Looks good. Are you sure that's a 3/4-ton? It looks like a 1-ton bed.
I believe the single-unit body fenders are narrower than the pickup fenders.
Yes on the '46 harness. As far as Chevy was/is concerned, there is no such thing as '47 first and second series. Though trucks that many call '47 first series may have been built in '47 and titled as '47's, they're still '46 models. All '47's are AD's.
