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12-Volt DC System
The DC voltage system consists of the chassis battery and the 12-volt motor home auxiliary (house)
Automotive (Starting) Battery
The chassis battery is used solely to operate the engine starter and all automotive accessories and controls
found on the instrument panel. This includes the horn, speed control, all exterior lights, radio, windshield
wipers, etc.
House Batteries
The house batteries supply current to all 12-volt equipment located in the living area of the motor home.
This includes interior lights, range exhaust fan, furnace fan, water pump, water level and holding tank
gauges, 110-volt generator starting, refrigerator and the bath roof vent fan.
The house batteries are “deep-cycle” type batteries specially designed for recreational vehicle use. They will
provide longer lasting power than standard automotive batteries, and will withstand the frequent drain-and-
recharge cycles that occur under the demanding conditions of a camping outing.
The vehicles engine alternator automatically charges the house batteries while the engine is running.
12-VOLT HOUSE FUSES AND CIRCUIT BREAKERS
Either a fuse panel or breaker panel protects all 12-volt circuits and equipment in the coach area of the motor
home. When a circuit is overloaded or a short develops in any part of the system, a fuse or breaker will open
and shut down that circuit. If this happens, turns off all affected lights or appliances and reset the breaker or
replace the fuse with a new one of equal amperage rating.
A label on the panel states the amperage rating and circuit protector for each fuse or breaker.
Fuse Panel
The fuse panel is mounted on the right-hand side of the power converter. The fuse panel accepts only blade
type plug-in fuses. Always replace fuses with those of the same amperage rating.
NOTE: Never use a higher amp fuse as this may cause damage to your coach and/or cause a fire.
BATTERY INFORMATION
Chassis Battery Access
The chassis (starting) battery is located in the engine compartment.
Auxiliary (House) Battery Access
The auxiliary batteries are located in a battery storage compartment for convenient access for periodic
inspection or maintenance, location differs from model to model. Your dealer should show where they are
located on your specific model.
To service or remove the batteries, unfasten the retainer strap and disconnect battery cables.