Wednesday, Jun 12, 2013 at 11:54
Carlo,
My Cruiseliner was set up as Stu described. I did much the same as him, but with a difference :-)
In the car I ran heavy cable (6B&S) to an Anderson at the back. I had no second battery, but I used an isolator to ensure the Anderson was live only when the engine was running.
In the van I ran new heavy cabling (6B&S) again) from an Anderson to the battery area. I installed a DC-DC battery charger to make sure the battery got a proper charge from the car.
I re-wired the 12V to the fridge (factory wiring was too small) and installed a change-over relay in the van so that when the Anderson was live the fridge ran off the car alternator via the Anderson, and when the Anderson was dead (car not running) the fridge ran off the van battery. I only intended that to be for short stops. For long stops we would start the gas. I think if I was doing it now I wouldn't bother with the change-over relay, but as it was the system did work really
well. The secret for decent 12V operation of the fridge is BIG cable.
I also tidied up the factory wiring. Instead of having a multitude of positives and negatives going to the top of the battery, I installed +ve and -ve
junction blocks (fuses on the +ve one), with one big (6B&S) cable from each to the battery.
Cheers
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