You just need one capacitor.
Usually it's attached to the ignition coil.
With the 1G and external regulator there is one, because the contacts inside are switching on and off all the time.
Electronics has put an end to this, with newer units.
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.