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9N 12 volt wiring

M

Mertz54

Member
Hello everyone. I've posted a few items here before and everyone has been extremely helpful. Recently I replaced a ring gear on my 9N (with the help of a friend). I should have
taken pictures before but I'm just not that smart. Now, I have to figure out how to reconnect all the wires. The fellow who gave me the tractor converted to a 12 volt system. I did
some research and found that there are basically two approaches, a single-wire and a three-wire, both of which I found diagrams for. As I look at my alternator, I see only two
wires leaving the alternator and going into the wire saddle. So, I'm confused. Here's the picture I took. Maybe you can educate me as to which system I have.
src="https://www.yesterdaystractors.com/cvphotos/cvphoto5057.jpg">

cvphoto5058.jpg
 
(quoted from post at 16:06:08 05/17/20) Hello everyone. I've posted a few items here before and everyone has been extremely helpful. Recently I replaced a ring gear on my 9N (with the help of a friend). I should have
taken pictures before but I'm just not that smart. Now, I have to figure out how to reconnect all the wires. The fellow who gave me the tractor converted to a 12 volt system. I did
some research and found that there are basically two approaches, a single-wire and a three-wire, both of which I found diagrams for. As I look at my alternator, I see only two
wires leaving the alternator and going into the wire saddle. So, I'm confused. Here's the picture I took. Maybe you can educate me as to which system I have.
src="https://www.yesterdaystractors.com/cvphotos/cvphoto5057.jpg">

<img src="https://www.yesterdaystractors.com/cvphotos/cvphoto5058.jpg">
Click to expand...
elco 10SI, three wire. Output stud on rear and it also loops to #2 (sense) in the connector. #1 in connector is excite, generally from an 'idiot light' , a diode, or the accessory position on such a 3 position ignition switch.
 
JMOR, I found another site called myfordtractors.com with a pictogram that you had posted. It was exactly what I needed. I was able to have my tractor running in about an hour.
Thank you so much!!
 
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