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Ford Tractors Discussion Forum
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Re: 860 Conversion to 12 volt

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Author  [Modern View]
cbrown9064

11-15-2013 04:53:06
107.17.213.16



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First thing to do is check the cables to and from the solenoid. I had a cable that looked ok, but once I took it off to replace I could see about half the strands were connected to the cable end (could not see that easily when it was on tractor). Less conductors connected to the end equals more resistance which yields less current flow (amps). Right? I=V/R. Volts is constant (6), resistance is higher, then amps will be less.

6 volt systems need bigger gauge cables than 12v to function properly. Said another way, the cheapy cables from the discount store designed for 12v may be too light of gauge affecting the starting performance.

If the cables are in good shape and equal in gauge to your good running tractor, then your starter could have issues, at which point I would have it rebuilt before converting to 12v.

Start with the cables...
This post was edited by cbrown9064 at 04:54:10 11/15/13.

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