1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 116Get this manual
Ohmmeter TestStop Button INotel All ohmmeter tests must be performed with the engine
NOT running[] 1Separate the 1-pin connector between the stop button and the power pack2Calibrate ohmmeter on appropriate scaleConnect the meter red lead to the terminal in stop button end of the connector and the meter black lead to clean engine ground Button depressed, meter must show low reading Button not depressed, meter must show high reading3If engine fails to shut off, test for open blackyellow lead from power pack or open black lead from stop button4Complete all circuits disconnected during this testDR4097