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Old 11-30-2021, 12:13 PM   #2
pjmoreland
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Join Date: Jan 2005
Location: CA
Posts: 6,253
Re: Volts Are Up, Oil Pressure is Down

When I first bought my truck, it had an internally regulated alternator installed, and it still had the original external regulator. In addition to that, the wires to the alternator were backward. The voltage was going high like yours. Post some photos of the back of your alternator and of the wires down at the external voltage regulator.
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