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Craig772



Member Since: 23 May 2022
Location: Cannock, Staffordshire
Posts: 73

United Kingdom 2000 Defender 90 Td5 CSW Oslo Blue
TD5 after market immobiliser.
Hi all, I am going to install a bluetooth enabled immobiliser to my 2005 TD5. Once my phone is out of range it will cut out. I am thinking to interupt the fuel pump power supply. Is there a better option and where would be a good place to get into the wiring?

Thanks.
Craig.
Post #1021076 14th Jan 2024 12:02am
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 796

France 2002 Defender 110 Td5 DCPU Chawton White
You could tap into the inertia switch on the BHD, you can buy a harness for that cheap enough so you don't have to cut anything. Also the earth on the starter relay is a separate wire so you can tap into that if you wanted to inhibit the starter
Post #1021084 14th Jan 2024 6:21am
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 899

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
TexasRover… I have that loom and its a simple install, hidden switch is perfect and easy. Thumbs Up

I agree that this is the easiest option to tap into for the bluetooth immob thing. 👌🏻 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #1021189 14th Jan 2024 7:13pm
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Craig772



Member Since: 23 May 2022
Location: Cannock, Staffordshire
Posts: 73

United Kingdom 2000 Defender 90 Td5 CSW Oslo Blue
Thanks @texasrover and @4RFRDS. Based on your advice I've done some more reserach in that area and agree. It looks like the inertia switch is the way to go. Thanks Thumbs Up
Post #1021496 17th Jan 2024 10:54am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16885

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I believe that the TD5 will (generally) continue to run without the fuel pump running, but at reduced power and I don't think it will start. The inertia switch may therefore achieve what you want, but possibly isn't 100% guaranteed.

If you're carjacked you may be able to follow them on foot, but for obvious reasons don't follow too closely (out of bluetooth range)!
Post #1021498 17th Jan 2024 10:59am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4406

United Kingdom 
As always with security it is best to layer the security so that any would be light fingered opportunist thief would have to overcome a number of obstacles.

Obviously a determined group would only have to lift the vehicle onto a low loader and off they go. The chances are low that this will happen and slightly higher for the opportunist thief, so layer up the security is the best way to go. Thumbs Up
Post #1021502 17th Jan 2024 11:09am
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6037

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
I used the inertia switch method on my old 110. I had an aftermarket keyring fob type thing, that had a coil which was fitted around the ingnition barrel. so when you put your keys in the fob would activate the coil.
Small black box hidden behind the dash, it just closed a relay contact when it was "unsecured" so I got the econoseal (or are they superseal? one of them anyway) connectors and plugged it inline with the inertia switch.
All taped up it looked just like factory, and partially hidden behing the coolant expansion bottle under the bonnet you'd not even notice it was there.

I made mine with a male & female plug on, so it could easily be removed from the loom (which was handy as the immobilser started playing up after a while, so I could just remove it totally)
Post #1021504 17th Jan 2024 11:11am
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Craig772



Member Since: 23 May 2022
Location: Cannock, Staffordshire
Posts: 73

United Kingdom 2000 Defender 90 Td5 CSW Oslo Blue
If anyone is interested, the bluetooth module is new on the market - I saw it at a LR show, Stoneleigh. It was developed in response to delivery scooter riders in London being pushed off their scooter and the thief then riding off with the bike. As soon as the bike is out of bluetooth range it starts to cycle through turning off whatever it's wired to interupt before permanently interupting it.
Post #1021963 20th Jan 2024 11:42pm
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Retroanaconda



Member Since: 04 Jan 2012
Location: Scotland
Posts: 2552

Scotland 
Good idea. You’ll need an override for when it’s getting and MOT and stuff though.
Post #1021976 21st Jan 2024 9:17am
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Craig772



Member Since: 23 May 2022
Location: Cannock, Staffordshire
Posts: 73

United Kingdom 2000 Defender 90 Td5 CSW Oslo Blue
@Retroanaconda Thumbs Up

There's two options for that.

- A full disarm until actively re-armed.
- A temporary overide.

Both require different codes to be entered via a switch. https://www.instagram.com/roxi_defender90/
Post #1023350 2nd Feb 2024 6:25pm
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