Tim,

It is not a Ford or Willys G-503, it is a Chevrolet G-4112. These trucks had the first 235's produced, and YP series and early ZP series trucks had 25 amp positive ground electrical systems.

http://books.google.com/books?id=52...onepage&q=chevy%20g-4112&f=false

Last edited by Paul_WNC; 09/03/2014 1:21 AM.

1941 Chevy 1 1/2-ton WW2 4x4 dump truck
In the Stovebolt Gallery
Lots more pictures