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Woody3

Member Since: 13 Jan 2010
Location: Derbyshire
Posts: 415

1989 Defender 90 200 Tdi HT Bronze Green

Transfer Box swap - Hi/Low Sensor Switch

We are just swapping my mates 1.41 transfer box over in his Td5 Defender for a 1.222 Disco box (from a 300). However, we've hit a snag. There is no hi/lo sensor switch on the 1.222 box. What do we do?

Do we need to swap the casing over where the switch is located? Do we need the switch?

Any help would be much appreciated.

Thanks

17th Oct 2011 9:58am

ben_j85jty

Member Since: 02 Sep 2008
Location: Bicester, Oxfordshire
Posts: 491

2002 Defender 110 Td5 XS DCPU Bonatti Grey

Yes - and No!

The front of the casing needs to be swapped, not a massive job and fairly easy to do.

As for needing it? It changes the throttle map to suit off road driving conditions, but is not essential. Tou could always wire a manual switch in aat a later date. 2002 Defender 110 DC

17th Oct 2011 11:10am

diesel_jim

Member Since: 13 Oct 2008
Location: hiding
Posts: 6095

I fitted an ex 300 disco t/box to my 110, never bothered with the switch; I don't (personally, you may disagree) like the "low range" throttle response.... 90% of it does hardly anything then the last 10% revs up to max throttle.

I think it's designed for people who havn't mastered the knack of holding their ankle still whilst going over rough ground and then kangarooing.

18th Oct 2011 12:24pm

T1G UP

Member Since: 08 Dec 2009
Location: Bath
Posts: 3101

2011 Defender 110 Puma 2.4 XS CSW Orkney Grey

diesel_jim wrote:
I fitted an ex 300 disco t/box to my 110, never bothered with the switch; I don't (personally, you may disagree) like the "low range" throttle response.... 90% of it does hardly anything then the last 10% revs up to max throttle.

I think it's designed for people who havn't mastered the knack of holding their ankle still whilst going over rough ground and then kangarooing.

did you link the wires jamie or leave them dangling

18th Oct 2011 6:09pm

marsie

Member Since: 17 Nov 2011
Location: sheffieldish
Posts: 532

2010 Defender 110 Puma 2.4 XS CSW Galway Green

Had the same problem when i fitted a 300 disco transfer to a mates td5. Planning on swapping mine after getting it remapped tomorow

but will probably go for a disco td5 transfer and hopefully should be a more straightforward fit(providing i get one with difflock

)
Paul

20th Dec 2011 11:29pm

bell-auto-services

Member Since: 08 Jul 2007
Location: North Yorkshire
Posts: 2232

2013 Defender 110 Puma 2.2 USW Orkney Grey

Hi

You can do as mentioned leave them for later and fit a switch and it wont make any real difference to how it drives though im sure you can still have the switch fitted but may be in a slightly different location on the Tcase or a different switch is used I forget now.. I asume you are fitting a Disco box that still has diff lock ?

The low range map and switch is only used when in low range and in standard from does not make that much difference, Though I do use them on many cars for when I add a special map to it at remap time that gives even more torque for off road use.

Pete

20th Dec 2011 11:46pm

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