warrenyates
Member Since: 05 Mar 2006
Location: Warwickshire
Posts: 18
  
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| 12 volt socket in the boot and my electric cool box |
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Hi guys can any body help me. I have and electric cool box that has a 12 volt plug (cigerete lighter type) that i use in the boot conecting it to the out put socket in the boot.
I was reading the instruction on the cool box. It apparently it has some kind of system that monitors the battery and will automatically shut it down rather than flaten the battery.
As we are going camping I would like to use the coolbox as a tempory fridge but the socket only has power when the ignition is swiached on. can this be changed to be permantley live?
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 Sun May 18 2008 9:11pm |
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MW
Member Since: 08 Dec 2005
Location: Huntingdon
Posts: 26
 
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You can change this very easily, i have a 80 litre fridge engal which hits the auxilary 12v, but if you have a hunt behind the socket, i.e. where the removable tow bar sits when detached you can find a permanent feed. i used the one for the caravan electrics and wired it hard in. It always stays live when the ignition is off. If you want more info i will take a pic tomorrow as i cant remeber off the top of my head, i think i put a fuse in as well for peace of mind.
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| Sun May 18 2008 9:47pm |
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drivesafe
Member Since: 23 Feb 2006
Location: Gold Coast, Australia
Posts: 521
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| Re: 12 volt socket in the boot and my electric cool box |
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warrenyates wrote:I was reading the instruction on the cool box. It apparently it has some kind of system that monitors the battery and will automatically shut it down rather than flaten the battery.
Hi warrenyates, if your fridge has selectable cut-out voltages, make sure you select one for no lower than 12 volts or your going to have problems.
Many fridges have a 10.5 cut-out and this will give you virtually a flat battery.
It would pay you to check your fridge settings before you do anything else.
Cheers. 2008 TDV8 RR Lux + 2009 D4 2.7
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| Sun May 18 2008 10:34pm |
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Ken
Member Since: 20 Feb 2006
Location: Playing with the Grey Dogs
Posts: 8896
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Get a second battery fitted it may be cheaper than you think.
I think I've heard of a top bloke called TFC (10forcash) who does this sort of thing to a very very high standard
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| Mon May 19 2008 7:15am |
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TallPaul
Member Since: 03 Jan 2008
Location: Near Reading
Posts: 1115
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Ken wrote:Get a second battery fitted it may be cheaper than you think.
I think I've heard of a top bloke called TFC (10forcash) who does this sort of thing to a very very high standard
Don't forget there is a group buy running at the moment for optima batteries, perfect spec and size to fit the spare space under the bonnet 
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| Mon May 19 2008 2:00pm |
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britindus
Member Since: 25 Apr 2008
Location: Christchurch
Posts: 193
 
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whatgoeshere wrote:Ken wrote:Get a second battery fitted it may be cheaper than you think.
I think I've heard of a top bloke called TFC (10forcash) who does this sort of thing to a very very high standard
Don't forget there is a group buy running at the moment for optima batteries, perfect spec and size to fit the spare space under the bonnet
Arhh tell me more!!
2 of us looking for second battery systems!
both V8 HSE G4 D3s
thanks!
Simon
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| Mon May 19 2008 9:25pm |
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gilmore
Member Since: 16 Jan 2005
Location: On the sofa
Posts: 1943
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britindus wrote:
Arhh tell me more!!
2 of us looking for second battery systems!
both V8 HSE G4 D3s
thanks!
Simon
Look at the link here http://www.disco3.co.uk/forum/topic21478.html?highlight=
cheers
rob All opinions expressed in this posting are my own and are not necessarily those of someone who knows what they are talking about.
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| Mon May 19 2008 9:53pm |
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SN
Member Since: 03 Jan 2006
Location: Wishing I was ...
Posts: 11795
 
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Thinking ahead, can a 12v feed (switched by ignition) easily be taken from behind the aux socket to drive rack lights (with a switch/relay/fuse etc)
I'm looking at the route out through the bodywork behind a rear light and up the side of the tailgate opening Steve N | 2008 TDV6 SE Auto  | Was 2006 TDV6 S Auto  | Club Tunisia | Am I Online?
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| Mon May 19 2008 9:57pm |
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Bodsy
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Member Since: 06 Nov 2006
Location: In the clubhouse.
Posts: 15638
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I thought this was the TFC prefered route? Thought both DiscoStu & BCB have this route? How To ? - Change your Brake Disks Pads Shoes Sensors August 2011 NEW V1.6a
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| Mon May 19 2008 10:00pm |
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SN
Member Since: 03 Jan 2006
Location: Wishing I was ...
Posts: 11795
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I know TFC's route is that - its where the 12V starts from - and where a switch would go (not going down the complicated BCB route having seen his red electrical tape nightmare yesterday  ) Steve N | 2008 TDV6 SE Auto | Was 2006 TDV6 S Auto | Club Tunisia | Am I Online?
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| Mon May 19 2008 10:06pm |
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SN
Member Since: 03 Jan 2006
Location: Wishing I was ...
Posts: 11795
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Bump - can anyone tell me which wire to cut into behind the 3rd row aux socket to get the switched 12v ?  Steve N | 2008 TDV6 SE Auto | Was 2006 TDV6 S Auto | Club Tunisia | Am I Online?
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| Sat May 24 2008 9:59pm |
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DiscoStu
Member Since: 09 Apr 2006
Location: Missing Boughrood :(
Posts: 10056
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Mine's taken from the driving lamps, along the length of the car iDiot Bater
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| Sat May 24 2008 10:02pm |
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SN
Member Since: 03 Jan 2006
Location: Wishing I was ...
Posts: 11795
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This is what I'm thinking...
Just a single line switched to earth along length.
What I don;t know is what size Fuse 1 & Fuse 2 I should use and which wire to tap the 12V from
Hopefully someone knowledgeable will be along to say "that'll work" or "that's a fire hazard" and the little bit of info on fuses and wire Steve N | 2008 TDV6 SE Auto | Was 2006 TDV6 S Auto | Club Tunisia | Am I Online?
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| Sat May 24 2008 10:21pm |
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drivesafe
Member Since: 23 Feb 2006
Location: Gold Coast, Australia
Posts: 521
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Hi SN, I’m not sure how thick the wire is in the D3’s plug you are talking about but you will need at least 8B&S ( 7.9mm2 ) cable otherwise your lights will run dull yellow because the voltage drop thinner wire will induce on the cable run.
You only need one fuse, a 25 amp fuse will be fine for 4 x 55w globes which will draw about 16 amps total ( and depending on the thickness of your cable ).
You run your power feed to the 25 amp fuse then to pin 30 on an automotive type relay.
You then run a link, using thin wire, from pin 30 to pin 85.
You then run the power output from pin 87 to your lights.
you run a thin wire from pin 86 to your switch and then to earth.
The link below will give you an idea of the pin configurations for commonly available automotive type relays.
Hope this helps.
RELAY INFO 2008 TDV8 RR Lux + 2009 D4 2.7
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| Sat May 24 2008 11:05pm |
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wiggs
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Member Since: 03 Sep 2006
Location: Sunny Norway this week
Posts: 9077
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SN wrote:Bump - can anyone tell me which wire to cut into behind the 3rd row aux socket to get the switched 12v ?
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| Sun May 25 2008 1:02am |
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