Posted by Jon Hagen on August 31, 2012 at 11:17:20 from (69.26.17.61):
In Reply to: 300 ignition posted by Dave8N in Pa on August 31, 2012 at 10:49:40:
IF the tractor has a SI series Delco alternator, the link below gives a good wiring diagram that works with most gas engine tractors with distributor ignition.
The high charge rate on a SI series Delco can result if the Sense wire (marked #2 on the alt rear case) does not have a good connection to battery voltage. This wire is what tells the alternator what the electrical system voltage is so the alternator can adjust it's output to produce a constant 13.5 -14.5 volts. If the #2 sense wire has a bad connection or is not connected to the battery / electrical system, that will cause the alternator to charge at maximum output all the time.
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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