GM pickup coil and ignition coil mismatch

[Robert Wilkinson]

Just read a little blurb from a service manual:
"Ingnition coils with Red and White leads should be matched with pick-up
coils having either a Clear, a Black, or a Blue connector.  Ignition coils
with Red and Yellow leads must be matched with pick-up coils with a Yellow
connector."

Mine don't match, and I'm trying to trace down a high rpm miss.... think I
am on the right track??

-Robert