There are two seperate wiring harnesses exiting the backside of the Fuse panel under the hood of a Chevelle...
One is an Engine harness and the other is a Light harness.
You may have purchased a Light harness for an INTERNAL regulated Alternator...no wiring would have been provided for a regulator.
What does the alternator plug look like?? Horiz or Vert spade connections?
EXTERNAL...
INTERNAL...
