99 2.0 voltage readings opinion please

I checked voltage before starting was sitting at 13 I started the car got 14.44 put all accessories on and was getting 14. I disconnected the negative cable car stayed running and was reading 13.80.

Funny thing I noticed when I put the a/c on the cooling fan came on and when it did the voltage steadily fell. I dropped from 13.86 (12:41pm) to 13.47 (12:52).

After I was done getting reading I shut the a/c off and the voltage stayed at 14.15v

My question is would any of this cause my no start condition that has plagued me? Running the a/c and defrost is the only constant thing in my problem. (I have narrowed it down to that from about 5 things that was common).

1999 2.0 escort SE 5 speed sohc

your no start is a no crank or a crank no start?

check the crankshaft dampner, see if it slipped out of position.

check the crankshaft dampner, see if it slipped out of position.
the car will crank over but not fire. How would I check a crankshaft dampner?

usually between the pulley and exciter ring, there is about 1/4 in difference, when they slip there is more clearance.
with the#1 piston up top, there is a missing tooth and should be at 2 o'clock.