Fridge Motion Switch

Submitted: Wednesday, Mar 02, 2011 at 19:43
ThreadID: 84731 Views:2262 Replies:5 FollowUps:2
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I have a 2008 Outback Jayco equipped with a Dometic RM2553 fridge. I have run the battery flat with the wagon motor turned off and I don't want to do it again. The Fridge Switch seems to be a good answer to the problem. I did see one member state that he had the same set-up and that the switch was in behind the lower fridge vent. I would appreciate if someone could advise me of the wiring of the switch to this fridge.. It would possibly save some foul language around the house.
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Reply By: Member - Rob D (NSW) - Wednesday, Mar 02, 2011 at 20:40

Wednesday, Mar 02, 2011 at 20:40
My camper trailer has a relay that is activated by the car ignition so that the 12V is disconnected if the engine is not running. Is this what you want?
The 3 way fridges draw somewhere between 10 and 13 amps so they will discharge your battery fairly quickly.
If you relax at a faster pace you can get more relaxation in for a given time.
Regards Rob

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AnswerID: 447140

Reply By: RoyHarvey - Wednesday, Mar 02, 2011 at 20:43

Wednesday, Mar 02, 2011 at 20:43
The rvelectronics site has a fairly clear instruction page if that's any help.
AnswerID: 447141

Follow Up By: Ianw - Wednesday, Mar 02, 2011 at 20:53

Wednesday, Mar 02, 2011 at 20:53
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FollowupID: 719443

Reply By: MarkSom - Thursday, Mar 03, 2011 at 07:59

Thursday, Mar 03, 2011 at 07:59
Hi Bourbah, Mark from Ballina, got 2005 jayco dove ob, know the problem, i put an external switch...clipsal 240v weatherproof box & switch..near the vent,run heavy wires thru to isolate 12v from wagon..this doesnt stop 12v from van battery so turn off power supply in the van.. put an indicator light so we can see easily while travelling or pulled up, just switch on when starting up, turn off when pulling up for a while.........OR put a relay from your wagon battery that pulls in with engine run on.
AnswerID: 447184

Follow Up By: Ray - Thursday, Mar 03, 2011 at 08:28

Thursday, Mar 03, 2011 at 08:28
That is similar to what I have done. I have batteries mounted on the draw bar of the caravan. These batteries are connected, via fuses of cause, to the 3 way fridge but I have an ignition operated relay that opens when the car ignition is turned off. This relay is mounted close to the fridge and the "heavy" power cables kept as short as possible.
FollowupID: 719486

Reply By: PeterInSa - Thursday, Mar 03, 2011 at 16:26

Thursday, Mar 03, 2011 at 16:26
Hi BB,
We have a Frig Switch mounted behind the lower vent... Their great... But... When you stop for the night remember to switch over to Gas/240vac, or the cook/you may have to clean out the defrosted frig.
AnswerID: 447225

Reply By: Bourbah - Tuesday, Mar 08, 2011 at 22:11

Tuesday, Mar 08, 2011 at 22:11
I thank all those who responded to my question.
I ended up paying $80.00 for a dual battery system from Supercheap that now automatically disconnects the fridge when the ignition is switched off. it also makes sure the crank battery is looked after first and I can forget about having to pull the plug when I stop.
AnswerID: 447718

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