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Aug 24th, 2023
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Joined: Jul 2011
Posts: 1,178 Likes: 17
Has a lot to Say!
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Has a lot to Say!
Joined: Jul 2011
Posts: 1,178 Likes: 17 |
Key on my 2011 4/4 would occasionally fail. Usually removing it & holding it at arms length then trying again seemed to work. This was from new. Anyway about 4 months ago used my 2nd key & touch wood it has worked every time. Not sure what powers the keys or could their sensitivity be different.
4/4 Ivory 4.1:1 axle, Mercedes A200 AMG
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Joined: Apr 2014
Posts: 6,829 Likes: 59
Talk Morgan Sage
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Talk Morgan Sage
Joined: Apr 2014
Posts: 6,829 Likes: 59 |
Hold it to your head when you use it. Clarkson trick, never needed to try it.
Best Regards
Lang may yer lum reek
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Joined: Dec 2008
Posts: 21,871 Likes: 168
Roadster Guru Member of the Inner Circle
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OP
Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 21,871 Likes: 168 |
It's not a zapper Bob, just a simple key with a transducer in the plastic part. No batteries either!
The Clarkson trick does work with zappers though. I've tried it a few times.....
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Apr 2014
Posts: 6,829 Likes: 59
Talk Morgan Sage
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Talk Morgan Sage
Joined: Apr 2014
Posts: 6,829 Likes: 59 |
It's not a zapper Bob, just a simple key with a transducer in the plastic part. No batteries either!
The Clarkson trick does work with zappers though. I've tried it a few times..... Ah! Right. Anyone know why the trick works?
Best Regards
Lang may yer lum reek
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Joined: Jul 2007
Posts: 26,759 Likes: 424
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 26,759 Likes: 424 |
They are ultra sonic & I guess the head acts as an amplifier like the head of a whale does.
JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger
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Joined: Jun 2014
Posts: 11,610 Likes: 43
Wave & smile... It's a Morgan Member of the Inner Circle
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Wave & smile... It's a Morgan Member of the Inner Circle
Joined: Jun 2014
Posts: 11,610 Likes: 43 |
They are ultra sonic & I guess the head acts as an amplifier like the head of a whale does. Big head!
2008 XXVII Platform, Bugatti Blue Roadster 4 Seater
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Joined: Nov 2015
Posts: 7,910 Likes: 242
Just barreling along Talk Morgan Guru
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Just barreling along Talk Morgan Guru
Joined: Nov 2015
Posts: 7,910 Likes: 242 |
They are ultra sonic & I guess the head acts as an amplifier like the head of a whale does. Big head! Who ? Clarkson, certainly does !
Jon M
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Joined: Apr 2014
Posts: 5,181 Likes: 2
Charter Member
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Charter Member
Joined: Apr 2014
Posts: 5,181 Likes: 2 |
It's not a zapper Bob, just a simple key with a transducer in the plastic part. No batteries either!
The Clarkson trick does work with zappers though. I've tried it a few times..... sorry Dave, don't understand is there nothing to internally power the key. Sounds like magic. Can't see any way of getting into the key. PS luckily this car came with four keys.
Last edited by Ray; 24/10/18 10:21 AM.
.+8 Now gone for a 1800 4/4. Duratec in bright yellow.
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Joined: Dec 2008
Posts: 21,871 Likes: 168
Roadster Guru Member of the Inner Circle
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OP
Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 21,871 Likes: 168 |
Google it Ray. The coil around the steering lock barrel induces a current in the chip and asks the chip to identify itself. The chip provides a code which disarms the immobiliser. The immobiliser remains off until the key is removed and after about twenty seconds it re-arms. Fancier chips also receive a new code each time they are used but I don't think this happens with the Ford system. Anyway better news. I spent the morning messing with the cowl. The original key works every time with the cowl removed and the sensor ring closer. I've re-wrapped the lock barrel, this time with leather. I've also ground away the plastic from the inside of the cowl around the lock hole to get the sensor ring as close to the key as possible. It took three fits to get an acceptable look but its back on. Since then its worked every time. Only time will tell if that's it. 
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Nov 2015
Posts: 7,910 Likes: 242
Just barreling along Talk Morgan Guru
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Just barreling along Talk Morgan Guru
Joined: Nov 2015
Posts: 7,910 Likes: 242 |
Dave, you mention Ford as the OEM for the immobiliser, (& I assume ignition lock), does that mean with the Land Rover indicator stalks we still have a mix of suppliers ?
Jon M
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