Re: No Spark

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Posted by Tim Daley(MI) on September 30, 2019 at 18:06:31 [URL] [DELETE] :

In Reply to: No Spark posted by Dean on September 30, 2019 at 13:19:39:

Did you set the point gap to .015” and TIME it correctly after? After the tune-up/rebuild of the front mount, follow Bruce’s testing method. If unit passes, it will start on tractor providing all other wiring is correct. Now, you do know the front mount distributor mounts one correct way don’t you but you can get it off 180° and then you’ll bust it the first second you fire it up. I think your issue is in the wring and/or points, and not the coil, condensor, or plugs. Just because you have a 6V battery doesn’t mean it is wired all correctly for a 6V/POS GRN system. Take battery to starter shop and test for specific gravity, on their machine, under load it must sustain a full charge. Simply using a battery charger will not work. Pass? Use it. Fail? It’s bad and you begin with a new battery. Take your 6V coil off and set your VOM to OHMS. Place one probe on the pigtail wire and the other probe (polarity unimportant) on the top terminal post. Your 6V coil should read about 3.2 OHMS +/-. If so, it’s good, put it back on. Do you have the OEM Ballast Resistor in place and wired correctly? Is the generator wired correctly; 1-Wire/3-Brush unit with the roundcan cutout? Is the starter motor correct; 1-Wire and NO SOLENOID? See pictures for more help:

FORD 9N/2N WIRING DIAGRAM:

FORD N-SERIES TRACTOR FRONT MOUNT DISTRIBUTOR 9N-12250 BALLAST RESISTOR:

FORD TRACTOR FRONT MOUNT TIMING PROCDURE:


FORD TRACTOR FRONT MOUNT FIRING ORDER:


FYI: Use Standard Ignition points or those from CNH. ECHLIN CS-35 are no longer any good quality-wise..

NAPA CROSSOVER PART NUMBERS

1. POINTS: ECHLIN - #CS35 (NO LONGER A QUALITY PART) or STANDARD IGNITION - #FD-6769X $
ALT: CNH POINTS # 87744524

2. CAP: ECHLIN - #FA350 or STANDARD IGNITION - #FD-126 $

3. CONDENSER: ECHLIN - #FA-200 or STANDARD IGNITION - #FD-71 $

4. ROTOR: ECHLIN - #FA-300 or STANDARD INGNITION - #FD-104 $

5. GASKET KIT: SPAREX #S.60308 $

6. 6V COIL: IC670 $

7. BALLAST RESISTOR: ICR40 $

8. SPARK PLUG WIRES –COPPER CORE $

9. SPARK PLUGS: AUTO-LITE 437 or CHAMPION H12 $

Tim Daley(MI)


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