Nice thought K1500_4X4
I would leave the silver silver but sepperate the clear outside cover, tape off the reverse light area and give the inside one light coat of red laquer.
Those round holes could easily be filled with
These The laquer would diffuse the 15 degree beam from them and be visible from the front and sides, and the silver will still act as a relfector while helping bounce light outward.
make it better for less with your local junkyard
"I found JESUS!, If unclaimed for 30 days he's mine for good."