1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 292Get this manual
Electric Start System Check9.9 and 15 i and remove all spark plug leads'" To avoid accidental starting of engine while servicing, twist
Battery must be fully chargedBattery connections must be clean and tight1Remove the fuel pump for access to the neutral start switch terminalsPlace the shift control lever in NEUTRALr::;] 2Connect the black lead of voltmeter to the engine groundConnect the red lead of the voltmeter to point on the neutral start switchPress the start switch button Battery voltage should be indicatedIf no voltage is indicated, move the voltmeter red lead to poi nt