Before I do something stupid... 300tdi immobalizer/alarm - Defender Source
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  #1  
Old July 3rd, 2015, 12:35 PM
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William Ficner
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Before I do something stupid... 300tdi immobalizer/alarm

So in the process of stripping down the 97 300tdi csw ROW, I've come across this tamper proof black box inside the left hand seatbox.
The vehicle did have a security system in it, it had the bonnet sensor, the alarm in the front left wing etc. I never got the fob when purchasing the truck so I have no idea of the functionality of it.

I was assuming this black box was what is referred to as the spider, but I expected there to be a multi connector to unplug it, but the wires just feed in. Unless the connector is inside the tamper proof box.

Ultimately I need to get the wires out of the box so I can feed the through the side of the seatbox to be able to remove the seatbox.

So before I go tampering with this thing I'm hoping to get some feedback about what it actually is and how to proceed.
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  #2  
Old July 3rd, 2015, 12:40 PM
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Oh I also have this that sits in the dash which is part of the alarm as well I believe.
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Old July 4th, 2015, 09:50 AM
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William Ficner
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So after a bunch of digging in the Euro forums it looks like it is indeed the spider I'm dealing with.

I'm thinking it would be nice to strip this whole alarm system out and replace it with a new engine harness, minus all the alarm junk, ecu etc

Who makes a good 300tdi harness?
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  #4  
Old July 4th, 2015, 09:52 AM
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Quote:
Originally Posted by Wilboro View Post
So after a bunch of digging in the Euro forums it looks like it is indeed the spider I'm dealing with.

I'm thinking it would be nice to strip this whole alarm system out and replace it with a new engine harness, minus all the alarm junk, ecu etc

Who makes a good 300tdi harness?
Bobeck and I soldered in a bypass wire in 30 mins. Striping the system requires your get a different main wiring harness.
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Old July 4th, 2015, 09:57 AM
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Hmm ok that's a bit more involved. Maybe I should just do the bypass.

Out of curiosity is there someone making the main harness for a 300?
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Old July 4th, 2015, 10:01 AM
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Hmm ok that's a bit more involved. Maybe I should just do the bypass.

Out of curiosity is there someone making the main harness for a 300?
After doing the bypass I never had further issue and I assure you the truck was used harder than you are likely to. For example driven in water over the bonnet so the alarm unit was fully submerged for extended periods.
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  #7  
Old July 4th, 2015, 10:12 AM
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Originally Posted by Uncle Douglas View Post
After doing the bypass I never had further issue and I assure you the truck was used harder than you are likely to. For example driven in water over the bonnet so the alarm unit was fully submerged for extended periods.

Good to know, guess I'll stop worrying about it and get back to pulling the engine!
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  #8  
Old July 5th, 2015, 09:45 AM
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I imported my 1996 from Germany and I don't have that black boxe under the left seat. You can get a remote and program it it's real easy. And since we are both from Ottawa I could even show you in person.
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  #9  
Old July 5th, 2015, 11:40 AM
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Yup, like Uncle Dougie says, easy peasy. One of my more successful soldering jobs. There is an LR4x4.com thread on how to do it.

Hmmm...

The Definitive Alarm Spider Post - Land Rover Technical Archive - LR4x4 - The Land Rover Forum
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  #10  
Old July 5th, 2015, 11:42 AM
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I've pulled apart the box and its out of the seat box now. Once everything is in the new chassis I will have to decide if I want to get the fob and bring it back to life or just do the bypass.
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  #11  
Old July 5th, 2015, 11:55 AM
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If you want a 300tdi harness eBay UK is full of them.
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  #12  
Old July 6th, 2015, 09:47 AM
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William Ficner
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Quote:
Originally Posted by barjout View Post
I imported my 1996 from Germany and I don't have that black boxe under the left seat. You can get a remote and program it it's real easy. And since we are both from Ottawa I could even show you in person.

Thanks for the offer! I may take you up on that when I get to that stage.
Will you be at the All British Car Day in two weeks?

Cheers,
Will
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  #13  
Old July 6th, 2015, 05:15 PM
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Engine harness

As above lots of harnesses on Ebay or you can contact any of the main breakers they should stock them.
If you want a new one try here :Main, Engine & Chassis Harnesses, Autosparks, World leading supplier of classic car wiring looms

regards all
Gren
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  #14  
Old July 6th, 2015, 08:06 PM
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Marc Bourget
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Quote:
Originally Posted by Wilboro View Post
Thanks for the offer! I may take you up on that when I get to that stage.
Will you be at the All British Car Day in two weeks?

Cheers,
Will
I wasn't even aware of that car day. But if the weather is nice I might go with the mini.
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  #15  
Old September 24th, 2015, 11:12 AM
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Guylain
1997/110 300TDi
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FOB setup

Hi Marc

I have a '97 110 that also came from Germany with only one fob. I was looking to disable the spider with a bypass plug but there is no spider in this unit - it has the DDS at the fuel injection pump.

How did you go about getting a new fob setup for yours?

Merci!
Guylain
Quote:
Originally Posted by barjout View Post
I imported my 1996 from Germany and I don't have that black boxe under the left seat. You can get a remote and program it it's real easy. And since we are both from Ottawa I could even show you in person.
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