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Chapter 4
BATTERY PARALLEL SWITCH
The battery parallel switch is connected through the en-
gine ignition switches to each of the engine cranking bat-
teries. If one of the engine cranking batteries is weak this
system will use the good battery from the one engine to
provide cranking power for the weak battery on the other
engine.
It is always recommended to let the weak battery recharge
awhile before using the battery parallel switch. This can
be done by using dockside power or by running the gen-
erator. This process will supply some initial charging en-
ergy to the weak battery. It is even more important to
follow the above procedure if the battery is “dead.”
To activate the battery parallel switch fi rst start the en-
gine with the charged battery. Let the engine run for a
few minutes. Now activate the battery parallel momen-
tary toggle switch while simultaneously cranking over the
weaker battery’s engine. After the engine starts release the
switch.
The battery parallel solenoid is located in the forward
bilge bulkhead on the port engine battery switch board
immediately above the engine panel box.
Periodically check all hardware for tightness along with
ensuring the protective boots are in place.
BATTERY PARALLEL
SWITCH
KEY SWITCHES
BATTERY PARALLEL
SOLENOID
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