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  #13  
Old 01-25-2014, 10:50 PM
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Re: Dual battery MY14 Overland CRD

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Originally Posted by Sege View Post
Ta - maybe I will leave it live with no ignition dependence.....
In the system I fitted yesterday the owner wanted to use a Cteck DC to DC. I have not used these before but this one seemed to to the job pretty well and did not require an ignition trigger to switch it on. I have heard that they don't do so well with electronic alternators but I have no experience with them in that setup. The Redarc is available with a ign model and this works fine with electronic alternators. The only comment is that the Cteck is a bit high and can't easily be fitted under the passenger seat. If in the wrong place it will foul with the seat hardware if the seat is set right back. Otherwise no problem.
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  #14  
Old 01-26-2014, 06:55 PM
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Re: Dual battery MY14 Overland CRD

Ummmm Peter, those bright yellow wires under the seat belong to the airbag.
Not something you want to foul with anything.
The underseat wiring was a rats nest on ours (well I thought so, obviously the factory had a different idea), and something i tidied up with a few cable ties in the first days of ownership.
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  #15  
Old 01-26-2014, 08:37 PM
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Re: Dual battery MY14 Overland CRD

[QUOTE=John47;965943]Ummmm Peter, those bright yellow wires under the seat belong to the airbag.

Yes, understood. The main issue was the plastic housing that carries the seat drive rod from one side to the other. Just had to mount the Ctek back a bit and all is well.
I used a Redarc in my own install and mounted it in a completely different place.
Thought I had found a great spot under the back seat to mount my compressor. Fitted really well until I tried laying the seat down. So back to square one for that job!
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Old 01-31-2014, 04:32 AM
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Re: Dual battery MY14 Overland CRD

I had a quick look into this myself and as there's no real space under the hood, I think a portable battery system would be better. You can just take it with you when camping, and leave it in the garage to trickle charge when not. I have no DIY skills, so I wouldn't make one myself. Something simple like

Projecta BPE330 Battery BOX AGM Deep Cycle UP 2 130AH Dual System 12V 100AH LED | eBay
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  #17  
Old 05-26-2014, 08:45 PM
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Re: Dual battery MY14 Overland CRD

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Originally Posted by Peter.T View Post
I have fitted a 100 ah AGM battery under the passenger seat in a 2013 JGC successfully and am doing another tomorrow for a friend.
This is only possible in a non Qlft model.
If any one is interested I can post a full description and pics etc.
Pete.
Hi.. Interested in pics and some note so I can do the same to my GC

Steve
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Old 05-26-2014, 11:14 PM
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Re: Dual battery MY14 Overland CRD

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If you have Quadralift itís a no go. All the stuff for that is under the passenger seat.
Same situation if you have ventilated seats, the equipment for those in in this location too.

FYI, the colour you chose for the text makes it quite hard to read, as it has poor contrast with the default background.
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  #19  
Old 05-26-2014, 11:23 PM
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Re: Dual battery MY14 Overland CRD

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Originally Posted by SNUKE View Post
Same situation if you have ventilated seats, the equipment for those in in this location too.

FYI, the colour you chose for the text makes it quite hard to read, as it has poor contrast with the default background.
Yep I copied it from a doc I wrote a while ago and forgot about the colour.
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Old 05-27-2014, 03:30 PM
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Re: Dual battery MY14 Overland CRD

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Originally Posted by s20man View Post
Hi.. Interested in pics and some note so I can do the same to my GC

Steve
I need to warn you it is not easy and space is very limited. I wanted to fit a 120 Amp hour battery but it is simply too big. I added a 100 Amp hour Ritar AGM and it is laying on its side. If you have Quadralift itís a no go. All the stuff for that is under the passenger seat.

I imagine that the whole process would be easier if the front seat was removed or even just unbolted so that it could be moved forward or back further.

In order to get the battery in you have to butcher the plastic container that holds a couple of relays and another circuit box. I cut the box all the way around under the rim, leaving the plastic support for the lid. I used a multi tool for this and it worked pretty well.

I relocated the relays etc. to the left side of the hole. There is room to move them to the side without any wire mods. I used double sided tape to hold them in place.

I then drilled a hole in the floor at the front of the tub for the negative connection to chassis ground. This has to be in place before the battery is installed. I added a 70 amp circuit breaker and dropped the battery in. I have run my cables to the sill on the lh side and have a dc to dc charger in the little space in the engine bay opposite side to the factory battery points. I have a manually operated solenoid that will connect both the main cranking battery and the secondary battery together should the need ever arise that one or other battery needs assistance.

All battery load is run via 10mm cable to the rear quarter panel and then on to cig, Hella, USB and Anderson plug connections.

There is nothing holding the battery down but there is no way it can move without a fair amount of grunting and force.
Unfortunately the 'hole' under the passenger seat is not as deep as the one under the driver's seat and so the battery cannot be upright and have the compartment lid still fit flush.

I ran cables through the firewall. There is a grommet on the passenger side in the cavity below where I have fitted the DC to DC charger etc. This comes out behind the glove box and everything to the engine bay was routed through here. There is a cavity under the windscreen wiper assembly etc. to allow cable to run across to the battery terminals on the driverís side engine bay area.
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  #21  
Old 05-28-2014, 02:53 AM
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Re: Dual battery MY14 Overland CRD

Hi Peter,

what size cable did you run between the aux batt/manual isolator and under bonnet battery points?

Is there enough room to run 35mm weld cable?

This would be perfect in winching situations.

Cheers

Leggo
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  #22  
Old 05-28-2014, 05:13 AM
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Re: Dual battery MY14 Overland CRD

Hi Leggo.

Yes I used 35mm as there is plenty of room. I also ran the brake controller feed through the same tube and a couple of spare cables in case I need any extras.

Pete
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  #23  
Old 05-28-2014, 05:53 PM
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Re: Dual battery MY14 Overland CRD

Thanks for that Pete
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