He says 'enclosure' in the title, and then refers to 'rear enclosure'. From the looks of it, the whole thing is un-used. He never mentioned snaps, so my question would be, starting in the middle of the windshield, how far around do the snaps line up, or does each one have to be incrementally...
Plastic deck drains you can monitor, plastic through hulls need to be replaced. The old ones often break off in your hands when you try to replace them.
How about a drum windlass, like EZ Anchor Pull, with 150 feet of nylon shock rode, and a small diameter braided backing.
https://www.ezanchorpuller.com/collections/renegade-heavy-duty-series-drum-anchor-winches-for-boats-to-60
Yes, you can use a barrell latch, but they have no give if they go through the glass on the sides. Sooner or later, someone's not paying attention when they raise the motor, and you end up with a busted wave gate, or motor cowling.
Disconnect the Blue and green wires from the tilt motor at the relay. Ground your multimeter to the black post, you should have 12 V on red, zero on blue and green. When you hit the up switch, you should have 12 V on blue and zero on green. When you hit the down switch, you should have 12 V on...