Thread: RPM gauge
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Old 05-13-2022, 02:30 PM   #3
diver dave
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City: Palm Coast, FL
Vessel Name: Coquina
Vessel Model: Lagoon 380
Join Date: Jan 2017
Posts: 2,387
Yeah, put a ac voltmeter on the alternator W terminal. More indirectly, a dc voltmeter on the D+ terminal to help analyze.
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