1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 101Get this manual

1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 101

The sensor coil is located on the timer base assemblyIt consists of many windings of wire wrapped around metal laminationOnce
of electronic switches (SCR's), activated by sensor coil output, to select the correct ignition coil primary winding for
firingThe power pack has one SCR for each ignition coil it controls The key switch and emergency stop switch are connected
to the power pack through the engine wiring harnessWhen activated, these switches direct the power pack output to ground,
stopping the ignition systemIgnition Coil Key Switch m Thea ignition coil consists of twoThe coil hasofawire wrapped windings
around compacted ferrite materialprimary and secondary terminal connection and ground plateThrough mutual induction, the
ignition coil transforms power pack output to as much as 40,000 volts to fire the spark plugs There is one ignition coil