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Interior light stays on with LED bulb.

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mk2polobloke Part of things Posts: 801	Interior light stays on with LED bulb.mk2polobloke @mk2polobloke
	Jan 25, 2014 23:42:43 GMT Select Post Deselect Post Link to Post Back to Top
	Right, I've fitted an interior light delay unit that I bought off ebay to my Berlingo van. It really works a treat, just the job. I then fitted an LED bulb to the interior light only to find the bulb stays on after the delay unit has done its bit, albeit very dimly. Works fine again after reinstating the normal bulb. Anyone got any idea why this is and how to get around it? Thanks in advance, Richard.


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joem83 Posted hell of a lot Posts: 7,039	Interior light stays on with LED bulb.joem83 @joem83
	Jan 26, 2014 0:08:58 GMT Select Post Deselect Post Link to Post Back to Top
	They kind of do that sometimes, have you tried the LED without the delay unit? I have heard of this happening with LED bulbs before. forums.mg-rover.org/showthread.php?t=381361 www.seatcupra.net/forums/showthread.php?t=371429 www.cliosport.net/forum/showthread.php?662195-Interior-LED-Bulb-Problem It should be fine, just call it mood lighting if anyone asks lol.
	Last Edit: Jan 26, 2014 0:18:20 GMT by joem83 1991 Mk2 Golf 1.8t 20v - Project Modus Operandi: 2) If you haven't got something constructive to say, say nothing

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Battles Scotland Posts: 1,568	Interior light stays on with LED bulb.Battles @1001ab
	Jan 26, 2014 20:09:40 GMT Select Post Deselect Post Link to Post Back to Top
	I think this is normal for a straight LED bulb where a conventional bulb would be expected. I have them in my W124s and they don't cause a problem with battery draining or anything. I guess with the normal type bulbs they would be drawing the same low current/voltage all the time but the bulb needs more than that to come on. You get ones that have some sort of PCB in them for systems where the car monitors for bulb failures and will throw up an error if a low resistance LED is used. I have them for my modern toss Benzes. The non-PCB ones cause an error in the moderns but the PCB ones don't glow in the retros. Another thing that might help is that my W124 estate has remote locking and an immobliser. The LED will glow in that until I lock AND imobilise it. Maybe the imobilser kills the power completely?


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composimmonite Posted a lot Posts: 4,681	Interior light stays on with LED bulb.composimmonite @composimmonite
	Jan 26, 2014 20:52:54 GMT Select Post Deselect Post Link to Post Back to Top
	Three choices - either fit normal bulb, remove delay circuit or live with it ! Realistically a flashing LED to indicate immobiliser working wouldn't worry anyone about draining battery so neither is a LED interior light glowing slightly. The only thing to watch is if you have voltage sensing alarm system which expects a 5w bulb to draw power when door opened so with LED the alarm wouldn't be triggered. Paul H


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mk2polobloke Part of things Posts: 801	Interior light stays on with LED bulb.mk2polobloke @mk2polobloke
	Jan 26, 2014 21:07:05 GMT Select Post Deselect Post Link to Post Back to Top
	Thanks for the replies chaps. If it don't work properly with an LED bulb I'd rather stick with the original type. Cheers, Richard.


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Deleted Posts: 0	Interior light stays on with LED bulb.Deleted @Deleted
	Jan 26, 2014 21:32:09 GMT Select Post Deselect Post Link to Post Back to Top
	depending on the type of bulb have you tried rotating it 180*?


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