The roof is a double panel. The marker lights install from the outside with sheet metal screws, nothing will be visible on the inside.

Here's a diagram. Read "Step 1", it references the double panel: http://i645.photobucket.com/albums/uu176/lakeroadster/Chevrolet%20Truck%20Stuff/8i97_zpsd75946d1.jpg


In the Stovebolt Gallery ~~ "The Orange Crate" 1965 C10 SWB Step Side Build Thread

Inspired to be different. Different in a way of my own, not in a way that others strive.