Unity Motorhome
83
Electrical System Operation
12 Volt DC system
The 12 volt DC power system in your motorhome
consists of the following two distinct, but
interconnected, battery systems:
Chassis Battery - Located under the driver’s
side cab oor (1).
Coach Batteries (3) - Located behind a panel
(4) in the interior coach doorway steps.
NOTICE
A 200 amp fuse (2) located on the side of
the chassis battery, protects 12 volt coach
charging system.
Chassis Battery
The chassis battery operates the vehicle
starter; vehicle accessories, and; all the vehicle
controls on the instrument console such as the
heater fans, exterior lights, horn, speed control,
windshield wipers, etc.
Disconnect the chassis battery cables when
parking the motorhome for an extended period
of time. Refer to the chassis operator’s manual
in the Motorhome Information Kit for the chassis
battery quick disconnect location.
NOTICE
Disconnecting the battery cables from
the chassis battery can clear the engine/
transmission logic modules. These modules
will automatically re-calibrate when you
reconnect the battery and start the engine.
The coach fuse block and the 15 Amp fuse for
the solar panel are located inside the chassis
battery compartment. Inside the fuse block, a
cable (5) connects the Solar Panel Fuse.
NOTE: Fuses must be replaced with the
same rating and same type.
3
4
2
1
5
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