alternator size

[David Conner]

"Can anyone tell me what amp rating alternator came on '87 5ks, and if
there is a way to tell looking at the outside?"

Nick,
My  87 5ks came with a 90 amp alternator.  

The original alternator would have a Bosch label on it which would give the
rating, but the reman units all seem to have lost the label.  Aside from
the label I don't know how to tell what the amp rating is.
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Dave C.