Quote:
Originally Posted by Tinker
What flatjack said. 4 volts at the coil is best.
My understanding is it does matter how you wire the coil +/- poles.
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Is there some confusion here? Voltage to a 1.5 ohm coil should be full system voltage, 6+ volts. You may be thinking of the voltage to an original distributor mounted coil.
I have never checked it, but the claim is reversing polarity at the coil results in about 80% loss of coil output. For a positive ground vehicle it should be supply voltage from the ignition switch connects to the (-) terminal and the (+) terminal connects to the distributor (points/capacitor).