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FJR Motorcycle Forums
Technical & Mechanical Problems
Iridium plugs on an FJR?
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<blockquote data-quote="Fred W" data-source="post: 599161" data-attributes="member: 3828"><p>Sorry, but you are wrong. The secondary circuit of the coil (it's actually a step-up transformer, not an inductor) has no center tapped ground reference. The secondary voltage is floating, not referenced to ground.</p><p></p><p>You are correct that the whole coil secondary gets a voltage induced into it, but that results in a positive voltage on the center of one plug and a negative on the other one (referenced to each other, not ground). The ground is of no significance to the coil's secondary voltages.</p></blockquote><p></p>
[QUOTE="Fred W, post: 599161, member: 3828"] Sorry, but you are wrong. The secondary circuit of the coil (it's actually a step-up transformer, not an inductor) has no center tapped ground reference. The secondary voltage is floating, not referenced to ground. You are correct that the whole coil secondary gets a voltage induced into it, but that results in a positive voltage on the center of one plug and a negative on the other one (referenced to each other, not ground). The ground is of no significance to the coil's secondary voltages. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Iridium plugs on an FJR?
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