1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 121Get this manual
10112 in (26,7 cm)
DRC6251
3Attach engine harness tan lead to clean engine ground If engine slows to approximately 2000 RPM, test temperature switchRefer to Temperature Switch Test, Section
4 If engine does not slow to approximately 2000 RPM, check wiring or replace power pack
On remote electric start models, if the engine goes into 5.L.0Wrepeatedly or ifthe engine goes into 5.L.0Wwithout an operator warning signal, check the engine harness blocking diodeRefer to Blocking Diode Test'-_L_ _
Blocking Diode Test