I notice my 12v lights dim and brighten when the batteries go into different charging modes. Not often but from time to time. I don't notice 110 lights dimming anymore because my EMC will shut the whole system down if I have a spike or a drop in voltage..Unless its doing it a lot I don't think you need to worry about it.
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2008 MS 4212 2007 Freightliner M2 MountainMaster..2012 Victory Cross Country behind the cab. 2011 Honda Fit pushing the FL and the MS
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