Re: Ampmeter

Posted by Hal/WA on August 10, 2006 at 21:10:53 from (66.45.175.118):

In Reply to: Ampmeter posted by Matt Kane on August 10, 2006 at 17:18:09:

Be real careful. Lots of ammeters are not designed to handle the amount of amps alternators can put out these days.

My son and I put a 60 amp GM alternator on his Scout after the Motorola alternator went bad and we prices a rebuilt Motorola. The way the Scout was wired, it put the total output of the Alternator through the ammeter. We would have been OK if the battery had been fully charged, but it wasn't. After about 10 minutes of running with the new alternator, the ammeter started to smoke. Luckily, my son was in the driveway and we stopped it. It didn't ruin the ammeter, but we probably could have had a dash fire if we hadn't noticed it when we did. The Scout spent the night on the battery charger and my son never let it get discharged again. 60 amps is a fair amount of power. I think the stock alternator was about 30 amps, and even that was probably quite a load for the ammeter.

My guess is that your 1 wire alternator puts out a lot more power than what it replaced. Good luck!

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