smkettner wrote:
Is the RV plugged in or just the charger connected?
Does the condition continue after removing the charger?
I can not see (for certain) if the second part of this question was answered so I will ask it again, did the condition continue after removing the charger?
If the answer is yes, it did exist without the charger then it is from high voltage distribution lines. If the answer is no it does not exist without the charger then it could be because the charger DC output is floating 1/2 way between the 120 HOT and NEUTRAL which is very common when there is no 3rd wire ground connection between RV chassis and pedestal EARTH/GROUND.