Ron you should try a search first...we just went thru this with me...LOL
I have a Ford STD PAW 60 amp chrome alt. with no markings on the terminals..just coloured isolating terminals.
Also have the 4 pin external voltage reg.
Thank the board for the multitude of information when a guy is in need.
Scroll down to the bottom to see if your alt. looks like Bob Putnams pic. Good diagrams form Bob.
alternators and regulators
Hope this helps
Tim