1989 Johnson Evinrude "CE" Colt/Junior thru 8 Service Manual, P/N 507753, Page 133Get this manual
STEPSENSOR COIL TEST Ground Test 1Disconnect the sensor leads from the ignition module2Set C.Dvoltmeter to
f"4l 3Insert meter red lead into one sensor leadAttach meter L!.J black lead to clean engine groundCrank the engine and observe meter
L!.J and observe meter
f"4l 4Move meter red lead to the other sensor leadCrank engine Any reading on either test indicates grounded sensor coil or lead Locate ground and repair, or replace the sensor coilDR1785