Posted by bstover7@hotmail.com on January 08, 2018 at 08:42:41 from (162.212.64.171):
Hello all. I just purchased a 1965 JD 3020 diesel standard. SN 79669. It starts fine and came with new batteries. It still has a 24v starter and has a generator. The lights are not working, but have been tested to be alright. I started looking closer and it has 2 batteries in series, but the left is a 6volt and the right is a 12volt. I think someone screwed up in their purchasing. There is no positive or negative grounds which I believe to be the issue with the lights, as there is no 12volt system.
My questions are: do I need both a positive ground on the left battery and a negative ground on the right battery? Should I put a fuse in this system, and where?
I am planning on replacing the 6volt battery with a 12volt.
Also, which is the proper way to put these in series of the 2 photos attached.
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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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