You mentioned a rebuilt Delco 10 SI?? From what I am reading, the voltage regulator is shorted--producing all the voltage & amperage that the alternator can put out. I have rebuilt over 50 of these alternators, & when they require a new voltage regulator, the critical time for failure of a new reg. is right after initial start-up [usually 2 or 3 minutes]. I have had 2 or 3 regulators fail upon start-up -- 2 from shorting [maximum charge] & 1 from going open [no charge]. 1 other thing to check---after disconnecting the wire to the #2 terminal on the alternator, try connecting a jumper wire from the battery + terminal to the terminal on the alternator which reads battery voltage --- #2 [currently has a wire connected to the hot terminal of the alternator].
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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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