Removing a battery cable from a vehicle while it is running is a bad idea in my book. The alternator could surge and fry everything electrical. Test it the right way, using a load tester and voltage tester.

Dan

92 Rodeo, 3.1 TB crank, custom bumpstop spacers, DOR shackles, Flipped ball joints, D44 Rear, 4.56s and new magnaflow cat and dynomax ultraflow muffler Since been replaced by a 2 door Explorer on 31's shackles, cranked torsion bars and full exhaust