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 Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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