Jim,
How right you are !!
I just went back to the schematics and on a last page,
here it is.
A 10/8 AC temp sensor. And a footnote:
up to 8/94
from 9/94 > eliminated and rewired B 11/4 for FI.
I think that is when they went to Hot Film over Hot wire.
"Seek and Ye shall find"
Good one.
Arthur