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Ford Tractors Discussion Forum
Show Parts for Model:

Re: 12 v positive or negative ground

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soundguy

03-22-2013 18:53:14
108.112.160.44



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they both DO NOT apply to the same type of field circuit.

you can't use generic info, mixed togehter like cookie dough, and then apply it to stuff it does not apply to.

i gave you info in my last post how to determine what circuit type your reg is. if that reg is the specified one for your machine..and you have the oem genny.. then you know what circuit type the machine is.

from there.. you know how to polarize it

( bat to arm, when not running polarizes 'A' circuit.... when running, field to ground provides max charge test )

( bat to field, when not running polaraizes 'B' circuit.. bat to field when running provides max charge test. )


It's simple...

throw that note you have away.. it's only good for roasting vregs.

you can't blindly sift thru a forum for generic electrical info and then HOPE it applies to what you are looking for. do your tractor a favor.. get a service manual for it. it will love you for it. :)

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equeen

03-22-2013 19:01:55
209.102.248.236



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 Re: 12 v positive or negative ground in reply to soundguy, 03-22-2013 18:53:14  
Always appreciate your advice, even when I rile you up.

Thanks.



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soundguy

03-23-2013 13:22:13
184.240.245.141



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 Re: 12 v positive or negative ground in reply to equeen, 03-22-2013 19:01:55  
i'm not riled up.. i'm trying to HELP you.. but you can't mix n match shopping bag style when it comes to some repair advice.

gotta match up like applications...



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equeen

03-23-2013 13:31:23
209.102.248.236



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 Re: 12 v positive or negative ground in reply to soundguy, 03-23-2013 13:22:13  
I understand.

I did check some spare VRs for my 8Ns and its easy to see the bias resistor of which you wrote.
"A" circuit.

Checked a cut-out for the cubs and....well.

I'll check the one on the MF 35 next time I'm down at my brothers.

And, no, I'm not following all your advice. I'm not throwing all my notes away. Your advice appears sound and worth retaining.

Me



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soundguy

03-23-2013 13:40:42
184.240.245.141



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 Re: 12 v positive or negative ground in reply to equeen, 03-23-2013 13:31:23  
you can throw the one away that tells you 2 different things on that genny without telling you what circuit type they apply to.

cutouts and vregs are setup differently. the bias resistor is a field circuit component.. cutouts don't have that.

that cub is likely A circuit using a tickle ressitor in a lamp switch or similar...



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