Super Winch corrosion prevention
A generous coating of
dielectric grease should help to prevent corrosion on this Super
Winch ground connection.
What I'm not sure about is
how to prevent dirt and mud from getting into the grease.
Maybe a plastic barrier held
on with a few layers of duct tape?
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About us: Anna Hess and Mark Hamilton spent over a decade living self-sufficiently in the mountains of Virginia before moving north to start over from scratch in the foothills of Ohio. They've experimented with permaculture, no-till gardening, trailersteading, home-based microbusinesses and much more, writing about their adventures in both blogs and books.
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If it's greasy, no tape or glue is going to stick.
You only need the grease between the connector and the terminal.
I would remove the connector, clean the area with solvent and seal the exposed metal with a spray-on zinc primer. Then bolt on the connector, with just a thin coating of grease applied to the contact surface. (It should still have a good connection through the zinc primer.) Paint or spray the metal and the connector with a suitable epoxy or polyurathane paint, or an underbody sealant to keep corrosion at bay.
Mark, I've used dielectric grease before and it does attract dirt, but it seems to help anyway. I never tried it for a ground connection, but I wonder if the protective spray for truck battery terminals might be a good option. I think the can I have in the shop is permatex brand.