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Ford 9N, 2N & 8N Discussion Forum
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Re: 9N will NOT Start!

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Author  [Modern View]

02-13-2014 04:28:28

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Check for voltage drop between ign start side and hot wire going into coil hold meter between start or run side of se and hot wiwe of coil and have someone else crank over eng and see if you have near battery volts (good)or none(bad) if bad look for broken or loose connection .

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Ray PA

02-13-2014 05:47:07

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 Re: 9N will NOT Start! in reply to Jerrybigrig, 02-13-2014 04:28:28  
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This time with the attachment!!

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02-13-2014 05:38:44

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 Re: 9N will NOT Start! in reply to Jerrybigrig, 02-13-2014 04:28:28  
Quoting Removed, click Modern View to seeOne of my pet peeves. People assume that whatever they are familiar with transfers to any other tractor out there, so they provide some supposedly helpful hint that is not only NOT helpful, but most likely confuses the issue or at best wastes the troubleshooter's time. Here, there is NO SUCH WIRE as he is being directed to check, i.e., from ignition switch to coil. Such simply does not exist where EI is installed on a 6v, POS gnd N tractor. You are not alone. Probably see it at least weekly! That is one of several reasons that I ask so many questions & do my best to avoid 'answering' questions where I do not KNOW what is being discussed. That is correct, I don't assume that an engine, an ign, a tractor, a truck, etc. is a generic engine, ign, tractor, truck, where one size fits all.

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02-13-2014 08:27:18

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 Re: 9N will NOT Start! in reply to JMOR, 02-13-2014 05:38:44  
Hey....I just jumped in trying to help....I don't know specifics to this particular tractor ---- didn't mean to get ya peaved off

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Ray PA

02-13-2014 05:26:04

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 Re: 9N will NOT Start! in reply to Jerrybigrig, 02-13-2014 04:28:28  
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Thanks Jerry. With the points system installed I've followed the attached Ignition Resistance Test and came up with nominally "normal" results everywhere. I didn't try it while cranking the motor but it seems to me if you go from ign sw to coil (top contact) accross the resistor you should get 3V+ drop. What am I missing?

Also with Elec Ign installed, polarity is reversed by design. ie. neg lead to ign modual (6V) then from coil post through ballast resistor to pos ground. In this case I get 6V at ign modual and 2.75V at top of coil?

I'll try the cranking test but first I have to shovel the new 8 inches of snow to get to the barn!!

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