1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 279Get this manual
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Key Switch Check
Ohmmeter or Continuity Light
1Disconnect battery leads and leads at the key switchr:;-:;l 2With key switch in "OFF" position, connect continuity light or meter leads between key switch "BATT" and "A" terminalsLight or meter should not show continuity