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800 FORD TRACTOR COIL WIRING PROBLEM

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AEG

01-02-2006 11:47:17

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NEED HELP WITH WIRING TO AND FROM IGNITION COIL

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soundguy

01-03-2006 05:03:00

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to AEG, 01-02-2006 11:47:17

If your coil has a + and - sign.. then wire the + side to whatever is positive. That is.. to ground on a post grnd.. or to the key, if you have neg grnd.

Now.. if your coil says bat/distrib, then assume the distrib means +.. and wire according to my instructions above.

Soundguy

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Jim.UT

01-02-2006 18:21:38

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to AEG, 01-02-2006 11:47:17

Here's a wiring diagram for the NAA and early 600/800. It doesn't identify the coil polarity and my memory from replacing my coil last summer is the opposite of old's. I seem to remember that on a positive ground 6 volt system, the positive side of the coil goes to the distributor. I even memorized something to help me remember next time:
PPP. It means:
Positive ground? Then
Plus to Points

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old

01-02-2006 12:48:50

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to AEG, 01-02-2006 11:47:17

Need a lot more info to be able to do more then guess at how to help you. 6 volt or 12 volt?? Type of coil 6 or 12 volt, does it have an alternator or genny?? ETC.

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AEG

01-02-2006 13:07:13

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to old, 01-02-2006 12:48:50

6 VOLT COIL WITH GENERATOR

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old

01-02-2006 14:03:10

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to AEG, 01-02-2006 13:07:13

Well you run a wire from the ignition switch to the + side of the coil and from the - side of the coil to the dist. Any thing else you need to know ?? If so don't leave out info becuase we can't read your mind and or see the wiring you have. Hope that helps you some.

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AEG

01-02-2006 14:29:08

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to old, 01-02-2006 14:03:10

THANKS THAT PART OF THE WIRING I HAVE SET. WANTED TO CHECK TO MAKE SURE I HAD THE WIRING RIGHT. I HAVE POWER GOING IN AND OUT OF COIL AND POWER TO DISTRIBUTOR. THERE'S NO SPARK COMING OUT OF THE COIL. IT IS A NEW COIL.

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Dave H (NY)

01-03-2006 04:41:02

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to AEG, 01-02-2006 14:29:08

On the stud where the wiring goes there is a small insulator that commonly shorts out causing a no spark condition. Easiest way to check is disconnect the supply wire from the coil to the distributor and check with an ohm meter. The points must be open and it should not show a short if it does the insulator is bad.

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old

01-02-2006 15:00:57

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to AEG, 01-02-2006 14:29:08

You probably have trouble with the points then. Pull the cap and dust cover and open the points by hand. If you get a spark at the points then you probably have a bad cap. If you don't get spark at the points the they are bad or shorted some place.

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aeg

01-02-2006 15:30:42

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Re: 800 FORD TRACTOR COIL WIRING PROBLEM in reply to old, 01-02-2006 15:00:57

Thanks for the info. I will try that.

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