Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 85Get this manual
3Connect analyzer small red lead to adapter red input terminal4Connect analyzer small black lead to adapter black input terminal5Connect analyzer large red lead to the coil secondary output6Connect adapter red test lead to either primary coil terminal7Connect adapter black test lead to remaining primary coil terminal8Make sure current control knob is onLa ", and turn selector knob toCOIL POWER TEST" position 9Slowly turn current control knob clockwise until meter pointer shows 1.7 on theCOIL POWER TEST" scale At this timethe spark gap should be firing steadily 10Return the current control knob toLaand turn selector knob toOFF"If spark gap was firing steadily, the coil is good Leave the tester connected and test the coil highspeed If spark gap was not firing steadily, re place the coilFigure 27Testing Coil Surface Insulation CURRENT CONTROL KNOB
Testing Coil High-SpeedLeave analyzer and coil connected as shown Figure 26
IMPORTANT
Complete th is test as quickly as possible Return the current control knob toLaand selector knob toOFF" immediately after test1Turn selector knob toCOIL POWER TEST" position2Turn current control knob toHIor until meter reaches full scale Observe spark gap and turn current control knob toLaand selector knob toOFF" 3If spark gap fired steadilythe coil is good at high speed If spark gap did not fire steadilyreplace the coil4Remove the large red analyzer lead from coil and proceed to next test2Turn selector knob to "COIL POWER TEST" position 3Turn current control knob toHIor until meter reaches full scale 4Move test probe over entire insulated surfaces of coil