Re: 12v to field post on 6v generator??

Posted by Jon H on March 15, 2004 at 09:54:38 from (69.26.17.234):

In Reply to: 12v to field post on 6v generator?? posted by Darren in TN on March 15, 2004 at 07:47:17:

Do you mean 3 wire Delco 10 SI alternator? If so the regulator is internal. The alternator/regulator exciter wire(#1 marked on alt case) will excite the alternator just fine with either 6-7V after the resistor or with full 12V without a resistor. The sense wire(#2 marked on alt case) in the regulator plug senses the voltage in the electrical system and is what controls charging voltage. The #2 wire is normally connected to the BAT stud on the rear of the alternator so the voltage reading is taken right at the alternator output. A disconnected or poor connection in the #2 sense wire will cause the alternator to charge flat out with no regulator control and will get it hot enough to burn out pretty quick. Also a failed regulator(rare) will cause them to charge too hard. With the tractor running fast,the voltage measured at the battery posts should not exceed 14.5-15 volts.

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• Re: Re: 12v to field post on 6v generator?? Darren in TN 10:48:58 03/15/04 (0)

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