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FUSE B+ OUT
B– TO HOURMETER
B GROUND
MAGNETIC PICKUP
LOW OIL PRESS.
GROUND
HIGH WATER TEMP.
SPARE #1 SHUTDOWN INPUT
SPARE #2 SHUTDOWN INPUT
SPARE #3 SHUTDOWN INPUT
SPARE #4 SHUTDOWN INPUT
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OVERCRANK LIGHT OUTPUT
OVERSPEED LIGHT OUTPUT
LOW OIL PRESS. LIGHT OUTPUT
HIGH WATER TEMP. LIGHT O/P
SPARE #1 LIGHT OUTPUT
SPARE #2 LIGHT OUTPUT
SPARE #3 LIGHT OUTPUT
SPARE #4 LIGHT OUTPUT
Hourmeter Voltmeter
B+
1
A BABC D E
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3A Fuse
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4
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Over
Speed
Relay
Shut
Down
Relay
Fuel
Relay
J1
J2
A
J2
B
J2
C
J2
B+
B–
FUEL RELAY
SHUTDOWN RELAY
OVERSPEED RELAY
CRANK SIGNAL
RUN SIGNAL
B+
B+ to aux. starter solenoid
Run signal switched B–
MANUAL START
MODULE
Output
Barrier
Terminal
Blocks
Input
Barrier
Terminal
Blocks
Battery
Starter
Auxiliary Starter
Solenoid
B– Ground
(FR) Energize to Stop solenoid
(FR) Energize to Run solenoid
Fuel relay N.C. dry contact
Fuel relay Com. dry contact
Fuel relay N.O. dry contact
(SDR) Circuit breaker shunt trip
TB2
Lamp
TB1
Shutdown relay N.C. dry contact
Shutdown relay COM. dry contact
Shutdown relay N.O. dry contact
Overspeed relay N.C. dry contact
Overspeed relay COM. dry contact
Overspeed relay N.O. dry contact
+– –+
Figure 4-2.3.1: MC-900 wiring