There are two kinds of coils on 12 volt systems One, the kind you are wired up for, is a 6 volt coil that requires an inline resistor (the ceramic piece you see) to reduce the voltage into the coil.
The other takes a 12 volt input but has the resistor built into the body of the coil to reduce the voltage, eliminating the need for the inline resistor.
If for some reason your inline resistor went bad, that could have fried your existing coil.
So, two thoughts. If you go with a 6 volt coil, I'd replace the resistor (they're readily available) as part of the project. The alternative is to go with the 12 volt coil with the built-in resistor, in which case you want to take the resitor( the ceramic piece) out of the line in.
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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