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Tractor Talk Discussion Board

Re: Ignition Coil Primary Wiring Polarity


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Posted by Gene Davis on January 29, 2003 at 19:43:08 from (66.82.9.47):

In Reply to: Ignition Coil Primary Wiring Polarity posted by Mike B on January 29, 2003 at 13:03:05:

To check for the correct direction of spark flow, hold a pencil with a good graphite point(be sure you do not get the metal ferrule in your hand, potential for SHOCK!!!). Let the spark jump with the pencil between the plug and the wire, if the spark goes from the wire to plug, coil polarity is correct, if it goes from the plug to the wire, it is wrong. Old mechanics shade tree trick of yesteryear!!
Gene Davis Tennille,Ga.


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