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LED Lights Glow After Being Turned Off


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#1 Wandering Sagebrush

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Posted 12 June 2021 - 01:47 PM

The recent LED questions reminded me of a strange phenomenon in my Northern Lite.   Several of the LED dome lights glow (one or both) cards after the switch is off.  It’s kinda a nice night light for middle of the night runs to the bathroom, but I suspect I should fix it permanently.

 

I spoke with Keith Donkin, the GM and apparently the only customer service rep at NL (he’s easy to contact and does respond to email and VM), and he told me it was humidity.  I’m not sure I believe that.

 

In one instance I swapped card positions, and it went away.  In another, I just pulled the cards and said phoey.   Has anyone else seen a similar phenomenon?  If so, was there an apparent cause and fix?  Inquiring (lazy) mind needs to know.


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#2 Jon R

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Posted 12 June 2021 - 11:45 PM

Do the LEDs share a ground wire with other loads?
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#3 Wandering Sagebrush

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Posted 12 June 2021 - 11:53 PM

Do the LEDs share a ground wire with other loads?

Unfortunately, I have no idea how the writing was done.  It’s possible.


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#4 Jon R

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Posted 14 June 2021 - 05:32 AM

Is your camper ground connected to your truck ground? I was getting very dim glowing when I was attempting to run an isolated ground system but had a sneak ground connection due to the ground wiring in the camper tying the ground for the marker lights (for which I believed I had isolated the ground and was powering from the truck) and the ground for one of the exterior flood lights.
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