Alternator question... what was i thinking?

Very common swap, Mancini sells brackets to install it though honestly adapting it to stock brackets is pretty easy....

You'll want a plug and a schematic...

https://www.ebay.com/itm/2853836396...93I0ozzMOK7pLJhVc4rBRKimA=|tkp:Bk9SR8j_lLTjYw
https://i.pinimg.com/236x/f9/8e/38/f98e38d05e54581520028f03bd8a919f.jpg?is-pending-load=1