Posted by Owen Aaland on September 23, 2013 at 00:47:18 from (216.47.35.192):
In Reply to: electical question posted by rosedale123 on September 21, 2013 at 16:43:44:
To check the wiring to the alternator you should have battery voltage at the battery stud on the alternator and also at the #2 terminal all the time. Terminal #1 should have voltage only when the switch is on. The amount of voltage is not too important but should be at least 6 volts or more to insure the alternator will start to charge at lower rpms.
As others have posted there should be some type of resistance between the switch and the #1 terminal. If not that circuit also becomes a charging circuit. You can overload the diode trio on the alternator when that happens. They are only designed to provide power for the regulator. If too large a portion of the charging amperage passes through them they will have a short life.
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