Might want to try over at the SOITC forum--lots more new unit owners over there.
But seems to me I have read that the wires are hidden near one of the roof plumbing vents?
2016 Tiffin 40 QBH
2015 38RSSA, traded
2005 TK3 #1869, 10 yrs of memories,
2017 F450 KR--one more Ford is it
2009 F450 4x4-died; 2010 F450-retired