Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 92Get this manual
IMPORTANT Complete this test as quickly as possible Return the current control knob toLOand selector knob to "OFF" immediately after test1Turn selector knob to "COIL POWER TEST" position 2Turn current control knob to "HI" or until meter reaches full scale Observe spark gap and turn current control knob to "LO" and selector knob toOFF" 3If spark gap fired steadily, the coil is good at high speed If spark gap did not fire steadilyreplace the coil4Remove the large red analyzer lead from from coil and proceed to next test
2Turn selector knob toCOIL POWER TEST" position 3Turn current control knob toHI" or until meter reaches full scale 4Move test probe over entire insulated surfaces of coil and spark plug lead(s)
IMPORTANT
Do not hold test probe at one point too long Complete test as rapidly as possible
A faint spark may occur around coilA strong spark indicates leak5Return current control knob toLOand selector knob toOFF"6Remove all connections and test coil continuity