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8n will not run


 
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ernest hook
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Joined: 12 Jan 2014
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PostPosted: Wed Jan 15, 2014 5:16 am    Post subject: 8n will not run Reply to specific post Reply with quote

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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HCooke
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PostPosted: Wed Jan 15, 2014 5:27 am    Post subject: Re: 8n will not run Reply to specific post Reply with quote

"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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Bruce (VA)
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PostPosted: Wed Jan 15, 2014 5:47 am    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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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ernest hook
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PostPosted: Wed Jan 15, 2014 7:57 am    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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
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PostPosted: Wed Jan 15, 2014 8:10 am    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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
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PostPosted: Wed Jan 15, 2014 1:18 pm    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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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ernest hook
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PostPosted: Mon Jan 20, 2014 11:13 am    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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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Royse
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PostPosted: Mon Jan 20, 2014 11:36 am    Post subject: Re: 8n will not run Reply to specific post Reply with quote

"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
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PostPosted: Mon Jan 20, 2014 1:15 pm    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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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Royse
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PostPosted: Mon Jan 20, 2014 1:24 pm    Post subject: Re: 8n will not run Reply to specific post Reply with quote

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
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PostPosted: Mon Jan 20, 2014 2:42 pm    Post subject: Re: 8n will not run Reply to specific post Reply with quote

I did what you suggested. It is running like a new tractor.

Thanks a Lot
 
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Royse
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PostPosted: Mon Jan 20, 2014 2:47 pm    Post subject: Re: 8n will not run Reply to specific post Reply with quote

You're welcome. Glad I could help!
 
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