know this is a little late, but what i did with mine as a custom touch was install clear lenses with red l.e.d. bulbs. i picked up the clear lenses @ a truck stop (back up lights). screw holes lined up perrfect. whole affair looks pretty sweet with my custom built smooth
tailgate and rolled pan.
Mikie
near ottawa canada
64 merc econoline p/u 1958 Merc 100 panel