Quote:
Originally Posted by rmstack
Would the top of the battery being wet contribute to it corroding?
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Yes, for sure. Any moisture turns to water vapor and saturates or humidifies the air inside the closed space. This water vapor is drawn to that connection when electricity runs through it. When it dries it deposits trace elements found in the water that react over time with the copper(or aluminum) The build up and corrosion causes the wire to lose continuity and eventually fail if unchecked.
If what you're seeing is a blue/white crystal build up, you've got a leak of acid that's reacting with your terminal, probably around the peg seal.(time to replace the battery imho)
To insure it won't happen again, even if it holds a little water still after drilling drain holes, remove the terminals and clean everything up with some battery terminal cleaner spray(there's home mixes you can find on the net using baking soda,etc) and resplice(cut an inch or so back on the wire to get to decent wiring again) them onto the terminal connectors using dielectric grease to coat everything. (some use vaseline) Should be no problem at all on your battery points that need worried about. The normal twice a year quick inspection when you're removing/reinstalling it for season start and end does the trick after that.
Take care,
Jason