Posted by Janicholson on October 08, 2023 at 13:39:36 from (24.240.46.228):
In Reply to: Wiring issue posted by JD39B on October 08, 2023 at 11:09:38:
Low voltage at the coil is likely the issue. Several things can be involved. Maybe more than one. A battery that has a volt reading of 12.4 (not running)is not charged enough, or is weak. Small 12v cables. The Copper needs to be 3/8 inches thick, 0-gauge. The starter motor needs to draw 200 amps or less while cranking. There are gauges for this. Starters can drag internally from worn bushings. Poor connections or internally corroded cables. All these things can drop battery volts below the threshold of spark. Hand cranking allows full volts to the coil. Jim
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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