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Dash globes keep dying

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Glenjo
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2013/09/26 15:43:37 (permalink)
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Dash globes keep dying

I had to replace my dash globes with LED globes off eBay as my originals died.

But the replacements only ever last about a week. I've tried all different types, from different sellers, at different prices. They just don't last. The best run I've had was probably a good solid month.

Anyone have any suggestions?

Cheers!


#1


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    Re: Dash globes keep dying 2013/09/26 15:50:09 (permalink)
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    LED's should last forever.  Wonder if your voltage regulator is playing up and over volting.
    #2
    5SGTE
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    Re: Dash globes keep dying 2013/09/26 18:44:45 (permalink)
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    Had the same issue in another car.  I think the current was wrong, with the dimmer turned down they kept blowing, its now turned up and the LEDs have been good for about a year now.
    #3

    Monika
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    Re: Dash globes keep dying 2013/09/26 21:53:07 (permalink)
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    In most instances, LEDs cannot be dimmed. This may have to be the only place in the car where you have to use ye olde globes :-)

    Cheers, M
    #4
    robk
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    Re: Dash globes keep dying 2013/09/26 21:59:56 (permalink)
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    LEDs have no resistance, so they rely on a separate resistor (eg. dimmer) to limit the current. LEDs can normally handle only a few tens of milliamps without burning out.
    Normal/stock bulbs, on the other hand, act as resistors themselves.

    There is an extensive build thread for my car here: http://www.mr2australia.com/mr2play/tm.aspx?m=18316
    #5
    5SGTE
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    Re: Dash globes keep dying 2013/09/27 19:25:41 (permalink)
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    ^^ that what im saying, kinda using the dimmer as manual resistance.
    #6

    robk
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    Re: Dash globes keep dying 2013/09/27 19:40:54 (permalink)
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    5SGTE
    ^^ that what im saying, kinda using the dimmer as manual resistance.

    Yep, that's right :-)

    There is an extensive build thread for my car here: http://www.mr2australia.com/mr2play/tm.aspx?m=18316
    #7
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