Section 9 — electrical SyStemS - cHaSSiS
1
camelot 2007
cHaSSIS electrIcal - IntroDuctIon
This section contains guidelines, procedures
and information that will assist in understanding
the chassis electrical system and the operation of
various components. Refer to the OEM manuals
included in the Owner’s Information File box for
their respective, in-depth, individual component
operating instructions.
Battery DISconnect
Chassis
The chassis battery
disconnect can be located
on 38’-40’ motorhomes
in the curbside electrical
compartment or on 42’ tag
axle motorhome in the rear engine
compartment. The switch controls the DC
power to the front electrical bay. Most chassis
and engine functions are interrupted when the
battery disconnect is turned off. Some electronic
components of the engine and transmission
require a constant power source and will
continue to draw power when the disconnect is
engaged.
Turn the main battery disconnect switch off
when the motorhome is going to be stored or
when performing electrical maintenance. If
possible, leave the motorhome plugged into an
AC source with the battery disconnect switch on
to help prevent the possibility of dead batteries.
If an AC source is not available, and the
motorhome is going to be stored more than 48
hours, it is recommended to turn the battery
disconnect switch off.
WARNING
When welding is involved for
motorhome repair or modification,
only qualified, experienced technicians
should weld on the chassis. Improper
welding procedures and materials
may weaken the assembly or result in
damage that is not obvious and may not
cause an immediate problem or failure.
Unauthorized modifications or repairs to
the chassis could result in a forfeiture of
warranty coverage.
DANGER
Due to the sensitive nature of the
electronics on the chassis, the following
precautions are required to protect
electrical components in the motorhome
chassis:
1. Disconnect the (+) positive and (-)
negative battery connection.
2. Cover electronic control components
and wiring to protect from hot
sparks.
3. Disconnect the terminal plugs from
the engine Electronic Control Unit,
located on the curbside of the engine
block.
4. Disconnect all the plugs from the
transmission Electronic Control Unit
located in driver’s console.
5. DO NOT connect welding cables to
electronic control components.
6. Attach the welding ground cable no
more than two feet from the part to
be welded.
Battery - cHaSSIS
The chassis battery is designed to produce high
amperage necessary to start the engine. Maintain
the chassis battery through regular electrolyte
level inspections and hydrometer readings.
High electrolyte consumption, or inconsistent
hydrometer cell readings, may indicate a
charging system problem. Perform a charging
system and current draw check if the battery is
exhibiting abnormal hydrometer readings.
NOTE
Replacement batteries should have the
same cold cranking amp (CCA) rating.
fuSe & cIrcuItS
Front Distribution Panel
The front electrical panel is located in the
outside roadside front compartment and contains
the fuses, self resetting manual reset supply
circuit breakers, solenoid and relays.
The automotive fuses are located in the front
electrical panel. The fuses are the standard plug-
in type (ATM). When a fuse “BLOWS,” the wire
in middle of the plastic case will be broken. A
bad or blown fuse must be replaced with a fuse
of the same rating and type.
060077c
Battery with cover removed. Cut plastic to
remove cover.
080460b
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Страница 244: ...Section 10 chassis information 240 camelot 2007 42 Tag Axle Models 070171i 070171j...
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