The DC voltage system in your motorhome consists of two separate and yet connected battery systems:
1. The automotive batteries(or chassis battery)
2. The auxiliary or motorhome batteries (or coach
10.3.1 AUTOMOTIVE BATTERIES
These are used to operate the starter, the automo-
tive accessories and all the controls found on the
instrument console. Included are the auto heater
fans, the exterior lights, the horn, speed control,
It is recommended that the automotive battery
cables be disconnected when storing the unit for
an extended period of time.
IMPORTANT
Removing battery cables from the
automotive (chassis) battery can clear
the engine/transmission logic modules.
These modules will recalibrate them-
selves once the vehicle is reconnected
to the 12 volt system and the engine is
started.
10.3.2 AUXILIARY BATTERIES
These supply power to all the 12-volt lights and
equipment in the living area of your motorhome.
Included in this would be vent and exhaust fans,
120-volt generator starter, water pump, furnace
fan, interior lights, holding tank and water level
gauges, etc.. These batteries may provide starting
power to your engine in case the automotive bat-
teries are dead. Refer to “Auxiliary Start Switch” in
These batteries are “deep cycle” RV batteries
designed to provide power over a long period of
time and to stand up under the frequent drain and
recharge conditions of a camping vehicle.
The motorhome has an easy access electric coach
battery disconnect. On Commanders, this discon-
nect is located in the overhead cabinet above the
entrance door. By switching this disconnect to
the store position, all 12-volt coach accessories,
lights, and appliances will be disconnected. On
the Embassy a manual switch is located under the
COMMANDER / EMBASSY
Fig. 10-10 AUXILIARY BATTERY DISCONNECT
Fig. 10-9 BATTERY LOCATION
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