1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 172Get this manual
Ohmmeter TestStop Circuit
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All ohmmeter tests must be performed with the engine NOT running
1Attach clip and lanyard to emergency stop switch 2Separate the 2-pin Amphenol connector
between power pack and key switch
3Separate the 1-pin Amphenol connector between engine wiring harness and shift switch
4Calibrate ohmmeter on appropriate scale5Connect meter black lead to clean engine ground Connect meter red lead to connector terminal "8" (blackyellow) wire Key OFF, meter must show low resistance Key ON, meter must show high resistance6If Step key ON reading is low one, disconnect harness blackyellow lead from key switch "M" terminal If meter now shows high reading, replace key switch If meter shows low reading, go to Step 77Disconnect the key switch 6-pin connector If meter now shows high reading, repair or replace key switch harness If meter shows low reading, go to Step 8