Thread: RPM gauge
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Old 05-14-2022, 06:54 AM   #8
diver dave
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City: Palm Coast, FL
Vessel Name: Coquina
Vessel Model: Lagoon 380
Join Date: Jan 2017
Posts: 2,570
You appear to have a Delco “one wire” alternator. Does not have a tach signal.
There must be a different signal source.
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