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Re: Re: Re: Confused on coil
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Posted by MrG:If I understand you correctly... on December 08, 1999 at 07:31:54 from (216.170.12.242):
In Reply to: Re: Re: Confused on coil posted by I got it now on December 07, 1999 at 20:25:44:
You are saying that the secondary (high tension) polarity is dependant upon the the ground plane of the tractor regardless of which pole of the coil was wired to the switch or the points, I'll buy that. What I need to confirm in my own mind, is this: I know that electrons flow from - to +, hence in a positive ground system, it seems to me that electrons build up on the point (electrode) of a spark plug, and once then reach a high enough potential, will jump to the positively charged (grounded) tang. If the above is true, what is the benefit to a negative ground system? Seems to me that would mean that the entire frame of the tractor is teaming with free electrons looking for a place to jump to given sufficient difference in potential. In the same vein, which way does lightening strike? If the earth (ground) is negatively charged, lightening should strike UP, right? Or is it ionization in the clouds that create the free electrons that then build up the potential to jump DOWN?
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