Auxiliary Battery (Independent, Authorized Dealer Installed Option); Battery Isolator (For Tow Vehicle) - Jayco Jay Feather 2005 Owner's Manual

Utilities/Systems
information on the auxiliary battery.) The converter will supply power through the fuse
panel located near by, possibly in the same compartment.
Refer to the manufacturer's information supplied with your trailer and/or consult with your
independent, authorized dealer to answer questions you may have. Information can also be
found at the manufacturer's website at www.iotaengineering.com.

Auxiliary Battery (Independent, Authorized Dealer Installed Option)

All trailers are designed and built to accept a battery. A deep cycle marine type is
recommended as you need longer energy rather than cold cranking power. A battery is
required to operate the breakaway switch and also provides a source of energy when
traveling and camping.
All battery packages require an "in-line" fuse and holder attached to the battery for circuit
protection. Consult with an independent, authorized dealer for correct installation of the
auxiliary battery.
Maintenance on a battery is required for longer life. First, all terminals need to be kept
clean and free of corrosion. Second, a battery that is used daily and charged frequently by
the power converter will consume water. Keep the battery filled as the cells cannot hold a
charge when the water is low. A deep cycle battery is NOT maintenance free. Additional
guidance for proper battery maintenance may be obtained from your independent,
authorized dealer.
In normal conditions a converter will not overcharge a battery unless (a) the battery has low
or dead cell(s), or (b) the converter has a malfunction. The charging module on some
converters have a positive shut-off and on others there is a reduced charge rate to a very low
amperage.
A fully charged battery will read 12.7-volts DC and 1.265 specific gravity at 80°F (32°C).
A battery is considered discharged at 11.8-volts DC. If the voltage drops below these
levels, permanent damage will occur.
The RV battery is installed in parallel circuitry with the battery on your tow vehicle. Both
batteries supply power to your RV, so it is important not to discharge the tow vehicle
battery below the level of power required to start the engine. To prevent this occurrence
while parked, disconnect the wiring harness between the RV and tow vehicle or install a
battery isolator (see below). When the tow vehicle's engine is operating with the RV
connected, the vehicle's charging system will charge both the vehicle battery and the
auxiliary battery.

BATTERY ISOLATOR (FOR TOW VEHICLE)

A battery isolator should be installed for two purposes. First it receives current from the
alternator and controls distribution of energy to both batteries. Secondly, it serves as a
check valve to prevent energy from being drawn from tow vehicle chassis battery. Energy
in the tow vehicle is now preserved to start your engine.
Two types of isolators are available, mechanical and solid state. Each type has an amperage
rating (70-amp per side) to indicate it's capacity of operation. The solid state type of
isolator, although typically more expensive, will provide the best overall performance.
Your independent, authorized dealer can assist you with purchase and installation if you
choose to purchase a battery isolator.
Jay Feather Conventional Travel Trailer 65