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    Should Voltage increase

    I have a 97 225 Yamaha OB. Should I see a votage increase on my Yamaha speedometer when I open the trottle when on the Battery mode ? I am sure I had always seen an increase in voltage in the past. Any ideas as what to check first. I think it may be the Rectifier/Regulator . Any ideas ...
  2. B

    alternator question

    I have a 97 225 Yamaha and I just noticed that when I accelerate and check the Bat mode that it does not increase the voltage when the engine speed increases. I keep the boat in a lift and have a 3 stage charger that floats the batteries. When I was out I noticed that I had 12.4 volts and that...
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