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Load Center
The Load Center contains 12VDC fuses and 120VAC circuit breakers for almost all of the
electrical appliances and circuits in the RV. The 120V main breaker may be located in this
panel and will turn o all 120-volt power to the RV. Load center location, appearance and
conguration may vary by model. Refer to the diagram inside the load center for specic
fuse assignments.
Motor homes may have separate small panels for breakers and fuses. They are normally
located in close proximity to each other typically in the bed platform. The converter is
mounted separately, typically under the bed platform.
When engaged the battery disconnect solenoid supplies battery power to all accessories con-
nected to the house 12-volt fuse panel. The solenoid must be engaged for the 12-volt house
electrical system to operate.
The battery disconnect feature should be used to disconnect the motor home from house
battery power during periods of storage or during maintenance.
If the Main Power switch is turned OFF, the power entrance door steps will still function
when the door is opened.
Depending on your model, your motor home will be equipped with either a Battery Isolator
Solenoid or a Battery Isolation Manager.
The isolator solenoid breaks the connection between the house batteries and the chassis bat-
tery when the ignition key is in the “OFF” position.
Breaking this connection prevents discharge of the chassis battery (used to start the engine)
when using 12-volt devices in the house section of your motor home.
When the engine is running the isolator solenoid engages allowing the house batteries to be
charged by the vehicle alternator.
Depending on your model, the Battery Boost switch or the Auxiliary Start button engages
the solenoid and joins the house battery with the chassis battery to provide a “boost” to help
start the motor home if the chassis battery charge is low.
The auxiliary start switch can momentarily connect both the house and chassis batteries
should the chassis battery become discharged.
To operate, depress either the “Aux. Start” switch (located on the front driver’s dash) or the
Battery Boost switch on the driver console and hold it down. While the “Aux. Start” switch
or Battery Boost switch is depressed use the ignition key to start the chassis engine. Release
the “Aux. Start” switch (or Battery Boost switch) after the engine has started.
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