How to tell if my 90 hp Evinrude etech has a bad alternator

by Alex
(Grand Rapids MI)

Went out fishing on Erie Saturday only to get stranded halfway through the day because my starter battery was dead I jumped it and got it running and kept it running all day I then got the battery load tested and it is fine. I have hooked up my testers and found that the voltage stays the same with the motor running or not running that would mean I have a bad alternator/ power pack correct?

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May 17, 2019
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by: John

If the voltage doesnt rise to about 14 volts then its not working

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