SYSTEM OPERATIONS-15
DC ELECTRICAL SYSTEM
DC ELECTRICAL SYSTEM COMPONENTS
BATTERIES
BATTERY SWITCHES
FUSE BOX - Salon
FUSE BOX - Bridge
PANEL - Main - Salon
HELM ACCESSORY SWITCH
BATTERY CHARGES
BATTERIES:
The DC Electrical System obtains its
power from the batteries. The batteries are
located in the Engine Room. There are the
Generator Batteries, the Starboard Batter-
ies and the Port Batteries. The quantity of
each group depends on the engine option.
All batteries are 12 volt.
NEGATIVE GROUND SYSTEM
The negative terminal of each battery is
attached to a grounding stud on each en-
gine. This is known as a “negative ground
system” and is the approved system for
marine DC electrical systems. The battery
wiring system has two color-coded wires.
The yellow wire is the ground (negative)
wire and the red wire is the positive (“hot”)
wire.
BATTERY SWITCHES:
The batteries are directly connected to the
Battery Switches. The battery switch has
two positions - ON and OFF. When the
battery switches are in the OFF position,
the entire DC electrical system is OFF
(except for the memory).
Generator Battery Switch: The Generator
Battery Switch is located forward of the
generator in the engine room. This switch
determines if the battery power is “ON or
“OFF” to the generator. The generator
supplies AC power, not DC Power.
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Starboard and Port Battery Switches:
The starboard and port battery switches
are located inside the Salon, to the lower
port side of the entry door. The photo be-
low shows the battery switches.
These switches control the entire DC
System. If the switches are “OFF”, no DC
power at all is activated on your boat.
NOTE: The bilge pumps, carbon monox-
ide detectors and radio memory are NOT
disconnected from their power source
when the battery switch is turned to the
“OFF” position. These accessories are
connected directly to the battery and do
not require a switch for operation. There
is also a breaker between the battery and
the memory section of the fuse box. This
breaker is located between the battery
switches shown above. You would turn
this breaker “OFF” to service only these
items.
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