Popping off the plastic panel on the bottom of the hatch is easy enough, after you remove the two screws that hold the handle on. I then drilled through holes for the wires, secured the lights, and wired them together. I wrapped the battery pack in foam so it doesn't rattle.
99 uzj100, gx470
05 525EXC, 01 XT225, 07 TTR90, 07 CRF50