 | Home > Maintenance & Modifications > Problem with interior LED |
 
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| Whirly90 Member Since: 01 Sep 2016 Location: Ampshire Posts: 401   
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My 110 camper is nearly finished and we'll be sleeping in the back so i decided to install an LED light above our heads as a reading light. I took the feed from the standard interior light, through a switch and to an LED unit like the 3rd item here https://walkercomponents.co.uk/interior-lights/ . I wired it so it would only work when the original interior light was off ie doors shut and it worked as it should. I then changed the bulb in the original light for an LED like this http://fourby.co.uk/epages/950004277.sf/en...oon%5B1%5D and it worked ok but the additional LED wouldn't. When i switched it on only one of the LED's in the unit illuminated and there was a faint glow from the LED in the original light unit. I changed back to the standard bulb and everything worked as it should, is there a fix for this or should i be looking for an alternative dedicated power source for the additional LED?
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22nd Jun 2017 8:24am |
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 1000  
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I replaced the interiour light bulbs (consuming TEN Watts) with these LEDs and although the sellers claim "CAN compatible" two different LEDs show a faint glow when the light switch is in the middle position (lights on when doors open). Has something to do with internal resistance ("CAN compatibility" seems to mean that there is an additional resistor built in, so "modern cars" that check the status of their bulbs won't think the bulb is broken).
My solution is not to use the switche's middle position  |
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22nd Jun 2017 12:19pm |
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| Whirly90 Member Since: 01 Sep 2016 Location: Ampshire Posts: 401
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My 110 is a Tdi with no clever electrics so i didn't have the problem of the bulb faintly glowing when the doors were shut, only when i switched on the new LED. Rickydodah's theory sounded plausible so i did a couple of checks and it would seem he was right
 . I now had a choice, stick with a standard bulb in the original light or rewire the new light to a dedicated power source. I've just spent most of the morning removing interior trim to run wire to the aux fuse box but i now have LED's in both lights and all are working correctly  |
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22nd Jun 2017 1:07pm |
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