It's like slide and pin locks, or the color of the flex circuit.
Who is 'right' and who is 'wrong'?
I don't care.
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.