I'm sure it was an accident (I can't think of any reason to convert a Neg earth vehicle to Pos earth). But if the person was careless enough to hook up the battery backwards (it's not hard to get them correct) then no telling what else they were careless about.
Four wheel drive allows you to get stuck
in places even more inaccessible.
62 88 Regular
67 109 6cyl NADA x2
74 Lightweight - The Antichrist
95 DI 5-speed
95 D90 5-speed
97 D1 Automatic