A few coats of paint and a simple latch system is all the tailgate needed to be finished. I had to make the latch much smaller than I wanted because of space constraints, but in the end I decided on a simple pin and padlock design. Here are a few pics of the finished product.
Part 1
Part 2
Part 3
Part 4
Part 1
Part 2
Part 3
Part 4
Label: Trailgate.