We have been in our 3970 for about three months. I have still been learning. Tonight, I was doing a modification in the front closet and noticed two lights in the shelves. HOWEVER, I could not find where to turn them on. I assumed they would be with the light switch for the closet. But that is one of the lights that has the built in switch. I also thought they might be burnt out, but when I removed them I don't think they are.
SO, Who knows where these lights turn on from? Tommorrow I will test the bulbs in another light fixture to see if the bulbs are good.
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Chris & Donna
2014 Voltage Epic 3990, 600AH LifeBlue, 1895W Solar, 3K Magnum w/AGS, 3X Micro-Air ES
2018 RAM 3500 Laramie Sport Crew Cab 6.7 Cummins, AISIN 4X4 DRW 4.10 Long Bed Dually