Posted by Janicholson on July 05, 2023 at 20:22:13 from (24.240.46.228):
In Reply to: Alternator problems posted by NHbalerman on July 05, 2023 at 18:29:25:
I have a 95amp 10SI from an Oldsmobile. 3 wire setup, not a one wire, on my old Jeep. If your alternator is a one wire (as stated) it may not be reaching the RPM needed to make it start charging. One wires require alternator residual output to start, or a continuously on setup in the internal regulator, which can drain the battery when operated only once a month or so. The three wire setup is really going to do the trick. Terminal B (big output stud) has a 10 gauge wire to the battery (through a fuse link that is 5% larger in amp rating than the chosen 10SI) the #2 sedge spade terminal also attaches to that same big stud with a #12 wire and terminal ring. The number 1 terminal connects to the ignition at the Key/switch, not the coil. Ford engines use a resistor in the ignition circuit quite often, and this connection needs a switched 12v. The wire just described must have a resistor in it this keeps the alternator from making the engine keep running with the switch off. The resistor can be one of three things, it can be a light bulb like a marker light, a 10 ohm resistor (not the same as a ballast resistor), or a diode that allows electricity to flow from Key to alternator, but not the other way) 4 amp 100piv diodes are cheap from Ebay. the band on the diode needs to be facing the alternator. Jim
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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