Section 9 --- Electrical Systems - Chassis
Cayman 2005
290
BATTERY DISCONNECT - CHASSIS
The main battery disconnect switch, located in the battery compart-
ment, 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 off.
Turn the main battery disconnect switch off when the motorhome is
going to be stored for more than 48 hours, or when performing electrical
maintenance.
BATTERY - CHASSIS
Starting Battery
Starting batteries are designed for high output cranking power, but not for deep cycle like the house
batteries are designed to do. Starting batteries will not last long in deep cycle application. “Cold
Cranking Ampere” is a measurement of amperage output that can be sustained for 30 seconds at 0° F.
Starting batteries use thin plates to maximize the surface area of the battery. This allows a very high
starting current that will permit the plates to warp when the battery is deep cycled (discharged).
The starting batteries are located in the engine compartment. Periodically inspect the mounting
hardware and trays. Trays and hardware should be tight and clean with no corrosion.
NOTE:
Replacement batteries should have the same cold cranking amp (CCA) rating.
Battery with cover.
080460
Battery with cover removed. Cut plastic to remove cover.
060077e
Battery Disconnect
Located in Battery
Compartment
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