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lam1591



Member Since: 07 Aug 2011
Location: Wiltshire
Posts: 15

United Kingdom 2012 Defender 110 Puma 2.2 USW Tonga Green
Additional plug on ECU under seat??
Hi all!

Ive had my 110 for two months now and I decided to check the plug on the ECU to check for any oil ingress from the injector loom. While I was having a look around I noticed a plug tucked away under the main fuse box (pics attached), im not sure if my vehicle has been remapped or not but it does go well! I was just wondering if anyone had come across this before or had any idea what its for?

Thanks for your help.

Smile
http://s85.photobucket.com/albums/k42/jukeboxmk1/
Post #83359 7th Aug 2011 8:54pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5703

2006 Defender 110 Td5 USW Zermatt Silver
Looks like some one has been playing.

Not got that on mine, and can also a few other connectors and scotch locks, on other bits of the loom.

Don't know what for though, sorry

Andy
Post #83361 7th Aug 2011 8:59pm
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Paul_1978



Member Since: 08 Nov 2009
Location: South Yorkshire
Posts: 384

England 2004 Defender 90 Td5 CSW Zermatt Silver
Not on mine either, looks like a few mods have been done in there.
I can see lots of scotch locks in the picture too.
Post #83364 7th Aug 2011 9:25pm
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Tazz



Member Since: 24 Mar 2011
Location: Harrow
Posts: 90

United Kingdom 
The obvious question is what is the plug/cable connected to? Or is the second picture the other end of the loom, as that seems to have been taken in the engine bay not from under the seat? If that is the case, and you both ends of the cable, perhaps the previous owners have replaced the ECU loom, and left the old one in situ?


Tazz
Post #83391 8th Aug 2011 8:14am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17383

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
That sort of D-type connector is not normally used on motor vehicles; there is no way that landrover put it there.
Post #83400 8th Aug 2011 9:45am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2638

South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
it could be that the previous owner had a plug-in tuning box? --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
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Post #83412 8th Aug 2011 11:16am
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lam1591



Member Since: 07 Aug 2011
Location: Wiltshire
Posts: 15

United Kingdom 2012 Defender 110 Puma 2.2 USW Tonga Green
Hi Tazz

One end has the plug from the pictures and the other connects via scotch locks into the ECU harness (ill check and see what plug or plugs it connects to). Both pics are taken from inside the seat box driver’s side, it’s definitely not OEM and it also looks like a data plug.

Thanks.
Post #83413 8th Aug 2011 11:17am
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lam1591



Member Since: 07 Aug 2011
Location: Wiltshire
Posts: 15

United Kingdom 2012 Defender 110 Puma 2.2 USW Tonga Green
Hi Naks,

it may be something to do with tuning, the truck goes well and pulls like a train so maybe.
Post #83417 8th Aug 2011 11:36am
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Lorryman100



Member Since: 01 Oct 2010
Location: Here
Posts: 2686

That is a DB-15 connection used now mostly for electronic projects but used to be the standard VGA plug on early computers. Looking at where the plug is located and where it has been spliced into I would surmise that a previous owner has built an engine diagnostic/remap computer either mounted permanently in the vehicle with a separate monitor or plugs it in as the need arises to diagnose/monitor engine faults etc. Something similar to this system,

http://www.diyautotune.com/diypnp/index.html

Then again it could be the plug in point for an ejector seat/rocket launcher etc. etc.
Post #83419 8th Aug 2011 11:42am
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lam1591



Member Since: 07 Aug 2011
Location: Wiltshire
Posts: 15

United Kingdom 2012 Defender 110 Puma 2.2 USW Tonga Green
Hi Lorryman100,

Its looking like the previous owner has added the plug and as the vehicle goes very well maybe it’s been remapped. Is there any way to tell if the vehicle has been remapped, will I need test book?

Thanks.

Rolling Eyes
Post #83428 8th Aug 2011 1:26pm
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lam1591



Member Since: 07 Aug 2011
Location: Wiltshire
Posts: 15

United Kingdom 2012 Defender 110 Puma 2.2 USW Tonga Green
Hi all

Thanks for your help and input, I will remove the plug and scotch locks at some stage soon it's no use to me.


Thanks Very Happy
Post #83547 9th Aug 2011 9:11am
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Lorryman100



Member Since: 01 Oct 2010
Location: Here
Posts: 2686

lam1591 wrote:
Hi Lorryman100,

Its looking like the previous owner has added the plug and as the vehicle goes very well maybe it’s been remapped. Is there any way to tell if the vehicle has been remapped, will I need test book?

Thanks.

Rolling Eyes


The only way you will tell if it is remapped is if you can read the Fuel file stored in the ECU. I do not know much about the Td5 ECU but do know that it is flashed with the new fuel file by the re-mappers normally. The Puma is different as you get a remap interface which allows you to swap between map files. Personally I would email the main defender tuners like Alive tuning and BAS with your registration number and ask if they have any record of your defender. If they do then they will also have the original fuel files on record.
As to removing the plug from under the seat? Personally I would leave it alone especially if it isn't causing any electrical issues. If the scotch blocks are removed you will need to insulate the exposed wires with tape and there will be a slight weakness in the cable due to the way a scotch block works. Also on the V5 document there will be the previous owner listed, drop him a letter and ask him what it was for, you have nothing to lose and he may even sell you whatever it was that was plugged in there. Thumbs Up
Post #83557 9th Aug 2011 10:10am
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lam1591



Member Since: 07 Aug 2011
Location: Wiltshire
Posts: 15

United Kingdom 2012 Defender 110 Puma 2.2 USW Tonga Green
Hi Lorryman100,

I have spoken to the previous owner and he was unaware of the extra plug under the drivers seat, the only thing he had changed on the vehicle was getting a GKN overdrive fitted. I will contact BAS and Alive shortly and see if there is any history.

Thanks.
Post #83560 9th Aug 2011 10:57am
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6092

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
lam1591 wrote:
I will remove the plug and scotch locks



oooh.... a professional installation then! Laughing


The first thing i'd do as well, is remove the scotchlocks, then burn them.
Post #83661 9th Aug 2011 9:15pm
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