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LED dome light issues

Old Dec 10, 2008 | 08:50 PM
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Default LED dome light issues

Hi. I tried replacing all my dome lights with blue LEDs, but they only work for about 5min then all the lighting cuts out. The only way to get them back on is to pull the UCM fuse for a few minutes. I put all the regular bulbs back in, but I really preferred the blue lights. Is there anything I can do?
 
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Old Dec 11, 2008 | 07:32 AM
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Default RE: LED dome light issues

I wonder if it is due to an amperage difference. I wonder if they sell different Amp leds.
 
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Old Dec 12, 2008 | 06:44 AM
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I think that the LEDs don't offer enough resistance and the UCM thinks that there is a short circuit. I ordered a different brand LED from a site that guarantees that all their lights have built-in load resistors. I hope that does the trick.
 
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Old Dec 12, 2008 | 07:46 AM
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Default RE: LED dome light issues

Please let us know if they work.
 
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Old Dec 12, 2008 | 02:43 PM
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Default RE: LED dome light issues

I just received and tried out my new LEDs. So far the new dome lights appear to work fine. I could clearly see a 620 ohm resistor in the new ones, whereas the old ones had two 39 ohm resistors in series. I'm not sure if that made the difference since the incandescent lights only provide 2.5 ohms of resistance. I also tried two LED position lights; they worked fine, but I had the "position light failure" message the whole time. I might try getting those to work after the holidays...
 
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Old Dec 12, 2008 | 04:38 PM
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Default RE: LED dome light issues

Sounds like it is all coming together.

Where did you order them from?
 
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Old Dec 12, 2008 | 05:02 PM
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Default RE: LED dome light issues

I got them from www.superbrightleds.com . I have only replaced the two front dome lights. If I don't have any problems with them I will change all the interior lights to blue, except for the two front reading lights. I want to get the "cool" white LEDs for those.
 
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Old Dec 12, 2008 | 05:21 PM
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Default RE: LED dome light issues

Cool I keep looking for places to buy bulbs from I want to do my 850 in all blue as well to offset the yellow of the car.

Please keep us update on the progress of it and if you can post some pics.
 
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Old Dec 15, 2008 | 05:52 PM
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Default RE: LED dome light issues

Well... they worked for about a day. I had to pull the UCM fuse to get the OEM lights to work again. I think it will be too much of a hassle to get the LEDs to work, so I will look around for colored incandescent bulbs. Attached are some photos of the lights before they stopped working.

Pic1
Pic2
 
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Old Dec 15, 2008 | 06:05 PM
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That looks awesome!!!!
 
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