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6v or 12v Coil for 8N

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Alan MN

12-01-2001 08:27:10




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How do you tell if your coil is for 6v or 12v? I have 12v electic on my 8N, but not sure if the previous owner switched out the coil. Trying to fix my problem of my 8N running rough after it warms up for 15-20 mins. After reading the manual and the archives, it looks like a coil, spark plug, fuel or fuel line problem. I'm planning to clean out the fuel lines and put new plugs in it this weekend, but not sure how to check the coil. Thanks.

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Dell (WA)

12-01-2001 08:58:09




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 Re: 6v or 12v Coil for 8N in reply to Alan MN, 12-01-2001 08:27:10  
Alan..... ..unfortunately, there is no good shadetree mechanic test for bad ignition coil EXCEPT by replacement. And if'n you suspect you've got a bad coil, donna mucka round, replace it.

Now then, there are 2 heat/time related ruff runnin problems with N-Tractors. 45-60 minutes, bad ignition coil. 10-15 minutes, bad ignition switch. From your description, I'd jumper the ignition coil after it started ruff runnin' and if'n clears up, replace the ignition switch.

If'n it really is a bad ignition coil, you'll have to go looking for a 12 to 6 volt ceramic block dropping resistor. If'n you don't find it, then you probably have a 12 volt coil. If'n you know how to use an ohm meter, 12 volt coil primarys about 3 ohms. 6 volt coil primarys about 1 ohm..... ....Dell

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Alan MN

12-01-2001 10:36:48




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 Re: Re: 6v or 12v Coil for 8N in reply to Dell (WA), 12-01-2001 08:58:09  
Does it make sense that if it was the coil or the switch that I would need to open up the throttle and pull out the choke just to get it back to the barn? Or does that sound more like a fuel/carb issue? Dumb question, what is the easiest way to jump the ignition coil?



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dell (WA)

12-01-2001 10:56:41




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 Re: Re: Re: 6v or 12v Coil for 8N in reply to Alan MN, 12-01-2001 10:36:48  
Alan..... ..yes, as strange as it might seem, an enriched fuel mixture (by pulling the choke) is eazier to burn with low sparkies and naturally generates a little more power. Which is one reason you have a choke to begin with, to make starting eazier.

The eaziest way to jump your ignition switch (not coil) is to find the 2 switch terminals and connect 'em together with a pre-made jumper wire, mine has alligator clippies already to go.

Standard N-Ignition switch has 2 9"? wire leads that go somewere behind the dash, find 'em first. Then start yer engine and when it starts to runn ruff, do your clippie thing. Its cheep, eazy, and quickly narrows down your bad engine running due to bad sparkies, switch or ignition coil..... ...Dell

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Alan MN

12-01-2001 13:06:16




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 Re: Re: Re: Re: 6v or 12v Coil for 8N in reply to dell (WA), 12-01-2001 10:56:41  
First I cleaned out the fuel filter (didn't see a screen in there?), checked the fuel line into the carb, fuel runs through fine. Cleaned out the screen on the elbow, wasn't dirty. Then I was all ready to try to jump the ignition switch, but when I hit the starter button...nothing. No click, no spark, no nothin'. Before I ever tried starting it I was making a jumper wire to try out on the coil (which was wrong place to put a jumper to begin with). Other then that all I did was check to make sure all the wires were connected tight everywhere. Is it sounding more like the switch or coil now? If I jump the switch should I be able to start it if the switch is bad?

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Dell (WA)

12-01-2001 16:37:59




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 Re: Re: Re: Re: Re: 6v or 12v Coil for 8N in reply to Alan MN, 12-01-2001 13:06:16  
Alan..... .remember the 6 volt mantra: "keep 'em clean, bright, and tight". Clean your battery post connections. Bad battery connections will cause low sparkies and also cause no clickies when you press the starter button. You can actually have bad battery connection inside your battery clamp and the only cure is new 'merican hairy chested 00 gauge 6 volt battery cable instead of wimpy foreign 12 volters..... ..Dell

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Alan MN

12-01-2001 17:43:10




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 Re: Re: Re: Re: Re: Re: 6v or 12v Coil for 8N in reply to Dell (WA), 12-01-2001 16:37:59  
Thanks Dell. It's got good cables. I spent some time today cleaning and making sure I had good tight fits. I actually found a couple pretty loose ones. Battery is pretty low. Charged it up a little tonight, and now have the starter clicking. Something seems to be draining my battery. Hopefully I can start it tonight or tomorrow morning. Will let you know.



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Alan MN

12-02-2001 09:38:33




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 Re: Re: Re: Re: Re: Re: Re: 6v or 12v Coil for 8N in reply to Alan MN, 12-01-2001 17:43:10  
Charged it all night. Only clicking, won't turn over so I jumped it. Ran good, played around on it for 45 mins. Still ran fine.

While running the ammeter says charging at 20+. Put her back in the barn, turned it off. Tried to start it again...click, click, click. Guess I need a new battery.



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nuf sed

12-01-2001 13:39:07




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 Re: Re: Re: Re: Re: 6v or 12v Coil for 8N in reply to Alan MN, 12-01-2001 13:06:16  
Maybe Dell WA is the wrong person to get adveice from !!!!! !



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Dell (WA)

12-01-2001 16:41:23




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 Re: Re: Re: Re: Re: Re: 6v or 12v Coil for 8N in reply to nuf sed, 12-01-2001 13:39:07  
Dear friend..... I should ignore your comment and I will..... .respectfully, Dell, who flunked mindreading, just ask my ex-wife



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