Sorry Typo.What do you mean a steel rear? You've been doing the "Buns of Steel" workout? Or you've got something other than normal Jeep fiberglass hard top?
Mounting her lights was just a matter of loosening the bolt on the liftgate hinge, slipping the bracket in behind it, and retightening it. You do need to get the wires inside somehow. My choice was drill a hole and put a grommet in it.
Rear Steel Bumper