Check voltage at the battery posts with the charger connected and running. voltage must be 13.5V or higher to charge a 12V battery. Sounds like your old charger has weak or failed rectifiers, not too hard or expensive to replace. If it has button diodes, many tines the cheap connectors are not connecting with the button terminals. A cleaning and tightning of the contacts will sometimes be all that is needed to repair the charger. You need an ohmmeter to check the rectifiers for open or shorted condition.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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