12 pin trailer plug question

Submitted: Sunday, Sep 06, 2015 at 20:31
ThreadID: 130205 Views:6448 Replies:2 FollowUps:4
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Hi
Looking for info on wiring of a 12 pin trailer plug. I am soon picking up a new Jayco Journey & have to wire the 12 pin trailer plug with two 12 volt feeds, One for the caravan fridge & one to supply the ESC & Breakaway.
I currently have a CTEK D250S in the rear of the Pajero fed from the cranking battery. This charges the Fridge battery in the rear of the Pajero which runs my 40 Ltr Engel. It also goes to the Anderson Plug to charge 2 x 100ah batteries in the caravan when driving.
Is the CTEK able to feed these two extra 12 volt supplies for the 12 pin plug as well as the loads it already has? Or do these feeds need to come direct from the cranking battery?
Keeping in mind the CTEK already charges the Pajero Aux battery & the two 100ah batteries in the caravan.
I'm trying to avoid running the wiring for the 12 pin plug back to the cranking battery.
If I tap off the output of the CTEK I am concerned the extra load of the fridge in the caravan & the ESC & breakaway will be too much for it.

Hoping to hear from people who do know what their talking about please.....
Thanks in advance
Paul
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