62 grand prix

I don't what engine you have but look for a one wire conversion kit.

389, Any ideas on what one to get?

Speed shops have serpentine belt conversions but I would look for the brackets from a later model car that came with an alternator. Try Chicago Muscle car parts.

https://www.chicagomusclecarparts.com/collections/65-66-pontiac-power-steering-alternator- brackets

thanks