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Old 06-25-2012, 12:10 PM   #158 (permalink)
jamesqf
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Quote:
Originally Posted by Formula413 View Post
I've noticed that on my car the voltage seems to occasionally cycle between 14V and 12V during normal driving. I am guessing that it does this when it sees the 12V battery as charged and stops charging it.
Mine too. My guess would be that (just like an alternator) there's a circuit to keep from overcharging the battery.
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