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Ford 9N - discharging quirk ??!!!??

P

privatebrian

New User
Hello- I have a quirky problem with my 9N electrical system, and am hoping someone will have had the same experience or can offer a solution. This is a fresh rebuild with a brand new harness, generator, and cutout. I believe all is connected correctly, and have checked that thouroughly. Tractor starts, and while cranking the ammeter shows slight negative, after starting shows positive with an increase when revved up. So far, so good. When I turn off the keyswitch, the ammeter goes 30A negative. I think this has to mean the cutout is sticking closed. So I replaced the cutout with another brand new one, same result. I think the generator is trying to "motor" from battery power. What would cause the cutout to stay closed, am I doing something wrong???
Any help is appreciated - Brian
(sorry, I posted to the tool talk page by mistake also)
 
Its definitely the cutout. I had the same thing happen to me a few years back and went through 3 of them before I found one that worked right for more than a month. Some of these chinese built parts are just plain junk.

Does anything happen if you tap on the cutout after the tractor is shut off? When I did that to mine it would make the cutout un-stick and the battery discharge stopped. Until I ran it again, then it would do it all over again!
 
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