1993 Johnson Evinrude "ET" 90 degrees CV Service Manual, P/N 508285, Page 237Get this manual
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Key Switch Check
Ohmmeter or Continuity Light
1Disconnect battery leads and leads at the key switch2With key switch in OFF position, connect continuity light or meter leads between key switch "BATT" and "A" terminalsLight or meter should not show continuity10 3Tu.rn switch to ON positionLight or meter should show continuity
[I] 4Turn key switch to START positionLight or meter should
still show continuity
[g] 5With key held in START position, transfer lead from "A"
show continuity to START or ON positions7Turn key show continUity