to reg or not to reg that's not it !

Hello all.. My 69 was running hot so i install a electrique fan unit...
still running hot a second fan this time pulling now i have a alternator
problem???

how to install a internal regulated Alternator ?

what wire do i have to jump at the voltage reg box ?

and what wire at the alternator do we use the brown or W one

i got a new AC Delco altenator only got 2 wire
one heavy gage 12 volt and a smal gage from a plug in the back..

any information would be help fullllll...


thank allan