The Ford Barn

Chris Smith · 07-27-2014, 06:31 AM

I have a 31 A that was successfully converted to a 12 V Positive Ground. I was having problems with the alternator and changed it out for a new 10SI, 60 amp unit. Easy one wire install, but had bad results when going to jump the car. I think I need a positive ground alternator. I know there has been some debate on the reality of a positive ground alternator on this blog so I am asking again. Is there a need to run a positive ground 10SI alternator in a positive ground installation?

07-27-2014, 06:31 AM	#1
Chris Smith Junior Member Join Date: Jul 2014 Location: Wakefield, RI Posts: 1	Positive Ground Alternators I have a 31 A that was successfully converted to a 12 V Positive Ground. I was having problems with the alternator and changed it out for a new 10SI, 60 amp unit. Easy one wire install, but had bad results when going to jump the car. I think I need a positive ground alternator. I know there has been some debate on the reality of a positive ground alternator on this blog so I am asking again. Is there a need to run a positive ground 10SI alternator in a positive ground installation?

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