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Current draw
Hi, I have a 2016 150HP Mercury outboard SN 2B202320. The motor draws 3 amps when it is not running. I disconnected the little 2 wire connector that goes to the alternator and the draw goes away. But when it is running the alternator produces 13.4 volts so I have a hard time believing the alternator is bad. Could someone offer a suggestion on where to go from here? Thank you.
Last edited by 122759; 08-05-2019 at 08:32 AM.
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Mercury 3L/4 Stroke/Verado Moderator
Likely a problem in the alternator's Voltage Regulator.
I would be inclined to replicate those results several times.