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1969 Merc 1000 TOP serial: 2685637 Over-charging?

Jaybey

Contributing Member
Hey guys, starting a new thread in the interest of not straying off subject in my last one.

As mentioned in previous posts, I've installed a new rectifier (Sierra 18-5707) on my motor. The last one had the original deteriorating wires, was arcing and melted down.

I'm now reading about 16 - 16.5 volts at the battery, engine warm and idling.

Seems hi... if it is, what can I do to bring it down?
 
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