in message news:...
The charging circuit on the 97 Aerostar finally failed completely. The
current had been cycling when running and headlights were on, but was
too intermittent to get it checked out. I drove it 1/2 hour today, no
problems starting or running. Parked. Then a couple of hours later
went out to start it, engine turned over slowly and then slowed to a
stop without starting. Tried again and the solenoid was chattering.
Did not notice what the ammeter read before it went dead.
I then put charger on the battery. 2 hours later, it cranked right up.
While idling,I saw that the ammeter indicated it was discharging about
midway between far left (discharge) and mid-point.
I'm letting the battery charge over night so I don' t get stranded while
running for parts.
Now what I need to know - how to isolate the problem to the alternator
or the voltage regular. Also, if it's one or the other, how difficult
is it to r/r myself?
Would you recommend having O'Reilly's check out the alternator or
* Or better yet, how can I isolate it? I remember taking a car to
O'Reillys years ago for the same problem. They put the meter on it and
said right away that the alternator was bad. I had the local shop
change alternators, but then the old unit checked out good. The problem
had actually been loose connections at the alternator.