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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

international 300 12 v wiring diagram with gen and ext reg

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chris m in tn

08-27-2011 19:32:51
75.200.127.157



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Need a wiring diagram for a 12v conversion with generator and external regulator. Can find diagrams with the alternator conversion (farmall bob"s diagram) but not with the gen and ext regulator. Took the wiring harness apart to paint tractor and do the clutch and the marker tabs fell off the wires :( and i can't figure out how to get it back together.




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chrism in tn

08-29-2011 08:47:15
69.245.62.202



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to chris m in tn, 08-27-2011 19:32:51  
Well, there"s my problem, it looks like it is actually an alternator, and I think it must be internally regulated (it has a batt terminal lug, and 2 wires, with one of the wires jumped to the batt terminal.)

I guess I should pull the regulator and re-wire it all according to bob"s diagram?



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chrism in tn

08-29-2011 18:47:09
75.246.154.36



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to chrism in tn, 08-29-2011 08:47:15  
also, the ballast resistor is wired between the coil and the distributor, do I need to move it to in front of the coil?



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Janicholson

08-30-2011 21:32:45
96.24.99.126



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to chrism in tn, 08-29-2011 18:47:09  
Yes Jim



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SadFarmall

08-28-2011 05:21:39
121.214.182.163



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to chris m in tn, 08-27-2011 19:32:51  
All generator with regulator systems work pretty much the same.

The larger Main (or D) terminal on the generator goes to the Main (or D) terminal on the regulator. The smaller Field (or F) terminal on the generator goes to the Field (or F) terminal on the regulator. The Ammeter (or A) terminal on the regulator goes to the ammeter (-ve side if the machine is +ve Earth or +ve side if the machine is -ve Earth). If the regulator has an Earth or Ground terminal, this is connected to the chassis.

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The tractor vet

08-27-2011 21:28:22
76.212.235.251



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to chris m in tn, 08-27-2011 19:32:51  
Heavy BLUE wire to armature , yellow 14 ga wire to field . Black wire to coil.



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chris m in tn

08-28-2011 16:55:58
75.246.89.106



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to The tractor vet, 08-27-2011 21:28:22  
The previous guy has the wiring all messed up. The coil is running straight off one of the gen outputs with a diode wired in before the coil and the other gen wire runs to the "bat" terminal on the regulator.

I think I am figuring out how to get it fixed correctly, if I have a gen, 12 v batt, 12v coil, and the regulator, do I still need the diode in the wire that will come out from the regulator and go to the coil?

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Janicholson

08-28-2011 20:13:06
96.24.99.126



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 Re: international 300 12 v wiring diagram with gen and ex... in reply to chris m in tn, 08-28-2011 16:55:58  
If it is actually a generator with two bolt on terminals on the side, no diode is needed in the system at all. The Bob M diagram for a 560 gas will have the generator and regulator wiring you need (ignore the components not on your tractor. The 300 is much like a SH with the only real change being the starter relay instead of the manual switch. The wiring is the same 6 or 12v. Jim



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