Okay, when not running if you turn lights on she swings to + charge THE AMMETER IS BACKWARDS probably cuz it was originally pos ground but got switched to neg ground and no one reversed ammeter leads.
If its charging when running at fast RPM with a backwards ammeter (like you have) it would swing over to - discharge THAT WILL TELL IF ITS CHARGING OR NOT even tho ammeter may be backwards
Measure battery voltage just setting it should be around 6.3 volts for a 6 volt or 12.6 for a 12. Then when running at fast RPM if shes charging the battery voltage will rise to the 6.5 to 7 or so range, twice that on a 12 volt system.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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