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Mercury 90 - Stop Circuit

Mercury 90
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2A-24 - ELECTRICAL 90-830234R3 DECEMBER 1997
Stop Circuit
To stop the engine, the stop switch is closed allowing
the capacitor charge current from the stator to drain
directly to ground.
NOTE:
The CDM contains a zener diode (not shown
for clarity). This diode prevents overcharging of the
capacitor (and possible failure) if the SCR does not
receive a trigger pulse.
N
BLK
N
S
S
S
S
S
S
N
N
N
N
N
S
GRN/WHT
WHT/GRN
YEL
YEL
BRN
BLK
WHT
+
+
+
_
_
_
WHT/GRN
PPL
BRN
BLK
BLK/YEL
BRN
BLK/YEL
BLK
BLK/YEL
2
3
PPL
a
b
c
d
e
f
g
h
i
j
1
Return Voltage
CAPACITOR-
Source Voltage
COIL-
SCR-
DIODE-
Trigger Voltage
a - Battery Charging Coils
b - Trigger Coils
c - Capacitor Charge Coils
d - CDM #1
e - CDM #2
f - CDM #3
g - Rev. Limiter (Not Used On All Models)
h - To Ignition Switch
i - Stop Switch
j - To Voltage Regulator

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