dmckeehan
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Posts posted by dmckeehan
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Here is link that explains how to convert the Positive to negative ground for both alternators and generators.
http://mgaguru.com/mgtech/electric/ac101.htm
Pretty easy.
Firemack
Thanks Firemack. That helps. One question though. I've been told that an alternator could not easily be converted over to negative ground. I'm pretty mechanically inclined and have a good understanding of the negative ground systems, but never worked with a positive ground system. I'm not seeing why the alternator would have problems with the type of ground system. any insight into this? also, will the regulator have problems as it says on it that it is for a postive ground system?
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Recently acquired an 1966 C-95 open cab Mack fire truck. This truck has the thermodyne gas engine. Looking to convert it from a 12 volt postive ground system to a negative ground system. It does have the big alternator with AC output as well.
I've been doing some reading in a factory service manual for the truck and it appears that it should not be too hard to convert. What i'm not sure about is the alternator. Will the alternator charge correctly as a negative ground system? Will I need to change the leads on the coils around to optimize the performance as a negative ground? Any help would be appreciated.
Positive To Negative Ground Conversion
in Fire Apparatus
Posted
Thanks again Firemack. I'll reread the pages and do some cipherin. You've been a big help.