1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 136Get this manual

1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 136


STEPRUNNING OUTPUT TEST
1Twist and remove primary leads from ignition coilsr;Gl 2.atwist to install Stevens Instrument NoTS-77 terminal extenders, or equivalent, on Ignition cOil pnmary postsr;Gl 3Install primary leads on terminal extendersObserve proper wire routingOrangeblue primary lead must be connected to the No.1 ignition coil
INotel Route all tester leads so they do not interfere with moving engine parts
1161 4Connect

voltmeter red lead to No.1 terminal extenderConnect meter black lead to

a clean engme ground
5Adjust voltmeter to setting listed in following chartStart engine and run it under load at RPM where ignition problem existsMeter must show at least: