Posted by chemtimh on June 18, 2019 at 20:48:51 from (24.117.230.138):
I have a Massey 44 work tractor. It was long ago converted to 12V with a positive ground alternator, and since the alternator bearing went out I decided to quickly convert the 44 to negative ground so a new alternator wouldn't be as pricey.
I traded the poles for the wires on the coil and the amp gauge and battery. Problem is, now the starter just clicks and gets hot. All the big battery cables get hot if the start button is held down for a second or two.
Yesterday the old positive ground alternator was threatening to disintegrate but the tractor started and ran fine. Today the new negative ground setup won't turn the starter.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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