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Hair dryer takes care of surface moisture... The fiberglass retains moisture though, so an oven is a must...
I honestly cant believe the board hasn't been varnished to this time! It's like 101 in electronics... You protect stuff from moisture either by varnish or by sealing them in a rubber casting thingie... (can't remember the english word right now)... I do that to anything that's going on a vehicle... Even the small unimportant stuff...
A waterproof enclosure is counterproductive unless the circuits are sealed as well, as it will never be 100% proof for moisture buildup...
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