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Tractor Talk Discussion Board

Re: Why Wont This Ignition Spark?


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Posted by sotxbill on September 29, 2017 at 15:02:45 from (104.5.24.112):

In Reply to: Why Wont This Ignition Spark? posted by Lanse on September 29, 2017 at 14:20:09:

ok.. questions...

when you crank it over, does the coil produce spark on the coil hv lead to the engine.. I believe your saying yes, it does...

then the dist cap must have a button that touches the rotor..

the cap must be the correct cap so the rotor and spark tower are aligned, when the points open...if wrong cap, the fire will not get across the rotor to the selected plug tower...

cap must now be wet or have carbon trails.. cap must fit down on rotor correctly with minimal gap.. too tight and rotor is damaged, too loose and loss of spark..

rotor not damaged, crack or leaking hv to distribitor shaft to ground...

And coil not grounded well for hv spark parth or too weak of spark to make it to plug...

plug wires are bad and or carbon and coil is wrong type.


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