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M-H 22 - positive or negative ground?


 
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Sam in Pa.
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PostPosted: Thu Dec 27, 2012 5:55 am    Post subject: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

Took old dead battery out of my 22. Got new battery
but forget which is proper hook-up. It runs just
fine on negative ground,but is it right? What will
be harmed if hooked up backwards? Thanks, Sam
 
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rustred
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PostPosted: Thu Dec 27, 2012 7:57 am    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

it should be 6 volt pos. ground. just look at the cables as the pos is the larger batt post. the tractor dont care which way the batt is hooked up as it will run either way. but the ampmeter will show discharge if hooked backwards.
 
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PostPosted: Thu Dec 27, 2012 9:35 am    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

Uf still 6 volts then it should be + ground but you never know since it could be set up backwards and the generator polarized for - ground. If converted to 12 volts you stand a 99% chance it is - ground and if you hook up the battery wrong you will let the smoke out of the alternator the moment you hook up the cables
 
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ED.R.
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PostPosted: Thu Dec 27, 2012 10:58 am    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

EXPERIENCE TELLS ME THAT IT WILL BE POS GND, SOME AND PERHAPS ALL MASSEY HARRIS CAME WITH POS GND , AND MANY THE STARTER WILL NOT WORK WITH A NEG GND. OTHERWISE IT WILL WORK AND RUN JUST FINE
 
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PostPosted: Thu Dec 27, 2012 11:35 am    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

Never yet found a starter that cared if it was + or - ground, A starter motor is not the common DC motor and will spin the same way not matter how it is hooked up. So what starter off what machine does not work as I said??? I have done over 100 12 volt conversions and all had to be switched from + ground to - ground and All the starter worked just fine?? 5 plus where MH tractor by the way
 
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Sam in Pa.
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PostPosted: Thu Dec 27, 2012 2:28 pm    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

Thanks guys for the info. It is converted to 12 volts. Thought that if I had the battery hooked up wrong that it might burn points quicker? Just a guess.
 
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PostPosted: Thu Dec 27, 2012 5:04 pm    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

12 volts as in with an alternator???? If it has an alternator and you hook it up wrong the alternator will smoke and when I say smoke I do mean you will smell it the moment you hook it up wrong
 
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rustred
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PostPosted: Fri Dec 28, 2012 8:46 am    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

should have stated 12volt as thats totally diff than old 6v with generator. cant get correct advise when when dont have correct info.
 
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PostPosted: Fri Dec 28, 2012 9:49 am    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

Well that is a yes no and sort of thing. If you look at what I told him in the first place I covered them both as in if it has an alternator and you hook it up back wards you will let the smoke out the moment you do so. Just takes a lot more words to cover it all so yes the better the info a guy gives the easier it is for us to help him help him self LOL By the way just giving you a hard time and not being mean just being me and I do like to joke around from time to time and this is one of those times
 
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David G
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PostPosted: Fri Dec 28, 2012 2:07 pm    Post subject: Re: M-H 22 - positive or negative ground? Reply to specific post Reply with quote

Take a look at the coil and see if the + or - terminals where hooked to the distributor. That SHOULD show you which way it was hooked. It will start and run either way, but not charge unless polarity is correct.

Will probably be + earth if generator, and - earth if alternator.
 
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