12-Volt Dc System; Battery; Fuses; 12-Volt Dc Accessory Outlet (If Equipped) - Bayliner E21 Owner's Manual

Chapter 10: Electrical System

12-Volt DC System

Battery

The battery supplies electricity for lights, 12-Volt accessories and engine starting.
The Electrical section in the Sport Boat Owner's Manual provides battery care and maintenance instructions.

Fuses

Replace fuses ONLY with a fuse of the same rating. Fuses for the accessories are on the fuse block.
See the Component Locations section in Chapter 2 for the location of the fuse block. Fuses for the engine
control and gauges are on the engine. See the engine operation manual.
Some equipment may have secondary fuse protection at the unit or at the battery.

12-Volt DC Accessory Outlet (if Equipped)

Do NOT use the 12-Volt DC accessory outlet with a cigarette or cigar lighter. High
temperatures may melt the outlet.
The 12-Volt DC accessory outlet can be used with any 12-Volt device which draws 10-amps or less.
The 12-Volt DC accessory outlet is protected by a 10-amp fuse on the fuse block.
See the Component Locations section in Chapter 2 for the location of the 12-Volt DC accessory outlet.

Alternator

The alternator will keep the battery properly charged when the engine is running at, or above, cruising speeds.
WARNING — Never:
work on the electrical installation while the system is energized;
modify the craft's electrical system or relevant drawings. Installation, alterations and maintenance should be performed by a
competent marine electrical technician;
alter or modify the rated current amperage of overcurrent protective devices;
install or replace electrical appliances or devices with components which exceed the rated current amperage of the circuit;
leave the craft unattended with the electrical system energized, except automatic bilge pump, fire protection and alarm circuits.
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E21/E7 · Owner's Manual
(If Equipped)
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