Looks like the AD harness is the $150 price, just putting one in my 53 and don't see why it wouldn't work in the 46. I'd compare schematic for both trucks. May be a couple things different but easy to change. Good luck

P.S. Got mine from Chevs of 40s.

Last edited by JiMerit Boltr#43; 04/17/2014 3:55 PM.
It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed