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Ford 9N, 2N & 8N Discussion Forum
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Ford 9n Firing problems

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07-04-2016 16:27:22

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I bought a Ford 9n last week (not-running) and have several questions as I work on it. Has no spark- It has been converted to 12 volt. Someone had installed a can-type coil, but it also runs through the coil on top of the distributor; is that the way it's supposed to be?

I know that what I've done so far I've probably done backwards but here's where I'm at:
Checked switch- it works
I cleaned and set the points- still no fire
Replaced coil (can type)- still no fire
Installed electronic ignition according to wiring diagram- it fired first few times I tried then quit firing altogether

It's getting power to the distributor, it's just not making it to the plugs. The distributor assembly frustrates me greatly; the two bolts going into the block don't seem to want to stay tight. The square coil on top of the distributor doesn't pull down tight. I've got a new distributor cap ordered because the one on it is wore out. But if it was the distributor cap was all the problem, why would it fire a few times right after I replaced electronic ignition? How would I check the E.I. to see if I burned it up?

Any suggestions? Thanks

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07-05-2016 19:22:51

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 Re: Ford 9n Firing problems in reply to Cedarhill, 07-04-2016 16:27:22  
Hard to say for sure at this point.

Did you take the distributor back off?

Is the mating end of the camshaft turning?

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07-06-2016 19:06:27

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 Re: Ford 9n Firing problems in reply to Royse, 07-05-2016 19:22:51  
Yeah I took it off. The gear inside the engine is not turning. How tough of a project is it taking the timing cover off?

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07-04-2016 17:17:56

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 Re: Ford 9n Firing problems in reply to Cedarhill, 07-04-2016 16:27:22  
Welcome to the forum.

Running the round can type coil through a gutted out square coil
is a fairly common conversion technique. Not what I would do but
it works.

Check the voltage at the distributor side of your round can coil.

Does it change from battery voltage to near zero when the points

(EI) open and close? A test lamp may suffice, it should blink.

I would roll it over by hand to check this if possible.

Make sure all your connections are clean and tight at the distributor.
The bolts need to stay tight. Lock washers may help.

The square can coil also needs to have good connections.

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07-05-2016 18:03:24

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 Re: Ford 9n Firing problems in reply to Royse, 07-04-2016 17:17:56  
Royse, I appreciate your reply. I identified the problem and it's because of a really stupid mistake I made. The rotor is not turning. I don't know how I missed it when I (so called) checked it before. Anyway, it stems from me trying a longer bolt in the distributor trying to bolt it down good. I turned it over in order to check the fire and it didn't sound right so I put the short bolts back in and thought it had not done damage. Turns out it did.

I'm going to have to take the timing cover off and see what the damage is but what do you think I'm looking at as far as damage?

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