Good friend used Corvette taillamps in the stepside fenders, must have been from 70's. He used 2 on each side, one above the other tipped over on their sides. had to make a small rubber wedge spacer so they mounted correctly. I seem to remember there was some weird thing about the light socket assemblies, he bought the lights and sockets over-the-counter at the downtown Chevy dealer in Houston. had to silicone the backs of the lights where the sockets plugged in to eliminate drowning problems since on vette they are inside.
Man, they looked cool. Everywhere he went people asked him about those lights. It was about a 77 black short wb, short box 1/2ton stepside, with inline six and auto, had cragars and radials. Somebody in town is still driving it I'm sure.