Someone on this site clued me into this one, good price and it's made to fit connections in my 53.

http://www.classicparts.com/1953-54-Wiring-Harness-Generator/productinfo/52-025/


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed