This week I am going to buy a D4 cubby fridge from a fellow forum member and have a question. if I leave the fridge on I know it will flatten the battery as i my car is a D3. So the question is,as I have a T-max split charge system if i was stuck could I jump the cranking battery from the leisure battery as that would not have drained ? Or am I missing something ? I know its not ideal for a leisure battery to do that but If I was stuck could it be done ?The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.
24th Jun 2018 6:39 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72790
If it was me I'd hold out for a D3 one. I had a D4 one in a long gone D3 and it was a complete PITA remembering to switch it off, with the risk if not starting if I forgot. I ended up not using it. Ok it won't drain your Aux battery but you just know when you need that to jump from that it it'll not be up to it.
24th Jun 2018 6:45 pm
tayaste
Member Since: 15 May 2013
Location: Chester
Posts: 7633
And, the TMax relies on a small charge in the cranking battery to link to the aux. So if it’s proper dead dead, then you might need a link wire to be able to join them Mark.
24th Jun 2018 6:47 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4658
I keep a jumper pack permanently behind the drivers seat for just such an occasion, which is charged by an aux cig socket. I assume the auxiliary battery is the same or similar capacity as your main start battery!
So long as jump start precautions are observed, I cant see a reason why it couldn't be used for starting in an emergency.
I have already bought it Dell so not a lot I can do. All ok with you on your trip ?
A great idea Mr P from Kerry, I will invest in one of those. Always handy to have with a D4 fridge installed 😜The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.
24th Jun 2018 7:08 pm
Stumog
Member Since: 24 Mar 2018
Location: Bristol
Posts: 171
In my cruiser I have jump started one of the main batteries from the leisure battery with jump leads before and had no long term issues
24th Jun 2018 7:16 pm
Mogwyth
Member Since: 03 Oct 2014
Location: Pwllheli
Posts: 3976
Am I missing something here but cant you use a relay and take an ignition live to feed the relay, ignition off, no power to the relay fridge off? Or is there a reason to keep the fridge permanently on.==================================
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That had crossed my mind to run it from the leisure battery but I wasn't sure if it could cause problems elsewhere.The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.
24th Jun 2018 7:23 pm
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8110
I had D3 with one factory fitted, PITA, I fitted an aux battery solely to jump start the engine if/when I forgot to switch the fridge off.
Now I have a D4 stop start with one fitted, the SS has never worked and never shown a warning up till now that is when it has come on twice a few minutes on first start up, the thing is I have only used the fridge for the same two days.
I have previously checked the voltage of the aux battery and it has been good, if I remember correctly around 12.7v. I have also checked it twice in the last two days 9.7v. The first night I left the Ctek on.
I had come to the conclusion that the battery was goosed but after reading this I am wondering if in fact the fridge on SS models are powered from the aux battery?
Tonight fridge off Ctek on and see what readings I get on the Aux battery tomorrow night.It can when others can't,
It will when others won't,
It goes where others don't.
I would either feed it from the aux battery or find ignition controlled feed for itPete
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24th Jun 2018 8:08 pm
James1974
Member Since: 23 Nov 2017
Location: Stevenage
Posts: 990
Could fit a timer and relay that way if your traveling it won’t keep going on and off when your stopping all the timeDisco 3 gone but not forGotten
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Thanks all for your input 👍The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.
25th Jun 2018 9:20 am
LR3norway
Member Since: 25 Dec 2016
Location: NORWAY
Posts: 193
I have fitted a relay underneath the terrain response switch, signal from rear center console 12v/aux output. The wires are in the same harness, easy job.
25th Jun 2018 10:21 am
Beretta
Member Since: 11 Oct 2012
Location: Rochdale
Posts: 1180
Aerialmark wrote:
I have already bought it Dell so not a lot I can do. All ok with you on your trip ?
A great idea Mr P from Kerry, I will invest in one of those. Always handy to have with a D4 fridge installed 😜
If you want to off load it let me know 2010 Disco 4 HSE
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Ha ha I will, you have first dibs The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.
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up till now that is when it has come on twice a few minutes on first start up, the thing is I have only used the fridge for the same two days.
