Re: Positive or negative ground ?
Posted by gone1951 On 2009/8/13 1:04:05
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Apparently, the starter, ignition and blower motor aren't polarity dependent.
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Heater blower is only questionable one as some have said it runs backward, other say not.
The truth of the matter is that the starter motor is a series wound motor (Rotor and stater windings in series with one another) and will turn the same direction regardless of the voltage polarity. The blower motor is a shunt wound motor and
IS polarity sensitive. It
will run backwards when the polarity is reversed however the squirrel cage blower part of it will still supply air in the same direction just not as efficiently. That is probably why some people believe the blower motor is not polarity sensitive. As far as I know the ignition really doesn't care which way the battery is connected. The charging system surely is polarity sensitive.
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Just place cables in proper order and repolarize regulator per instructions.
As far as I know you are polarizing the generator not the regulator.
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