1999 "EE" Evinrude 5 thru 15 4-Stroke Service Manual, P/N 787022, Page 90Get this manual
Ignition Module []]The ignition modulepower pack has several basic functionsIt stores and distributes the voltage received from the charge coilThe ignition module uses an electronic switch, activated by the timing sensor, to energize ignition coil primary windingThe power pack uses electronic switches (SCRs), activated by sensor coil output, to select the correct ignition coil primary winding for firing The ignition modulepower pack has an RPM limiting circuit which helps protect against powerhead damage due to overrevvi ngOverrevvi ng ca resu It from: Installing the motor too high Carrying less weight than the motor is propped for Using propeller that is too small, has very worn blades, or ventilates excessivelyThe ignition modulepower pack incorporates the S.L.OW warning systemThis system gradually limits engine speed to approximately 2000 RPM when either the: Engine temperature switch closes (Remote Control Models) Crankcase oil pressure drops to dangerously low level Once the S.L.OWwarning system has activatedthe engine must cool to allow the temperature switch to open or crankcase oil pressure must be restoredThe engine must be operated below 1500 RPM before normal operation can be resumed