An electronic switch is associated with each ignition coil and has a trigger which responds to {HEAD ~ an applied trigger voltage} to conduct and discharge {TAIL ~ the capacitor} through the ignition coil 
An electronic switch is associated with each ignition coil and has a trigger which responds to { HEAD ~ an applied trigger voltage } to conduct and discharge { TAIL ~ the capacitor } through the ignition coil
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH