1987 Toyota Pickup "skin decks" Questions

...one on each side. there are two clips under the back at the bottom under the car in the bumper skin remove the clips using 2 screw drivers one on each side of the clip work the center out of it ...

...for the strap clamps, and used caulking on the threads. (You are piercing the paint, or outside skin of your siding. Need to make it watertight)I cut a 2-1/4 inch hole through the soffit, making ...