michael Oritt
    1954 Austin-Healey 100 Le Mans
    1959 Elva MK IV Sports Racer
    1961 Ginetta G4

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