Posted by c.oawright on September 29, 2020 at 08:00:28 from (174.196.14.182):
In Reply to: alternator update posted by Ellis Kinney on September 29, 2020 at 07:38:23:
Is this alternator a 10 SI Delco. If it is check the post marked 2 and see if has plus 12 volts on it. That terminal is the line that excites the field and starts the alternator.
Some have the number two post going straight to the battery plus through the ignition switch and some have it connected to plus battery with an oil pressure switch.
Put a volt meter across the battery terminals and measure the voltage. Start the tractor and see if the voltage goes up to 13.8 to 14 Volts. If not, take a jumper wire and momentarily apply 12 volt battery plus terminal to number two connector. If the voltage rises then you excited the alternator. Then look where the wire going to terminal 2 is going.
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