Why does my 2002 ford explorer 4.6 liter not turn over but have a full batter?

Why does my 2002 ford explorer 4.6 liter not turn over but have a full batter? - 1

Neutral safety switch relay or fuse comes to mind.

Make some pancakes with that batter and that might help.

Bad ignition switch, bad starter, bad starter relay, bad neutral switch, bad wires, corroded connections etc etc. See a mechanic.