1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 124Get this manual

1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 124

DR4137 DR4138 S.L.O.Warning System This ignition system incorporates the S.L.DWTM warning system, which gradually limits
leadFunctional Test 1Disconnect temperature switch tanblue lead2Install correct test propellerStart engine in test tank and
run at 3500 RPM3Attach the engine harness tan lead to clean engine ground: Engine must slow to approximately 2500 RPM4Stop
the engineIf engine speed reduced in Step 3, test the temperature switchRefer to Temperature Switch Test, Section If engine
speed did not reduce in Step 3: Amp ModelsCheck wiring or replace power pack12 Amp ModelsGo to Step 55Separate 5-pin Amphenol