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SECTION 6 –
ELECTRICAL
6-10
the Battery drops to approximately 80% charge,
and the other is being charged. If the batteries are
not being charged, BIM isolates the two batteries
to prevent an electrical draw in one system from
depleting the other battery.
See your chassis manual for further
information on chassis batteries and chassis
electrical system.
House Batteries
House batteries are “deep-cycle” type
batteries specially designed for recreational
vehicle use. They will provide longer lasting
power than standard automotive starting batteries
and will withstand the frequent drain-and-
recharge cycles that occur under the demanding
conditions of a camping outing.
The house batteries supply power to 12-volt
equipment located in the living area of the
motorhome. This includes the following 12-volt
powered components (if equipped): interior 12-
volt lighting, range exhaust fan, propane furnace
fan, fresh water pump, systems monitor panel,
refrigerator, roof vent fans, and 120-volt
electrical generator starter.
The house batteries can also provide
emergency power to start the engine if the chassis
battery is discharged. (See “Battery Boost
Switch” in
Section 3 - Driving Your Motorhome
).
House batteries are automatically charged by
the chassis alternator while the engine is running.
HOUSE/COACH BATTERY
DISCONNECT SWITCH
(COACH BATT)
The House/Coach Battery Disconnect switch
lets you disconnect the house batteries from the
12-volt system of your coach during storage
periods to avoid battery drain by electrical items
that are hooked directly to the house batteries,
such as clock displays and radio memories, etc.
Always leave this switch ON while using the
coach.
NOTE: Some electronic displays and memory
functions may need to be reset after
power has been reconnected.
See also “Battery Care” elsewhere in this
section.
BATTERY ACCESS
The house/coach batteries (and chassis
batteries in certain models) are located in a
compartment beneath the interior entrance steps.
With the Residential Refrigerator, the house
batteries will be located in a separate exterior
compartment.
•
Unfasten the step retainer, then lift the step
upward and remove to service batteries.
Model 32H and 35P
House/Coach Battery Disconnect Switch
(Located near entrance door)
-Typical View
• Squeeze tab upward
to release latch
-Typical View