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Add distilled water as needed to reach the split-level marker on each battery. Keep batteries
and battery terminals clean and tight.
Check the external condition of the batteries periodically. Look for cracks in the cover and
case. Make sure battery vent caps are tight and replace them if they are cracked or broken.
To prevent house auxiliary battery discharge when your motorhome will not be connected
to shore power for extended periods of time, it is recommended you turn “o” the 12-volt
battery disconnect switch, or “main power switch,” disconnect each battery bank at the
negative battery cable running to the chassis frame.
During storage, it is important to check battery voltage at least every two weeks and to re-
charge them as needed. If you remove the batteries from your motorhome protect them from
accidental shorting and keep them in a cool, dry, well ventilated area.
Do not reverse the positive and negative battery cables. Doing so will blow the reverse
polarity fuses that protect the power converter.
Contact the battery manufacturer for more information on the house auxiliary batteries. Re-
fer to your Chassis Guide for information pertaining to the chassis batteries.
The 12-volt battery disconnect switch is typically located near
the entrance door. This momentary switch controls a solenoid
which connects or disconnects the house batteries. The switch
lights up red when turned on.
When engaged the battery disconnect solenoid supplies battery
power to all accessories connected 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
motorhome 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 motorhome 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.
The combination carbon monoxide/propane alarm must be con-
nected to a constant 12-volt power source. The carbon monoxide/propane
alarm remains operational when the battery disconnect solenoid switch, or
“main power switch,” is in the “OFF” position.
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