05-06-2013, 06:53 AM
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Heavy Contributor
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Join Date: Dec 2012
Location: Roanoke,VA
Posts: 634
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Quote:
Originally Posted by Masteryota
Going out on a limb here, but most coils will have 12v at the positive side terminal when in the on position, and the CDI will provide a ground when it sees the proper location/signal from the stator. This is whats called a ground side controlled circuit, and has been in use for decades in automobiles, and stands to reason why it would be used in our electronic ignition buggies. If you have a decent meter, with a min/max setting, you can see if the CDI is supplying a ground when turning over while in the resistance setting, or continuity setting, but it will only be a brief blip and most meters can't react fast enough for you to see it.
An ignition coil can be somewhat confusing, but in the simplest form, it has 2 coil windings inside, primary and secondary, the secondary is where you get the actual fire from, both coils hold a charge until the primary coil is supplied a ground, which causes the magnetic field inside to collapse, thus releasing the secondary circuit voltage through the high resistance plug wire to the plug and so on.
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Thank you Yota. I stand corrected.
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SYC Perf head P&P,Matched intake and exhaust, A12 cam, Orange CDI & coil, Motorio pulley, 115mm Variator and lightweight drive face,11gm Sliders, UNI, modded muffler + 200 horsepower
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I'll take your insults as compliments and blame it on your lack of intelligence.
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