How to change Chocobo's palette?

Thanks for the advice. I am perfectly fine with the palette being shared with the other vehicles. I was really wanting to change them to palette 0 as the ideas I had for vehicles will all work for that palette. I'm actually trying to do all my sprites with minimum changes to any colors of palettes, as it will be easier to plan and easier to share with you all when I'm done.

If anyone figures out how to change vehicle palettes that would be awesome but if not, I'll figure something out. I've been looking through code to no avail as well

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I remember reading that the crane and some other random things were technically NPCs with palette 7. Do you think these are all linked? Or do you think vehicles are separate?