I had one of the interior LED lights in my 2014 A-frame do the same thing.
As an EE, I'm guessing that the low bidder to supply Forest River with LED lights does not have a consistently good enough regulator on his LED lights to handle peak voltages that RVs experience. And Forest River didn't care enough to check that the regulators had sufficient voltage swing. With some converters, your DC system will have voltages from 11 to 14.4 volts or greater.
LEDs have to have a voltage within a few tenths to stay within their operating range - actual operating voltage depends on LED color, but is somewhere near 3V. Too much voltage, and the magic smoke gets let out of the LED. Too little voltage, and the thing doesn't light up. The regulator has to keep voltage and current in the operating range for all the LEDs in the "bulb", no matter what the input voltage is.
My dealer had a whole new OEM lamp assembly for $27 (ouch!). The old one was hard-wired in, so had to cut wires and install with a pair of wire nuts.
More than likely, if you never turn the lights on while the camper is plugged in (battery power only), you will never have the problem.
just my thoughts. yours may differ
Fred W
2014 Rockwood A122 A-frame
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