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Mini Landie



Member Since: 23 Sep 2015
Location: Basingstoke Massiff
Posts: 159

United Kingdom 2003 Defender 90 Td5 HT Belize Green
Disable fuel pump
Hi all,

My 90 has a broken fuel pipe connection from the fuel filter. It's going on the bed of a recovery truck tomorrow. I want to disable the fuel pump so if we need to steer the vehicle, the fuel pump won't turn on and spew fuel. Can I just pull the fuse from under the driver's seat to disable it?

Assuming it's fuse 4 in the 'Fuse box under seat (1999-2006)' here https://fusesdiagram.com/land-rover/fuse-b...ender.html 2003 90 TD5 Hardtop
Post #1010535 8th Oct 2023 5:04pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Pull the relay under the seat or unplug the power connector at the bulkhead that goes down to the chassis loom.
Post #1010544 8th Oct 2023 6:13pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3414

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
Or disconnect the battery. You are not starting it, just turning key due to steering lock. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1010546 8th Oct 2023 6:16pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5683

2006 Defender 110 Td5 USW Zermatt Silver
Just put key in barrel. It doesn’t need to be rotated
Post #1010555 8th Oct 2023 6:49pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3414

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
On my Puma (2.2), just putting the key in does not release the steering lock. The ignition switch has 4 positions.

0. Off
I. Switches radio and cigarette lighter (perhaps others, but for sure not the electric windows Sad ). Perhaps this is enough to release the steering lock.
II. Switch on ignition, including in tank fuel pump. For sure the steering lock is released.
III. Crank engine.

Edit. When going from position II, to I and 0, aka switching off the engine, if you leave the key in, the steering lock will not be engaged. Only when you pull the key out, can see the ignition barrel going out to engage the lock.

So, putting the key in, and perhaps pushing the barrel in can release the steering lock. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1010583 9th Oct 2023 4:10am
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6604

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red
Fuse 4 (20A) under the seat is fuel pump relay supply, yes.

Or unplug the inertia switch to prevent the ECU powering up.  1988 90 Td5 NAS soft top
2015 D90 XS SW
Post #1010711 10th Oct 2023 6:11am
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Mini Landie



Member Since: 23 Sep 2015
Location: Basingstoke Massiff
Posts: 159

United Kingdom 2003 Defender 90 Td5 HT Belize Green
Thanks for all the ideas, gentlemen and/or ladies.

I ended up biting the bullet and leaving it as-is. Recovery driver turned the key to pos. 2 to release the steering lock, and a tiny bit squirted out.

Which reminds me... I need to make a post about cleaning up! 2003 90 TD5 Hardtop
Post #1010725 10th Oct 2023 9:46am
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