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Electrical System
Emer Battery
Protects the circuit for the switch that controls the
emergency parallel remote battery switch that tem-
porarily connects the engine & house batteries to
provide additional starting current for the engines.
Notice:
Continuous power fuses are always supplied
current when the batteries are connected.
These circuits are not deactivated when the
battery switches are o.
Electronics and Helm Fuse Panel
Fuse panels located in the helm that are accessed
through a hatch in the head compartment. The
fuse panels are supplied power by the Electronics
Main breaker located in the systems compartment.
Fuses in the panel protect the individual circuits
for electronics or other accessories mounted in
the helm area of your boat.
Accessory Circuit Breaker Panel
Located in the head compartment. These circuit
breakers protect the circuits that are activated
by switches in the helm switch panel. Each cir-
cuit breaker is labeled for the accessory circuit it
protects. These circuits are deactivated when the
House battery switch is OFF.
Engine and Electronic Control Systems
Main Circuit Protection
Main Circuit Breakers
Boats with Yamaha Helm Master Electronic Steer-
ing systems are equipped with a heavy duty circuit
breaker for each engine steering pump in the aft
systems compartment that protect the steering
pumps from an overload. Other heavy duty circuit
breakers near the batteries protect the charging
circuit for each engine.
Circuit protection for other engines, controls, and
steering systems may be dierent. Refer to the
engine owner’s manual for information on circuit
protection and amperage requirements for the
engines and control systems on your boat.
Typical Helm Accessory/Electronics Fuse Panel
Accessory Circuit Breaker Panel In Head Compartment
https://www.boat-manuals.com/edgewater/
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