I was told by Joe at the old MC of Charlotte to spray everything with WD40 including hoses and wires. That it would protect everything but basically evaporate by spring. (Maybe not exactly evaporate, but it disappears)
'97 Prostar 190 - LT-1
Prior boats - 2009 X14, 2008 X14, 2005 197, 1988 Tristar 190, 1989 Prostar.