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Originally Posted by aljenkins88
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heat is allways an issue.
it is an enclosed space for the most part.
as a rule of thumb:
incandescent fixtures are made to CONTAIN heat for the most part, and LED fixtures are made to RADIATE heat.
heat will make the lamp draw more current, (heat increases resistance) and it could approach thermal runaway. (not so likely, but you never know)
but more likely, heat is has the most significant impact on the longevity of an LED aside from overdriving it (which would allso create lots of heat.)
you can try it but if you cant leave it on for 45 minuets without melting the housing or damaging the wires (heat degrades wires long term as well) it could be a bust.
you have to remember that you or a passenger might leave one on accidentally, and i think the power-cutoff-battery-saver feature is 45-90 minuets...
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i mean, its worth a careful try, but it will be difficult to get it right.
i plan on three 5mm LED's in mine sometime in the future.
i havnt had enough coffee this morning to come up with anything better.
allso, a good resource for this type of thing:
http://www.candlepowerforums.com/vb/
more specifically the automotive section:
http://www.candlepowerforums.com/vb/...splay.php?f=87
I am a member there and its a very good group.