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6.1 General
Your Everglades is equipped with 120 volt AC
and 12 volt DC electrical systems. The AC sys-
tem draws current from shore power outlets at
dockside. The DC system draws current from on
board batteries.
Your boat and engine charging system are de-
signed for 12 volt, AGM (Absorbed Glass Mat)
marine batteries such as Optima Blue Top batter-
ies. These are sealed maintenance free batteries
that will not emit dangerous hydrogen gas into the
systems compartment during charging.
All wires in the electrical systems are color coded
to make identifying circuits easier. Wiring sche-
matics have been included with this manual to
aid in following an individual circuit of the boat.
6.2 DC System Overview
The 12 volt system is a fairly standard marine
system. There are four batteries, one for the
starboard engine, one for the port engine and
two for the house and electronics. The center
engine is connected to the House circuit on triple
engine boats.
The batteries are located in battery boxes in the
systems compartment below a hatch in the cockpit
sole. Twin engine battery systems are controlled
by three battery switches, one for the port en-
gine, one for the starboard engine and one for
the house 12 volt accessories and the electron-
ics. Triple engine battery systems are controlled
by four battery switches, one for the port engine,
one for the starboard engine, one for the center
engine and one for the house 12 volt accessories
and electronics. The batteries are charged by the
engines or the battery charger when connected
to shore power.
Most 12 volt power is distributed to the 12 volt
accessories through individual circuit breakers
and fuses located in panels near the batteries
and at the helm. All circuit breakers or fuses are
labeled by the name of the circuit they protect.
Main circuit breakers near the batteries protect
the primary circuits for the DC main, electronics,
windshield, windlass and power steering system.
Additional fuses near the main circuit breakers
protect continuous power circuits for the stereo
memory, automatic switches for bilge pumps,
shower sump automatic switch and helm battery
switches. Most 12 volt accessories are operated
directly by switches in the helm switch panel,
hardtop switch panel, optional tower helm switch
panel or the head compartment. Most accessory
circuits are protected by “push to reset” circuit
breakers in the head compartment DC panel.
Main breakers or fuses located on each engine pro-
tect the ignition systems and gauge panel display.
Yamaha engine electrical circuits are protected by
fuses located in a fuse panel on the side of the
engine. The fuse panel is equipped with a spare
fuse for each circuit. Always replace fuses used
with the fuse specied by Yamaha or your engine
manufacturer. Refer to the engine owner’s manual
for more information on the fuses, fuse panels or
circuit breakers on your engines.
PROPER FUSE OR BREAKER PROTECTION MUST BE PROVIDED
FOR ALL 12 VOLT EQUIPMENT ADDED. DO NOT OVERLOAD
THE ACCESSORY CIRCUIT BREAKERS OR OTHER CIRCUITRY
THROUGH ADDITIONAL 12 VOLT EQUIPMENT.
6.3 Batteries and Battery Switches
The DC electrical system on your boat is designed
for Absorbed Glass Mat marine batteries such as
Optima Blue Top batteries. Do not attempt to use
gel cell or wet cell marine batteries. The engine
charging systems are not designed to recharge
these batteries which could cause unusually short
battery life, engine starting problems and damage
to the DC charging systems.
You should also not mix the size or brand of wet
cell batteries. Always consult your Everglades
dealer before changing the type of batteries in
your boat.
Chapter 6:
ELECTRICAL SYSTEM
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