Mercury 200 OptiMax Jet Drive Service Manual page 100

Ignition Coil Resistance Test
Remove the ignition coils from the electrical plate. Refer to Ignition Coil Removal.
Secondary
Tower
EST Pin A
Red Meter
EST Low Pin B
Lead
Secondary Low
Pin C
Primary Ground
Pin D
Battery + Pin E
EST = Electronic spark trigger
EST Low = Return ground path for the trigger signal to the ECM
90-8M0050731 MAY 2011
Black Meter Lead
Secondary
EST Pin A
Tower
X No Continuity
No Continuity X
8500–12000
No Continuity
ohm
No Continuity No Continuity
20000–50000
No Continuity
ohm
11000–21000
No Continuity
ohm
c
b
a
Secondary
EST Pin B
Low Pin C
No Continuity 2–8 megaohm
8500–12000
No Continuity
ohm
X No Continuity
No Continuity X
31000–51000
No Continuity
ohm
21000–31000
No Continuity
ohm
Ignition
d
e
36993
Primary
Battery + Pin E
Ground Pin D
No Continuity No Continuity
29000–50000 11000–21000
ohm ohm
39000–51000 21000–31000
ohm ohm
No Continuity No Continuity
13000–23000
X
ohm
13000–23000
X
ohm
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