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LED Dome Light Question

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Old Sep 24, 2008 | 09:51 PM
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LED Dome Light Question

Hey guys, had a question for you electronic experts out there. I bought a replacement style light for my dome, the type of light with the 2 loops (my 2.2 doesn't have a sunroof). Its an LED, pretty bright I must say, although I do have a bit of an issue. In the door mode - center, it should be off and come on when you open the door right? Well mine does... but when I'm driving, or when the car sits.. when the light should be OFF, its dimly lit. I tryed wiggling it around and moving it.. won't go out unless I take it out completely - duh. So my questions were: Anyone else out there with an LED issue like this? and How do fix this? Thanks for any help.
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Old Sep 24, 2008 | 11:12 PM
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Originally Posted by Cobalt2921
Hey guys, had a question for you electronic experts out there. I bought a replacement style light for my dome, the type of light with the 2 loops (my 2.2 doesn't have a sunroof). Its an LED, pretty bright I must say, although I do have a bit of an issue. In the door mode - center, it should be off and come on when you open the door right? Well mine does... but when I'm driving, or when the car sits.. when the light should be OFF, its dimly lit. I tryed wiggling it around and moving it.. won't go out unless I take it out completely - duh. So my questions were: Anyone else out there with an LED issue like this? and How do fix this? Thanks for any help.
Its supposed to be like that. Leds are like dimmers when not in use in some cars. They have different shades of their light.

And dont worry about it draining your battery, you would have to have thousands of those led's to actually do something that drastic. You could probably leave that bulb on for the life of your car, and it would never drain your battery.
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Old Sep 24, 2008 | 11:18 PM
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I got one of those too. Mine does the same thing. It's a blacklight. It look neat but it sure as heck dosnt light anything up.
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Old Sep 24, 2008 | 11:18 PM
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Originally Posted by wardzach2007
Its supposed to be like that. Leds are like dimmers when not in use in some cars. They have different shades of their light.

And dont worry about it draining your battery, you would have to have thousands of those led's to actually do something that drastic. You could probably leave that bulb on for the life of your car, and it would never drain your battery.
Thanks! I was wondering what was wrong with em. I do appreciate the help, shoot I'll leave the switch in the door spot - but I need to keep the windows up. Came out and got attacked by about 5 moths when I turned the light on.. damn bugs :-p
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Old Sep 24, 2008 | 11:20 PM
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Originally Posted by Cobalt2921
Thanks! I was wondering what was wrong with em. I do appreciate the help, shoot I'll leave the switch in the door spot - but I need to keep the windows up. Came out and got attacked by about 5 moths when I turned the light on.. damn bugs :-p
Yeah, my friends GTI does that. His Led's are dim when not in use.

Good luck with 'em bugz
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Old Sep 24, 2008 | 11:21 PM
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Haha thanks. I got em out when I did some quick photos of the gauges lit up. Appreciate the help
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Old Sep 24, 2008 | 11:22 PM
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<----Look at my domelight, it's kewl!

Here's what happens... your LED domelight uses much less current than the stock bulb. There's some "residual current", if you will, that is in the domelight wires. Said current is not enough to illuminate the stock bulb but since LED's draw so little they light up a little bit. It's not drawing any more current than it was before, but the residual current is now visible.
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Old Sep 24, 2008 | 11:23 PM
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Originally Posted by Cobalt2921
Haha thanks. I got em out when I did some quick photos of the gauges lit up. Appreciate the help
Your welcome bro. Anytime you have a question about lights/hid's, im yo man.
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Old Sep 24, 2008 | 11:26 PM
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Originally Posted by wardzach2007
Your welcome bro. Anytime you have a question about lights/hid's, im yo man.
Speakin of which, is it a good idea to install HIDs in stock headlamps? I'm actually thinking of either getting HIDs and putting em in my stockers or putting them in some CCFL projector headlamps.
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Old Sep 24, 2008 | 11:33 PM
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Originally Posted by Cobalt2921
Speakin of which, is it a good idea to install HIDs in stock headlamps? I'm actually thinking of either getting HIDs and putting em in my stockers or putting them in some CCFL projector headlamps.
Projectors FTW!!! You need to project the light down from peoples eyes onto what really matters, which is the road.

You can put them in stocks, but your just going to be blinding people and attracting cops attention.
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Old Sep 24, 2008 | 11:45 PM
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Originally Posted by wardzach2007
Projectors FTW!!! You need to project the light down from peoples eyes onto what really matters, which is the road.

You can put them in stocks, but your just going to be blinding people and attracting cops attention.
Ah alright. I'll be gettin the projectors soon. I need another paycheck so I have some "financial security" so to speak once i pay for those projectors lol. BTW, cheap place to get the CCFL's? I know some ebay places have them but I don't fully trust some of those places.
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