Posted by sootman2 on October 23, 2012 at 20:34:11 from (75.104.160.54):
In Reply to: Re: stubborn 8N posted by Bruce (VA) on October 18, 2012 at 06:45:04:
Having never contributed to the forum before, I wasn't sure how to reply back to my advisors. So I'll just post this way and see if it works; to Royse, old tanker, and BruceVA: Thanks for the excellent tips. I was more than a little embarrassed to be labeled a poor troubleshooter, after being an aerospace ground equipment mechanic in the AF for 9 years, but it is true. This little tractor has some weird habits, and I am no expert on it, for sure. I did tune it up because it needed it, so I don't think I bought unnecessary parts. Yes Royse, when I looked at the parts catalog, I made sure I got the same ballast resistor listed for my tractor, and the only reason I suspected it might be an issue was that the bakelite was crumbling so bad that it was hard to keep nuts tightened down on the screws. I had already checked the switch, but when I moved on to the coil (it's a 6 v) it had batt voltage. It had battery voltage at the condenser and points connection to the brass screw. Points open or closed, so checked the housing; same thing. I didn't think I would get battery voltage if it was grounded out, but here was my evidence. So checked out the insulator that Bruce had suggested might be worn out at the brass screw, and it is crumbling, so consequently shorting out. So what now? The breaker plate looks like a part that has to be remanufactured, but not in a home shop. The shop manual (I bought the I&T one when I bought my tractor, along with the N's operators manual published by Ford) has the breaker plate PN as 9N12151, and all I could find in ytmag was PN 9N12150 and says it's for all 8N's with a front mounted distributor. From what I could tell, they are the same; not sure why they are different by one. Another question within a question; there's an electronic ignition conversion that would fit in this distributor; does it need that insulated connection, or would it bypass it; I am not familiar with how they hook up? I think I'm going to hold off on ordering the breaker plate until I hear back from one of you guys. Thanks again for your tips. By the way, oltanker's tip to get Bruce's 50 Tips was a good one; first thing I did when I got your replies was to print them off and put them with my manuals.
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