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Restoration & Repair Tips Board

12 volt conversion

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Author  [Modern View]

06-19-2012 19:44:16

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Has anyone ever done a 12 volt conversion on a 861 Powermaster? Would appreciate any info.

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07-01-2012 09:23:07

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 Re: 12 volt conversion in reply to bandapr1, 06-19-2012 19:44:16  
Why not use a single wire alternator? Much easier.

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07-01-2012 14:12:27

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 Re: 12 volt conversion in reply to hintocw, 07-01-2012 09:23:07  
Thanks for the info.

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06-22-2012 19:27:01

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 Re: 12 volt conversion in reply to bandapr1, 06-19-2012 19:44:16  
probably half the fords out there still running have alts grafted on.

it's an ez conversion.

get a napa ic14sb voil.. no resistors. 3 wire gm 10si alternator. jump #2 to charge stud. #1 thru 194 lamp to coil side of key.. charge stud to wire that used to go to vreg bat connection. brackets you can make or get a tisco set..

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06-23-2012 04:52:53

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 Re: 12 volt conversion in reply to soundguy, 06-22-2012 19:27:01  


for the info, guys.

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06-23-2012 15:40:52

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 Re: 12 volt conversion in reply to bandapr1, 06-23-2012 04:52:53  
post back if you hit a snag.

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06-20-2012 07:33:52

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 Re: 12 volt conversion in reply to bandapr1, 06-19-2012 19:44:16  
like old not that particular one,but several of different brands over the years.all wiring is basicaly the same,but what changes is the brackets.The one thing i would say there is dont scrimp on the metal,overbuild it if possible. Alternator has a surprising strain on it when its fully charging,and the bouncing around they take on a tractor doesnt help.most of them off cars and trucks are not meant for the beating they take off road all the time on a vehicle with no the mounting has to be heavier.

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06-19-2012 20:47:56

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 Re: 12 volt conversion in reply to bandapr1, 06-19-2012 19:44:16  
Not that tractor as such but have done many many a tractor of the years. I have a 841 same engine as the 861 so what do you need to know. I use alternators made for a 1980 Chev pick up no power any thing no AC. a radio shack diode 276-1661 in the excite wire and the mount is simple just a long 3/8 piece of all tread ad set the alternator forward of the bracket and a couple nuts to lock it in place

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