85 Citation II Ignition

Hi ho,
Just inherited the subject car; 98k and driven by an old lady (my mother(!)) when it wasn't in the garage all its life, just stopped running.
FI ok but no spark. I discovered that this automobile is not "engineered" so much as "piled" -- there is no part of the ignition system that can be reasonably reached without removing something else. So sight unseen, any notorious weak links in that vintage that I could try first or is it bleeding knuckle time?
Thanks for any ideas.
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