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brendathedefender



Member Since: 21 Feb 2021
Location: Leamington Spa
Posts: 4
United Kingdom 2002 Defender 90 2.5 TD CSW Java Black
GKN Overdrive stolen gear knob advice!
I dropped my TD5 into a shop in London for some repairs and it came back with a different gear knob...

I have a GKN Overdrive fitted and so now there is no switch, it was replaced with a standard gear knob.

The shop are of course claiming they don't know anything and can't help... grrrr

Seems you can't get hold of the GKN gear knobs anymore, only managed to find the switch on Devon 4x4 (https://www.devon4x4.com/overdrive-gear-knob-switch.html).

So 2 questions:
1. Do you think it would work to just mount the switch somewhere else as a temporary fix?
2. Any ideas on why they would steal the old GKN gear knob???

Thanks! 2002 Defender 90 Td5
Post #1001162 21st Jul 2023 8:06pm
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rustandoil



Member Since: 08 Sep 2012
Location: Cotswolds
Posts: 738
England 2005 Defender 110 Td5 XS DCPU Bonatti Grey
The overdrive will work wherever you mount the switch.... Don't know how the LED is wired in.
As for stealing the knob, I wouldn't let that go! Thieving scum Evil or Very Mad
Post #1001165 21st Jul 2023 8:28pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
What...! Shocked Who else would have taken it whilst your vehicle was in their care?! Evil or Very Mad


Options include a dash mount switch as stated above, or something like these might work:

https://www.rhdjapan.com/night-pager-missi...e-m12.html

https://www.moderndriveline.com/shop/shift...ck-3-8-16/

https://www.ebay.co.uk/itm/354792824698?va...hQEALw_wcB

The final option is to talk to someone like Optimill who might be able/willing to make a replacement billet knob with switch.

Last edited by geobloke on 22nd Jul 2023 10:53am. Edited 1 time in total
Post #1001234 22nd Jul 2023 10:44am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Page 15 of the manual has the wiring diagram http://bee.mif.pg.gda.pl/ciasteczkowypotwo...rdrive.pdf
Post #1001237 22nd Jul 2023 10:50am
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west4x4



Member Since: 23 Jan 2010
Location: Rutland
Posts: 140
United Kingdom 
Re: GKN Overdrive stolen gear knob advice!
brendathedefender wrote:
I dropped my TD5 into a shop in London for some repairs and it came back with a different gear knob...

I have a GKN Overdrive fitted and so now there is no switch, it was replaced with a standard gear knob.

The shop are of course claiming they don't know anything and can't help... grrrr

Seems you can't get hold of the GKN gear knobs anymore, only managed to find the switch on Devon 4x4 (https://www.devon4x4.com/overdrive-gear-knob-switch.html).

So 2 questions:
1. Do you think it would work to just mount the switch somewhere else as a temporary fix?
2. Any ideas on why they would steal the old GKN gear knob???

Thanks!


Have you checked it’s just the knob that’s gone?
Post #1001261 22nd Jul 2023 12:57pm
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brendathedefender



Member Since: 21 Feb 2021
Location: Leamington Spa
Posts: 4
United Kingdom 2002 Defender 90 2.5 TD CSW Java Black
Thumbs Up Thanks everyone, very helpful!

Quote:
The final option is to talk to someone like Optimill who might be able/willing to make a replacement billet knob with switch.

Ah great idea! Will try messaging them, but might try a temporary fix in the meantime.


Quote:
Have you checked it’s just the knob that’s gone?

Yes was half expecting the overdrive to be gone but the just swapped out the gear knob and diff lock knob too... very puzzling Confused 2002 Defender 90 Td5
Post #1001274 22nd Jul 2023 1:57pm
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130dreamer



Member Since: 29 Feb 2008
Location: Romford
Posts: 100
I may have a GKN overdrive gear knob in my pile of 'spares'. My overdrive gave up many years ago but I think I still have the parts.

Will do my best to look this weekend.
Post #1001640 25th Jul 2023 8:00am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Love this forum Thumbs Up Fingers crossed....
Post #1001645 25th Jul 2023 8:21am
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Linds Hanson



Member Since: 16 Jan 2021
Location: Cornwall
Posts: 486
United Kingdom 
Other option maybe adapt a Triumph Dolomite/ 2500/Stag OD knob
Post #1001652 25th Jul 2023 8:49am
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epninety



Member Since: 04 Feb 2019
Location: Wiltshire
Posts: 19
United Kingdom 1992 Defender 90 200 Tdi SW Nato Green
If 130dreamer can't find his, drop me a PM and I will hunt through the junkpile. I scrapped the GKN years ago and sold the parts, but I've seen the gearknob recently...
Post #1001929 26th Jul 2023 9:51pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2227
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
Devon 4x4 also have a stock of broken GKN overdrive.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1001939 27th Jul 2023 3:19am
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rustandoil



Member Since: 08 Sep 2012
Location: Cotswolds
Posts: 738
England 2005 Defender 110 Td5 XS DCPU Bonatti Grey
Just thinking about the wiring.... Have they stolen the control box too?
Post #1001941 27th Jul 2023 5:05am
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