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      11-10-2023, 06:06 PM   #3
M_Bimmer
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Drives: G12 B7, G07 XB7, F02 B7, 991.1
Join Date: May 2020
Location: Left Coast

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What's the voltage with the engine running? (An inexpensive DMM will suffice)

If 12.x'ish Volts, you need a new voltage regulator, which is mounted on the rear of the alternator. The brushes eventually wear down.
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Last edited by M_Bimmer; 11-10-2023 at 06:14 PM..
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