Guessing is over, is one of the wires below the bench (Inside), Reace solved the puzzle,
The insulation actually traps the cables and help to keep them in place besides of protecting from corrosion.
And by the way the new instructions from Reace to winterize are the ones I followed putting antifreeze in the fresh water tank and then pump to fill the lines bypassing the water heater, You didn't receive them on Your e mail?
I followed those instructions point by point.
Thank You all for Your efforts. You are all most kind.