User Manual

SENR9977 25
Systems Operation Section
Voltage Load-d
ump Protection
Module (VLPM)
g011333 54
Illustration 31
(1) VLPM
The VLPM monitors the voltage of the system and
the VLPM will protect the ECU on the fuel injection
pump against voltage spikes and reverse polarity.
The fuel injection pump will be shutdown if there is
high voltage on the system.
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Power Sources
Introductio n (Power Supplies)
The 1104C e
lectronic engine has four supplies to the
following components:
ECM
Fuel Injection Pump
Pressure sensors
Throttle p
osition sensor