1997 Volkswagen Jetta Repair Question
This is just a fuse box. You need to get the water out of it. It will eventually dry up on its own, but if you can park it in the sun or have your mechanic dry it out by blowing compressed air in it that would work. After it dries out you should be fine, but since it has gotten hot you might need to replace some of the connections in the box itself.
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I know this is an old post, but for others reading this...
That black box is the Cooling Fan Control Module:
If the internal parts fail, it will affect the radiator fan operation!
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