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Re: 1973 Ford 4400 wiring diagram

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Posted by JWinnett on September 18, 2012 at 04:41:16 from (

In Reply to: 1973 Ford 4400 wiring diagram posted by JMOR on September 18, 2012 at 01:18:10:

Quoting Removed, click Modern View to see

I don't believe so by looking through the downloaded manual I bought. It does mention that the manual is for 2000,3000,4000,and 5000 models but it also seperates the 3500, 4500, and 5500 industrial for some things. From the looks of the manual generally they are the same but vary depending on a few different things such as origin of the tractors destination.

I looked at the tractor again last night and everything looks ike it is in the correct place as far as terminals and their placment. I took the starter switch out last night again and didn't see anything that looked out of line. I guess after looking over the schematic for the 4400 that I have, and a small schematic for the ignition system in my manual, I am wondering if there could be a broken wire that I can't see.

Do you, or anyone else, know what happens when the key switch goes to the "Off" position? Does it go to ground like small engines, or does it cut voltage to the coil maybe??? If I can figure out what is suppose to happen it may help me troubleshoot.

Thank you!


Do you think I should start a different thread with a different title to attract some electricians for their opinions?


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