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Massey Harris & Massey Ferguson Tractors Discussion Forum
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Alternator conversion

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justinjones6381

12-27-2017 09:52:03




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What type conversion kit would I need to go from a generator to a alt. on a 51 pony.




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old

12-27-2017 10:26:46




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 Re: Alternator conversion in reply to justinjones6381, 12-27-2017 09:52:03  
I NEVER buy a kit to do that. It is simple to do and many times one can flip the generator bracket and then bolt an alternator to it. I use an alternator made to fit a 1980 Chevy pickup no power any thing no AC costs around $45 at O'Reilly's with a life time warranty to boot.



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justinjones6381

12-27-2017 10:46:55




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 Re: Alternator conversion in reply to old, 12-27-2017 10:26:46  
After installing an alt do I need to setup everything else for 12 volts or would it still be 6



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rvirgil_KS

12-27-2017 18:12:59




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 Re: Alternator conversion in reply to justinjones6381, 12-27-2017 10:46:55  
With an alternator you will need to switch from positive to negative ground. (Swap leads on ammeter, if you have distributor and not magneto the negative post on coil should go to side of distributor, add a resistor between switch and coil or change to a direct 12 volt coil no resistor required such as NAPA IC14SB.

The points and condenser in distributor don't care if they are positive or negative ground, 6 or 12 volts. 6 volt starter should work on 12 and will turn same way with either positive or negative ground. I would also replace the wiring if it is old and cracked.

Change lights to 12 volt.

I agree with Old, I would get a GM alternator not the kit.

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old

12-27-2017 10:50:11




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 Re: Alternator conversion in reply to justinjones6381, 12-27-2017 10:46:55  
If it has a distributor ignition you would need a ballast resister in line with the coil between the ignition switch and coil like the O'Reilly's VR-1



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