The Coil| 10/20/2011
If there is a single part of the ignition that can holds some mystery to its operation, it is the coil. In a stock ignition system, 12 – 14 volts are delivered to the coil via the positive and negative terminals. Within the wink of an eye, it sends and output of 15,000 volts or higher! But there is no slight-of-hand taking place here – it’s all a carefully crafted lesson in electronics. And one that can be tuned to meet a variety of output requirements.