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Screbble

Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2064

2004 Defender 90 Td5 XS CSW Zambezi Silver

Good luck.

Someone must have made that electrical modification for a purpose - so you need to get hold of a wiring diagram to establish ‘what’ they have been trying to by-pass - which may in turn establish ‘why.’

Ultimately you want to go back to standard, and if that means replacing wiring, relays/bases and other components then that’s what I’d do.

If you haven’t got one already, get yourself a multimeter and a continuity tester (you can make the latter).

Hope you sort it

21st Nov 2023 7:55am

Waka56

Member Since: 08 Nov 2023
Location: Hamburg
Posts: 126

I do have a multimeter, now I need to find the original wire/fuse plan. Making my Defender great again. (Or trying to at least xD)

21st Nov 2023 9:16am

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6510

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

https://www.lrworkshop.com/wiring-diagram/....4tdci-lhd

1988 90 Td5 NAS soft top

2015 D90 XS SW

21st Nov 2023 10:07am

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6510

https://www.defender2.net/gallery/albums/u...063_On.pdf

1988 90 Td5 NAS soft top

2015 D90 XS SW

21st Nov 2023 10:14am

Waka56

Member Since: 08 Nov 2023
Location: Hamburg
Posts: 126

Whaou, thanks a lot 👍👍 Making my Defender great again. (Or trying to at least xD)

21st Nov 2023 11:08am

Merlin

Member Since: 30 Oct 2010
Location: Newmarket
Posts: 980

Could it have something to do with the recall to modify the AS10 power feed to stop theft? It originally shared the feed with the hazard flashers and shorting them meant that the AS10 didn't sound hence allowing breaking in in silence.

21st Nov 2023 12:05pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6510

It's not on those circuits, and certainly not the way the wiring is done for that modification.

1988 90 Td5 NAS soft top

2015 D90 XS SW

21st Nov 2023 1:31pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 16960

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

My suspicion is that it is a bodge to allow the window lifters to operate with the key in position 1, so it is no longer necessary to switch the ignition on to operate the windows. It is very crude but quite imaginative if so.

I would suggest removing the wire and seeing if normal operation is restored, and I certainly would not leave the modification in place, there are several obvious hazards associated with it.

Since the vehicle is LHD the relays are in slightly different positions to those on an RHD. The non-standard Bosch relay is the headlamp relay, and as Martin has observed there is evidence of overheating on the socket. The non-standard metal-canned relay is the heated rear window relay. The one with the extra wire is the window lifter relay, and the one to its right is the alarm sounder relay. The tall one in the row above is the windscreen wiper ECU, and to its right is the flasher unit (which LR confusingly describes as the Hazard Warning relay).

Since relays are generally very reliable (I have not yet had to replace any on my 2007, 275k mile Defender) it is hard to understand why there is so much carnage in this area. Perhaps someone attempted to steal the vehicle and in so doing caused damage.

21st Nov 2023 2:41pm

Waka56

Member Since: 08 Nov 2023
Location: Hamburg
Posts: 126

Yeah I don't know either what happened. I'll try to put it all back to factory and see if something does not work anymore. That'll maybe help us see why it has been done. Making my Defender great again. (Or trying to at least xD)

21st Nov 2023 9:28pm

Waka56

Member Since: 08 Nov 2023
Location: Hamburg
Posts: 126

I spent 3 hours today changing the injectors seals and rock cover gasket. I did it because there was a lot of oil on top of the rock cover and some air pressure when opening the oil cap. Works out that the injectors were quite clean (not much carbon/dried diesel). I will see in the future if the leaking is gonna come back, which is likely since there is still some air pressure unfortunately. Nothing dramatic, and no smoke or oil spitting out, wondering how much is acceptable.. Disappointing day, now my head is going in all direction with the worse case scenario being a blown piston ring or even a cracked piston

Making my Defender great again. (Or trying to at least xD)

4th Dec 2023 10:06pm

Waka56

Member Since: 08 Nov 2023
Location: Hamburg
Posts: 126

So, blowby is still really present when engine really warm unfortunately. I made a video of a sound that is also related to this same problem I am guessing. That noise came mainly once the engine is out, and from 2000rpm. As soon as the accelerator is released the noise is instantly gone. It made me think of injectors the first day I bought the car, hence why I did all seals new.. If anyone was there before me, I would not mind some guidance.. I will get the injectors checked as soon as I find a garage where I can store the car.

https://youtu.be/RJq_kzsN3jk?si=qFg01F5qAUlmK8Km at the end of the video, the accelerator is released Making my Defender great again. (Or trying to at least xD)

17th Dec 2023 5:02pm

roamfree

Member Since: 19 Jan 2022
Location: Northern Germany
Posts: 16

2009 Defender 110 Puma 2.4 SW Santorini Black

Very nice Defender you got yourself there! And a whole truck load full of work I guess - and I thought mine was bad

Welcome to the mechanic family I guess!

28th Mar 2024 6:00pm

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