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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

8n will not run

Author  [Modern View]
ernest hook

01-15-2014 05:16:23
72.173.8.134



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I have an 8n ford 6volt front mount distributor. Good gas flow and good spark. Will run for 4-5 seconds and then dies. I have discovered if I hold down the start switch after it starts, it will continue to run. Could this be a bad resistor, ignition switch? Am I losing power t the coil? Any advise appreciated.

Thanks




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Royse

01-20-2014 14:47:35
69.36.49.186



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 Re: 8n will not run in reply to ernest hook, 01-15-2014 05:16:23  
You're welcome. Glad I could help!



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Royse

01-20-2014 13:24:27
69.36.49.186



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 Re: 8n will not run in reply to ernest hook, 01-15-2014 05:16:23  
Assuming the tractor is wired correctly, that's where is should be.

That small wire powers the key switch and through it, the distributor.

When it is on the left side, it only has power when the solenoid is engaged.

Which is why it quits when you let off the starter button.

No power to the distributor.

Wiring diagram compliments of JMOR.

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ernest hook

01-20-2014 14:42:38
72.173.8.134



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 Re: 8n will not run in reply to Royse, 01-20-2014 13:24:27  
I did what you suggested. It is running like a new tractor.

Thanks a Lot



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Royse

01-20-2014 11:36:44
69.36.49.186



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 Re: 8n will not run in reply to ernest hook, 01-15-2014 05:16:23  
"cable going to tractor connected to large post on left along
with the copper grounding strap"

Copper grounding strap?
Do you mean the copper bar going to the starter post?

If so, move the small wire from that side to the right side.



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ernest hook

01-20-2014 13:15:27
72.173.8.134



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 Re: 8n will not run in reply to Royse, 01-20-2014 11:36:44  
That is the copper bar.

If I move that wire from the left side post of the solenoid. I'll have it and my battery cable on the same side - same post. Is that ok?

thanks



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Bruce (VA)

01-15-2014 05:47:32
24.125.183.11



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 Re: 8n will not run in reply to ernest hook, 01-15-2014 05:16:23  
You asked that same question yesterday in a different thread. And I answered it:

" Charge the battery. Been fooling with the solenoid? If so you have the wire to the coil on the wrong side of it. "



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HCooke

01-15-2014 05:27:56
70.195.66.19



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 Re: 8n will not run in reply to ernest hook, 01-15-2014 05:16:23  
"I have discovered if I hold down the start switch after it starts, it will continue to run."

Have you changed the solenoid recently? Have you changed the wiring recently? What happens if you hot wire the coil?



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ernest hook

01-20-2014 11:13:51
72.173.8.134



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 Re: 8n will not run in reply to HCooke, 01-15-2014 05:27:56  
I jumped the ignition switch, started but would not continue to run.
Checked solenoid connections. Battery cable connected to large post on right, start switch connected to small post on back of solenoid, cable going to tractor connected to large post on left along with the copper grounding strap.

Hot wired from battery to coil. Tractor started and ran like it is supposed too - did not die. Problem must be from coil back to resistor. What do you fellows think?

Thanks

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ernest hook

01-15-2014 07:57:35
72.173.8.134



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 Re: 8n will not run in reply to HCooke, 01-15-2014 05:27:56  
I did clean all the connections at battery, starter and selenoid when I first started having trouble.

I probably re-connected incorrectly. I will check out tomorrow. Very cold here today. When i try to start it, I want everything possible in my favor. If connection are not the problem, I will hot wire coil.

I'll let you know.

thanks



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ZANE

01-15-2014 08:10:42
98.83.63.199



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 Re: 8n will not run in reply to ernest hook, 01-15-2014 07:57:35  
If you hot wire the coil to a front mouned distributor don't let it run for over a few seconds or you may fry the coil etc.
The only way holding down the starter after it has started would help it continue to run is if the wrong starter solenoid was installed and the second Ign. terminan was wired to the coil so that full battery voltage is sent to the coil when solenoid is ingaged. This is how all later Ford automobiles are wired. This temporarily bypasses the resistor in the ignition circuit.
Zane

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Holtby

01-15-2014 13:18:13
76.228.121.171



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 Re: 8n will not run in reply to ZANE, 01-15-2014 08:10:42  
It sounds like that's what's wrong? It's wired on the right (2nd) ignition by-pass terminal of solenoid?



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