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Farmall & IHC Tractors Discussion Board

Re: 12V positive or 12V negative?


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Posted by LarryT on January 06, 2011 at 01:16:55 from (68.35.57.27):

In Reply to: 12V positive or 12V negative? posted by Tim n Texas on January 05, 2011 at 07:54:07:

If it's working you have it right. I have only seen one negative ground alternator and it was a 6volt alternator that was offered on the 1952 Buick with the inline 8 engine and it had duel batteries so that you could crank the thing. Grandpa decided to convert it to 12 volt negative ground. He changed out the bulbs to 12 volt bought a new 12volt alternator and voltage regulator, and ONE 12 volt battery and about 6 months later the factory started offering the 12 volt system as a standard feature. They also came out with a kit you could buy and have an authorized shop install it. Their kit cost I think Pop said about $75.00 and another $150 to put it in. It took him 2 hours and $30 in parts, and that includes the battery, alternator, regulator, and bulbs. The kit changed the whole engine to dash harness. We never did figure out the reasoning for that. So I learned from a young age, If it ain't broke, don't fix it. LOL LarryT


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