1989 mariner 3 stroke

by Cam
(Fort Erie Ontario)

DC voltage climbs up to 19.6 DC volts after running for less than 10 minutes..new starting battery installed..is this a rectifier fail?

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Jul 18, 2021
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starstarstarstarstar 		Overcharging battery
by: Anonymous

sure sounds like a bad voltage regulator. the voltage regulator as it is aptly named, regulates the amount of voltage output from the alternator to the battery.
Jul 17, 2021
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by: John

Most probable cause is a regulator failure

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