12v switch in camper confusion

Hi Nigel

More info please.

Where does the 'hot' wire connect to the battery ?

Before or after the fuse / switch situation.

Regards

Derek.

Nigel,
You should have a good size cable coming from the vehicle to the van, probably via an Anderson Plug or possibly you may have a Britax/Narva 12 pin plug (the bottom 5 pins are for higher amperage uses). This heavy cable should join your 2 batteries (the one in the vehicle and the one in the camper) together (probably via some sort of solenoid).

That heavy cable should not have a switch on the van end in my opinion. It should take the + power into the battery. You would then have another wire/s coming off the + battery terminal in the camper, going via the fuse to the switch and then onto the lights etc that you wish to power-up from the new battery.

That way, the master switch can be turned off (if you need to), which will stop any drain on the battery in the event that something has been left on (light, water pump, cd player etc).

Hope this makes sense

Roachie

Hi Derek, I would guess that it is connected to the converter.
I seem to remeber being told that it runs to the fridge first then the converter.

Nigel

Roachie, the hot wire connects from the car to the van via the trailer connect plug. I like your idea as it seems to safegaurd everything.


Nigel

I always travel with my switch on the ON position.

The reason that the isolation switch is fitted is to ensure that everything except the frig is turned off.
There have been plenty of campers burnt out due to lights being left on and igniting the canvas jammed up against it when closed.