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FD7



Member Since: 16 Feb 2021
Location: Midland
Posts: 169

2006 Defender 90 V8 Petrol ST Auto Chawton White
I didn't think I needed this, but thats so darn neat and tidy, I think I have too look at it!
Post #895335 1st Apr 2021 2:08pm
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benspray



Member Since: 31 Jul 2014
Location: Norfolk
Posts: 159

United Kingdom 2006 Defender 130 Td5 HCPU Chawton White
Hi all

Can I just quickly check as I'm going to run some wire for this this week sometime Wink

Assuming I dont want an on/off switch - If I run a 3 core cable between seatbox and dash area, pin 35 onto the common on the disco 2 cruise switch and then pins 11 and 17 to the other terminals on the switch and thats all I need? do I need to do anything with pin 15 like splice it into the wire from pin 35?


Looks like the cruise switch sends +12v to pins 11 or 17 (rather than switching to ground) ?

Cheers
Ben
Post #900348 28th Apr 2021 11:42am
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Intercept



Member Since: 27 Feb 2017
Location: Suffolk
Posts: 587

United Kingdom 2002 Defender 110 Td5 Black LE Java Black
achuakh wrote:
the ECU pins are econoseal type (from my memory) and these are pretty easy to find online. you can either crimp the wires or solder them onto the pins.

These ones: https://www.ebay.co.uk/itm/141454793794
Post #901326 4th May 2021 3:16pm
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Simmo107



Member Since: 06 May 2021
Location: Birmingham
Posts: 12

1999 Defender 90 Td5 HT Java Black
Could this be done on any age defender td5? Would love to give this a go haha!
Post #901762 6th May 2021 7:40pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2069

2004 Defender 110 Td5 DCPU Epsom Green
Yup. Works on any year TD5 defender.

If youve altered the gearing at all you need a speedo healer or have the ECU reprogrammed to suit the new ratios. Instagram @defender_ventures
Empire Tuning - Agent
Post #901905 7th May 2021 3:33pm
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Daniele



Member Since: 10 May 2021
Location: Torino
Posts: 3

Italy 1999 Defender 110 2.5 TD SW Coniston Green
Hi All!
I installed the harness on my '99 TD5 with ECU MSB101170. The wiring works, the NANOCOM detects that the Cruise Control is present and switched on. It also ecognize when i press the 2 buttons. The problem is that the Cruise control does not work (even though the LED and the indication on the NANOCOM come on).
I encountered one thing I'd like to hear from you:
The clutch contact is not detected by the NANOCOM (the contact works, I have tested it up to the ECU connector) and the NANOCOM constantly detects the Clutch Switch OFF.
Could this be it?
What do you advise me to check?

Thanks a lot!
Post #902368 10th May 2021 1:43pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2069

2004 Defender 110 Td5 DCPU Epsom Green
Could mean the ratios are off and you may need a speedo healer.

Also only works above 50kmh Instagram @defender_ventures
Empire Tuning - Agent
Post #902378 10th May 2021 1:53pm
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Daniele



Member Since: 10 May 2021
Location: Torino
Posts: 3

Italy 1999 Defender 110 2.5 TD SW Coniston Green
Thanks for the answer!
I tried to drive fast, but nothing happen... What do you mean with "ratio are off"?
Post #902379 10th May 2021 1:59pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2069

2004 Defender 110 Td5 DCPU Epsom Green
CC will only work if the gear ratios are as they left factory. I believe even tyre size can play a part.

It does take around 5 seconds+ to actually kick in sometimes Instagram @defender_ventures
Empire Tuning - Agent
Post #902385 10th May 2021 2:20pm
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Daniele



Member Since: 10 May 2021
Location: Torino
Posts: 3

Italy 1999 Defender 110 2.5 TD SW Coniston Green
Understand. I never touch the ratio and the tyres are the standard 7.50 r16
Post #902387 10th May 2021 2:21pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
bankz5152 wrote:
CC will only work if the gear ratios are as they left factory. I believe even tyre size can play a part.

It does take around 5 seconds+ to actually kick in sometimes


Diffs, and tyres do not make any difference. The revs and the speedsensor signal have to be right.

Keep pushing the speed up with a constant throttle and you will feel it takes over. Then you can take your foot of the throttle. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #902613 11th May 2021 8:50pm
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Intercept



Member Since: 27 Feb 2017
Location: Suffolk
Posts: 587

United Kingdom 2002 Defender 110 Td5 Black LE Java Black
I've just added Cruise Control to my Td5 and found the wiring diagrams commonly available online somewhat misleading. There is no need to touch the ECU pin used for the clutch switch indication as implied by other diagrams, so I've modified the one I found most useful to show what actually worked for me:


Click image to enlarge


None of my other vehicles have a cruise control master switch so I omitted that from the Defender installation. Cruise disengages if you touch the brake or clutch pedal or activate the Resume switch.

One question though - the Nanocom documentation mentions this:

"Cruise Lamp: The TD5 ECU has been designed to work with a wide range of possible fitments and options. Many of the input sensors and output controls can be omitted giving many vehicle option, model or market variants. This value indicates if this TD5 ECU has been programmed to drive a cruise control warning lamp in the instrument cluster or not, This should not be confused with the cruise control master on off switch lamp which merely indicates power being applied to the cruise control system."

As I've got a few spare wires in the multicore used to connect the Set/Res switch (from a Discovery 2 as pictured earlier in this thread) I was wondering if it was possible to fit a "cruise active" LED. However, I don't see any dedicated ECU pin for that purpose so is the extract above referring to a code that the Nanocom can read via the ODB port?

Regardless, for a total spend of ~£30 I'm pretty happy with this upgrade. It was even possible to install the wiring from the steering column housing to the ECU without removing the dashboard, so that was a bonus Very Happy
Post #906812 7th Jun 2021 4:19pm
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2231

Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Can something similar be achieved on TDCi? > 110 XS Double Cab
> Instagram @simonlanemind
Post #906814 7th Jun 2021 4:46pm
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Intercept



Member Since: 27 Feb 2017
Location: Suffolk
Posts: 587

United Kingdom 2002 Defender 110 Td5 Black LE Java Black
@hank - see https://www.defender2.net/forum/topic43319.html i.e. Yes, but for about 10x the price
Post #906827 7th Jun 2021 5:53pm
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2231

Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Thanks intercept. I’ve seen the aftermarket kits but wondered if there’s functionality in the factory ECU like on td5’s that could be exploited with relative ease > 110 XS Double Cab
> Instagram @simonlanemind
Post #906829 7th Jun 2021 6:21pm
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