I'm looking to mount a trolling motor at the bow of a 2019. Does anyone have any ideas on how to access the nuts on the mounting plate inside the bow when installing. I have access thru the anchor locker but I can only reach as far as the nuts that secure the cleat. There is no way I can reach all the way forward to secure the plate. Also, would sealing the holes I drill with something like 4200 be the best method to waterproof? Thanks.