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Harry.O

Member Since: 25 Jul 2014
Location: Warwickshire
Posts: 712

Defender Security - Immobilise via inertia switch

I was pondering how to make the 110 a bit harder to steal and the inertia switch under the bonnet came to mind.

If I was to intersect one of the wires e.g. power or earth and run it back to the cab, could a simple on-off switch hidden from view inside prevent the vehicle from being started with the switch in the off position or is it a bit more technical than that?

It's a late TD5 if that makes a difference.

Thanks, Harry 2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top
1992 200Tdi 90 Truck cab with Land Cruiser axles

2nd Mar 2018 8:10am

meeerrrk

Member Since: 12 Feb 2017
Location: Surrey
Posts: 548

2010 Defender 90 Puma 2.4 HT Stornoway Grey

yes, there is a thread on it, let me find it for you My 90 Project : http://www.defender2.net/forum/topic52774.html

2nd Mar 2018 8:54am

meeerrrk

Member Since: 12 Feb 2017
Location: Surrey
Posts: 548

http://www.defender2.net/forum/topic58741.html My 90 Project : http://www.defender2.net/forum/topic52774.html

2nd Mar 2018 8:56am

Harry.O

Member Since: 25 Jul 2014
Location: Warwickshire
Posts: 712

Thanks Meeerrrk, I didn't have much luck with a search, then realised after posting that I'd spelt inertia wrong

2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top
1992 200Tdi 90 Truck cab with Land Cruiser axles

2nd Mar 2018 9:36am

Screbble

Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081

2004 Defender 90 Td5 XS CSW Zambezi Silver

I've sent you a PM Harry

2nd Mar 2018 7:45pm

Harry.O

Member Since: 25 Jul 2014
Location: Warwickshire
Posts: 712

Thank you very much Screbble

2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top
1992 200Tdi 90 Truck cab with Land Cruiser axles

5th Mar 2018 6:34pm

Screbble

Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081

You're welcome Harry

5th Mar 2018 6:48pm

nicks

Member Since: 21 Aug 2008
Location: south coast
Posts: 469

2013 Defender 110 Puma 2.2 XS CSW Alaska White

just ordered one of these -

https://www.landroverdefendersecurity.com/...f-2-2-tdci

6th Mar 2018 10:39am

nitram17

Member Since: 08 Jun 2014
Location: newcastle
Posts: 2261

They got the idea of someone of here.. think it would cost around10--15 quid to source the components yourself as a one off so I font mind the profit margin...what I do think they could improve it. By increasing the length of the y connector to make it easier to hide.....as if spotted its a case of swapsy and there off... It will stop the dumb theif

6th Mar 2018 4:36pm

myonehere

Member Since: 03 Mar 2009
Location: Worcester uk
Posts: 153

2007 Defender 90 Puma 2.4 HT Cairns Blue

"...what I do think they could improve it. By increasing the length of the y connector to make it easier to hide.....as if spotted its a case of swapsy and there off... It will stop the dumb thief"

Although, getting the plug off [and back on] the inertia switch was/is a bu**er of a job and, on mine, required unscrewing the switch itself. Only a thief with tiny, strong, triple joined hands could manage to swap back, I feel... but then again, they can be clever bu**ers

6th Mar 2018 5:16pm

nitram17

Member Since: 08 Jun 2014
Location: newcastle
Posts: 2261

I dont know if the switch is open or closed when not engaged so someone who knows may comment on what happens if you simply pull out the wires from the inertia switch and join the ends thus making a circuit?Its always best to hide your security devices the best you can..prererably in plain sight!

7th Mar 2018 2:11am

macfrank

Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 1068

2015 Defender 110 Puma 2.2 SW Keswick Green

Has anyone using this method noticed it may take longer before the engine can be started? Someone over here said so and he was annoyed by it.

17th Mar 2018 9:35pm

ssg

Member Since: 01 Mar 2018
Location: North East
Posts: 65

I have just fitted one of these switches, easy job, getting the switch end of the wiring into the passenger compartment was a bit of a pain. The switch doesn't affect starting unless it's off which does take a while to restart once reactivated. I am going to relocate the valve in the engine bay as an extra precaution.

21st Mar 2018 7:08pm

macfrank

Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 1068

Thank you! How long approx. is "a while"?

21st Mar 2018 8:59pm

ssg

Member Since: 01 Mar 2018
Location: North East
Posts: 65

Unused some red solid copper coded wire taped to the actual wiring loom and pushed it downward through the bulk head grommet until I could see it through the fuse box appeture, then pulled the cable through. Complete job took about 30 mins in total, just an bit Ridley making the y connection and then finding the red wire to pull through.

21st Mar 2018 9:10pm

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