1992 Johnson Evinrude "EN" 90 deg. Cross V Service Manual, P/N 508145, Page 141Get this manual
Ohmmeter TestKey Switch Note All ohmmeter tests must be performed with the engine not running1Install the emergency stop switch clip and lanyard2Disconnect 5-pin Amphenol connector between the power pack and engine harness
3Calibrate ohmmeter on appropriate scaleConnect meter leads between engine harnessA" terminal and clean engine ground Key OFF, meter must show low reading Key ON, meter must show high reading4If Step key ON reading is low one, disconnect harness blackyellow leads from key switch "M" terminal If meter now shows high readingtest key switchRefer to Electrical Section If meter shows low reading, go to Step 55Separate emergency stop switch lead from harness blackyellow lead at the key switch If meter now shows high reading, test emergency stop switch If meter shows low reading, test wiring harness6Repeat Steps thru using engine harness "0" terminalVI ID