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This page links directly to my FREE 6 volt and 12 volt wiring diagrams. There are specific diagrams for the Ford-Ferguson 9N, 2N, Ford 8N, 53 Jubilee, and Ford 601/801 tractors. The information on this site is also useful for many other 12 volt conversions. There are no gimmicks or come-ons here, I have nothing to sell. If you feel the urge to donate, leave a little extra to the Salvation Army or your favorite charity. I will add wiring diagrams for other vehicles as time permits, or as people send me diagrams (hint). Sorry, I cannot publish any material that may be copyrighted without permission of the original author or copyright holder.
This is my most popular web page, so it is frequently updated, based on feedback and questions I get. Hopefully, that means the information is getting clearer and easier to understand. I believe this format, with links to each set of diagrams, provides access to the correct diagram much faster.
DIAGRAMS FOR FORD-FERGUSON 9N 2N TRACTORS
Original 6 volt and 12 volt diagrams for 9N and 2N front distributor tractors.
DIAGRAMS FOR EARLY FORD 8N TRACTORS
Original 6 volt and 12 volt diagrams for the early 8N front distributor tractors.
DIAGRAMS FOR LATE 8N AND NAA TRACTORS
Original 6 volt and 12 volt diagrams for the late 8N side distributor tractors and 53 Jubilee.
DIAGRAMS FOR FORD 601 AND 801 TRACTORS
A couple of 12 volt diagrams for these tractors.
12-Volt V8-8N Wiring Diagrams
There were a bunch of years between the 801 and thousand series Ford tractors. I've never owned any of those tractors and have very little information on them. My Ford 3000 was built in 1971. By then, all Ford tractors were 12 volt, but still used a generator, rather than an alternator. I'm working on a Ford 3000 diagram. The link here goes to my Flathead V8-8N wiring diagrams.
Modified 12 volt diagrams showng how to connect a voltmeter.
MORE FREE DIAGRAMS!
That last direct link may break. Links to other sites often break when they rename or move files. Try the followin link to the index page at the same site, ntractorclub.com
— Index of How-To Articles on ntractorclub.com
This is a direct link to more free wiring diagrams published on the ntractorclub web site. Wait for it.... This links to a large PDF file with all of the diagrams in one file. Yes, it is worth the wait. Please, look around while you are on the N Tractor Club web site. The How-To's and Manuals sections are loaded with great information. I enjoy responding to messages about tractors, but you will get faster answers, from more people, if you search the archives, and ask questions on the N Tractor Club forums. I'm not on-line 24-7 but some of those guys seem to be. There is also a very remote possibility that I may not be 100% correct, 100% of the time, GRIN.
This ain't the same as having surgery on your body, but getting a second opinion is still a good idea.
As previously mentioned, all of my conversion diagrams have been designed to stay as close to the original wiring as possible.
For many years there has been one serious error in most of the "store-bought" tractor conversions. For some inexplicable reason, many of the "professional" conversions were being wired so that the ammeter no longer measured current flow in and out of the battery! They were connecting the ammeter so it could only measure alternator output. I can think of no reason why they would make that change, since it makes the ammeter almost useless. All of the better conversion kits and diagrams should have corrected this error by now.
There are some good reasons to convert your tractor to 12 volts, but there are at least as many reasons for keeping the original 6 volt system. If you have already decided that a 12 volt conversion is the right decision for your tractor, and are positive that you are capable of doing the work properly yourself, please skip this link.
HOWEVER, I must warn you that based on my observations and experiences the original 6 volt system is usually less complicated, more durable, and cheaper to maintain than any 12 volt conversion. If your are the least bit unsure of your reasons for wanting to go with a 12 volt system, please review the additional information I have provided on the 6 volt vs 12 volt decision HERE.
The diagrams show the BEST way that I have found to convert your 6 Volt, Positive Ground, N-Series Tractor to 12 Volts, Negative Ground. If you are interested in some less-common conversions, I have provided examples of some Other Conversions.>
For more information and instructions on 12 volt conversions please continue to the NEXT PAGE
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