92 Fleetwood 2dr cpe - FWD, 96 Seville SLS, 02 Seville
12 v to the coil, which could be in the distributor. The coil is a design similar to a transformer but based on magnetic fluctuations. The 12v in the coil creates a magnetic field. Remove the 12v, the field quickly collapses and induces a high voltage current on the output.