I'm getting ready to pull my hair out. Batteries went south last fall. I didn't have time to replace them so it sat for the winter. 3 weeks ago I put brand new yellow top optimas in it. Had a hard time starting it, i guess my block heater or cable is bad too. After trying about 10 times, letting the starter cool inbetween tries, it finally started. After a few minutes of running the alternator pegged 18. I don't know how long it was there but no more than 2 or 3 minutes. Then it wasn't charging at all. I took the alternator off last week and took it to a rebuild shop and it tested fine on the bench so the guy tells me there was a lot of problems with the stator shorting out intermittently so I had him go through it. Picked it up yesterday and put it on. It still isn't charging. New batteries, should be good alternator, all connections are clean and I checked voltage at field wires 12v on 1 1.5 on the other. Anybody got any ideas.