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Ford 9N, 2N & 8N Discussion Forum
:

Won't even crank

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norman135

04-15-2019 10:11:23




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My 8N tractor will not start no crank not even a click. I turn the key to on and the volt needle moves, push the button nothing happens. I have a 12v system




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lastcowboy32

04-16-2019 08:32:00




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
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That sounds very much like a coil problem. (it could be others)

But, oftentimes, the coil may have poor insulation internally. When it warms up, it shorts itself out internally, then no spark.

If you let it cool down, it will work again.

This can also happen with the condenser in the distributor.

You can get a spark tester for less than 20 bucks. I bought one a few years ago to work on my 2N. I've used it to diagnose the 2N, my Ford 3000 gas, my neighbor's lawnmower, my rototiller...etc.

Well worth the 20 bucks.

Anyway, get your hands on a spark tester. Test the spark when the tractor is cooled off. You should have spark. Then, if you use the tractor and it gets warm and cuts out. Test the spark immediately while still hot. (to be specific, test the "spark" right off of the coil's output wire to the distributor). If there is nothing there... bad coil.

If there is spark at the coil output... then test the spark at one or all of the spark plug cables. If no spark there... possibly bad condenser... or points... something in the distributor.

If this all checks out good, then I would next look for a fuel problem like vapor lock.

Good luck.

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Norman135

04-15-2019 15:33:31




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
Quoting Removed, click Modern View to seeQuoting Removed, click Modern View to see



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Norman135

04-15-2019 15:32:38




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
I found the problem, solenoid was sticking now my other problem is why the tractor keeps shutting off when warm and won't start again until hours later



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pinball

04-15-2019 18:00:53




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 Re: Won't even crank in reply to Norman135, 04-15-2019 15:32:38  
put a voltage meter on the battery before you start it. when it dies check the voltage immediately. if the system is not charging it will die. a good battery will charge itself back up but wont last forever.



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Norman135

04-15-2019 15:29:35




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
Quoting Removed, click Modern View to seeQuoting Removed, click Modern View to see



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lastcowboy32

04-15-2019 13:50:57




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
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BE SURE THE TRACTOR IS IN NUETRAL.... should be in... like... all caps... six foot tall font on a billboard!!!!!!

Please, please, if you connect a jumper cable directly to the starter or do any other kind of bypass starting method....understand two things.

One... you will be standing directly in front of the tractor's rear tire.

Two... if that tractor is in gear, and the starter engages, that tractor WILL move, and there's a good chance that rear tire is going to be on top of you in a hurry.

Carry on.

Live to tell us about your next adventure :-)

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HFJ

04-15-2019 10:24:08




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
DOH! should have said "where the big wire (front mount tractor) or the L shaped copper thing from the solenoid attaches (for a side mount tractor)"



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TheOldHokie

04-15-2019 10:22:22




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
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You obviously have an electrical problem. There is no magic that lets people diagnose something like that without some data. And more than likely that needle is not a voltmeter but the ammeter.

Pick up a voltmeter and run a few elementary tests. Start by checking battery voltage. It should be 12V or more for a fully charged battery. If not charge the battery.

Once you know you have a fully charged battery put the tractor in neutral and jumper the starter straight from the battery. Then post back with the results and perhaps someone can get you a little further down the troubleshooting chart.

TOH

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HFJ

04-15-2019 10:21:46




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
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hi norman, and welcome to YT :)

as jim said, first check the state of your battery's charge. a fully charged 12 volt battery should have ~ 12.65 volts in it. a battery that reads 12.0 volts is nearly dead.

assuming the battery checks out:

be sure the tractor is in neutral, ignition off, and use jumper cables to jump from the positive battery post (i'm assuming you're negative ground now) directly to the starter motor, where the big wire connects to it. if it turns over, you've got a wiring and/or push button on the trans issue.

is yours a front mount distributor or side mount? that push button functions differently between the two, i believe.

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Jim in Eastern NC

04-15-2019 10:14:58




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 Re: Won't even crank in reply to norman135, 04-15-2019 10:11:23  
Two simple things to try first would be a nearly discharged battery and/or corroded/loose battery cables.



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