I just hit mine with the pressure washer at the car wash. But you are right its a pain the the a$$ when you are trying to winch out of a mud hole and the alt has quit working. I'm planning on building a splash guard for mine. Not sure how much it will help though.
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'89 XJ 4" lift, Warn Combo mount and 9.5ti!
31s, 4.10s and rear lockright!
That's enough(for now!)