Ford does or at least did some odd stuff with wire colors, especially ground. Black/green, black/white, black/red, black/grey, etc. I've even see some black that were power. The reason for multiple ground combos is mainly for testing identification since you could have 10+ ground circuits...
It gets super sketchy when it comes down to fitment and build dates. If I were going to take an educated guess, I'd stick with the part number that falls within your vehicle's build date. Something changed when it jumped from the N to the S but there's nothing that says whether it was a...
DZ is model and design code so it should stay with bronco, at least until a generation change. I'm not fully read on Ford reasoning on part numbers. For about ever, Ford p/n system was predictable but there are only so many alpha numeric combinations before they start repeating or overlapping...
The original Bronco part numbers started with a prefix of M2DZ the basic or middle numbers are generally universal across all models (there are exceptions) and suffix usually starts with an A and changes from there.
In the past, Ford would change the first character, number or letter, in order...
The catalogue doesn't have a stock photo to confirm and the description is very "global" and probably won't do much good. Just for comparison, my BL says "Leather #2 Black onyx, Vinyl #2, Black onyx" I have MGV, the old "high" package.
N2DZ-7804338-BB
Engineering Number
N2DV-S044A92-BD1G0B...