Sure they can go bad, Ive seen many where the needle is mechanically stuck (rusted) and doesn't move. However they don't often go bad such as an open circuit. As long as they are continuous they still can pass current even if the needle is stuck and cant move. An "ideal" ammeter is zero ohms.
One test is to pass a magnet across its face and see if the needle moves back n forth. Another test is an ohmmeter and it should be continuous and read very low ohms.
Par 5 of my troubleshooting procedure is an easy way to see if non charging is the fault of the genny or VR or other causes...for a Class A system
To be safe Id polarize the genny, see my procedure for how.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - It Can't Be Done! - A Tractor Story - by Neil Campbell. I'll never forget the time back when I was a boy baling hay on our Farm in Big Rapid, Michigan. The most memorable event that took place was a trip up the steepest incline on the farm pulling an old New-Idea baler with a pony-motor for power and a haywagon. I had just talked my Dad into buying an old John Deere B with 6-speeds ahead and I was real proud of it, except it was a little smaller than the Case tractor that we normally
... [Read Article]
Latest Ad:
Rebuilt Injection pump for J D 1010. Call or text for pictures or more imformation.free shipping.U.S. No core charge
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.