I am in the process of restoring my 51 servi. It has a 38' WLDR that my dad dropped in it back in the 60's. I traded my dad a 56 Willy's wagon about 25 years ago and have just now had the time to get into it. I have a guy doing some of the restor and have switched to a 12v system. He needs a wiring diagram to complete the change over. Anybody have any info on this swap? Thanks in advance.