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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Polarizing Generator

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Old Jun 17, 2010 | 12:53 PM
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Polarizing Generator

This may be a dumb question......when I was connecting my in-line fuse wire for my heater switch, I only disconnected the negative cable from my battery (6 volt-positive ground). Upon reconnecting, do I need to polarize my generator?
 
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Old Jun 17, 2010 | 02:16 PM
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Probably not. The field coils in the genny will normally retain their polarity when the system is disconnected for a short time.
 
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Old Jun 17, 2010 | 07:59 PM
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The only time you need to polarize is if you replace the generator. As BOR noted this procedure is to install a magnetic charge in the generator filed coils and once it is done it's perminent (baring a rebuild, demagnetizing or alien abduction).

Most regulators tell you to do it when you install a new regulator and that's fine - it won't hurt anything to do it again.
 
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