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Chapter 3 CARAVAN SERVICE SYSTEMS
THE ELECTRICAL SYSTEM – 12 VOLT (continued)
The control panel is fitted with a master 12-volt switch; this enables
you to isolate the 12-volt supply in the caravan.
The control panel controls the operation of various 12V equipment
i) Indicated charge level of the caravan battery (a good battery
should indicate 13.8 volts)
The BCA 1212 Unit
The system is fitted with an automatic relay to select the power source.
When the car is connected via the ‘s’ plug the car power will be used.
When the car is not connected the battery and or the power supply
will be used to power the caravan.
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