Suzuki DF25/DF30 Four Stroke Service Manual, Page 62Get this manual
ENGINE CONTROL 3-11
ENGINE STOPEMERGENCY STOP SWITCH
09930-99320Digital tester Tester range(Continuity) 1Disconnect the emergency stop switch lead wire2Check continuityinfinity between the wiring leads under the condition shown belowTester probe connection Red (+) Lock plate installed Lock plate removed Lock plate installed and stop button depress (Note 1) BlueRed Green (Note 2) Black Black ()