Satyr of the Midwest
Join Date: Nov 2005
Location: Ida & Grand Rapids, Michigan, a.k.a The Unemployment Capital of America
Bronco Info: 1993 EB, 5.8L, BIO0 MAF, GT40Ps, Mustang cam, GT40 Intake, Custom Headers, Moates QuarterHorse
Doesn't matter. The iron core is there only to intensify the electromagnetic field created by the coil's induction properties and geometry. The (+) side needs battery voltage, the (-) side is switched on and off by the ignition module, and the secondary post is "grounded" when the coil fires, if you want to look at it that way.
Wheelin' across Michigan from Ida to Grand Rapids, baby!
Nemo nisi per amicitiam cognoscitur -- No one learns except by friendship.
Originally Posted by Adlai Stevenson
Isn't it conceivable to you that an intelligent person could harbor two opposing ideas in his mind?