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Charles
Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3981
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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Why would my mercury 70hp 1988 blow the voltage rectifier, I

Customer Question

why would my mercury 70hp 1988 blow the voltage rectifier, I replaced the old one and the new one is now shot
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

Hello, my name is***** will assist you.

What you have is either a shorting stator, or there is a short to ground in the boat. this can be as simple as a wire connected incorrectly, or even a failing battery. If you are trying to charge more than one battery with the engine, that can also do it, as this engine was not designed to run several batteries.