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pete hyser (4501pete)

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Posted on Monday, March 14, 2005 - 3:23 pm:   

ive heard a few different things other then switching the diodes...does anyone know how to convert a 4501 to neg ground?
thanks
pete
jimmci9 #2

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Posted on Monday, March 14, 2005 - 6:24 pm:   

just do it... the repolarize.....you've got a generator instead of an alternator, right????
DMDave

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Posted on Monday, March 14, 2005 - 6:59 pm:   

Pete, i spent 3 years before we changed over our GM from + to - ground. We had a Leece Neville alt. We just had to change over the leads and replace the oil and water guages on the dash. the alt. had + and - leads so that was easy. Im pretty sure you can find something in the archives. There was a article in the Feb 1994 issue of Bus Conversions that outlined the diode change over if you are keeping the generator. For us the dreading was worse than the changover.
TWODOGS (Twodogs)

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Posted on Monday, March 14, 2005 - 7:13 pm:   

the two wires on the amp guage need switching & alt.changeover----other than that...radio ,if you have one
FAST FRED

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Posted on Tuesday, March 15, 2005 - 5:31 am:   

If your a FMCA member they have a series of articles from many years ago describing in detail the conversion on a pos ground 4104.

Should be close enough for you.

FREE from their reprints section.

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pete hyser (4501pete)

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Posted on Tuesday, March 15, 2005 - 10:08 am:   

Jim,its an alt..

so the diodes get switched over.. there is no amp gauage..what about the speedometer..the rest are idiot guages..
im looking in the archives now

thanks

pete

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