I have been working on a wall mount too haven't had a chance to finish and hang yet. I am making the parking lights work using a 12-volt slot car transformer I used the same to make the dash lights work on the dash wall mount.
http://good-times.webshots.com/photo/2845961580102454676JbUFvQ
http://good-times.webshots.com/photo/2491521160102454676pjnILL