Re: Overcharging alternator and buzzing voltage regulator
So... I checked the voltage from the positive battery post to the alternator output stud:0.2 volts. No volts read on the negative end.
However, I’m currently letting the truck run at idle at operating temp with headlights, high beams, and heater blower running. The voltage is currently at 12.3 and falling slowly... So turns out I don’t have something adjusted right in the regulator.
What’s odd is that when I checked the voltage right after starting the engine, it was at 13.5 volts (12.7 volts before starting the engine). My dad is telling me that temperature is the cause of this, but it’s only 50 degrees outside. Shouldn’t the alternator be sending out at least 13.5 volts regardless of accessories and temperature?
I’m seriously considering converting to a 10-SI and calling it quits on this wild goose chase.
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