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rallysteve



Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2227
United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
I am pretty sure td5 ecu outputs a 4cylinder square wave pulse. All you need is a circuit to boost the 0-5v signal to 12v. 02' 110 TD5 Double Cab Rebuild Thread
Post #547230 8th Jul 2016 9:54pm
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Disco_Mikey



Member Since: 16 Nov 2014
Location: Dundee
Posts: 531
Scotland 2009 Defender 110 Puma 2.4 DCPU Keswick Green
pj2106 wrote:
Maybe we should try Dan at duckworths for a group buy if enough people wanted one?


+1 Thumbs Up

Or a set of Heritage dials Cool
Post #547264 9th Jul 2016 7:58am
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Telshe



Member Since: 02 Jul 2015
Location: West Oxford.
Posts: 49
England 2004 Defender 90 Td5 XS CSW Cairns Blue
Include me as well. Very Happy
Telshe
Post #550000 20th Jul 2016 2:36pm
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Peter Td4



Member Since: 23 Oct 2010
Location: Antwerp, Belgium
Posts: 227
Belgium 2008 Defender 110 Puma 2.4 HCPU Santorini Black
rallysteve wrote:
I am pretty sure td5 ecu outputs a 4cylinder square wave pulse. All you need is a circuit to boost the 0-5v signal to 12v.

It's not really a 0-5V signal, the ECU output has a particular characteristic that you need to match.

But a 4-cylinder rev counter works perfect.
I'm using this model: Vision Black 4,000 RPM Tachometer - VDO 333-156
with some glue electronics Wink Peter,

Defender 110 StaWa - Td5
Defender 110 HCPU - Puma
Defender 90 Soft Top - Td5
Post #550098 20th Jul 2016 9:12pm
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GerardTd5



Member Since: 03 Aug 2016
Location: almost Germany
Posts: 44
Netherlands 2001 Defender 90 Td5 CSW Epsom Green
Hi Peter, I'd like to know how you've succeeded. A schedule, a manual and material list is more than welcome.

GerardTd5
Post #553333 3rd Aug 2016 8:26am
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ppad



Member Since: 16 Nov 2012
Location: now, UK S Coast
Posts: 223
United Kingdom 2005 Defender 90 Td5 HT Caledonian Blue
pj2106 wrote:
Maybe we should try Dan at duckworths for a group buy if enough people wanted one?


PLus 1 for that - now who's going to ask Question Sold the much modified 110 2.8, in Oz
Brought the 90 home from Switzerland ...
Post #553493 3rd Aug 2016 7:29pm
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Disco_Mikey



Member Since: 16 Nov 2014
Location: Dundee
Posts: 531
Scotland 2009 Defender 110 Puma 2.4 DCPU Keswick Green
Dan is away until the 9th, I believe Thumbs Up
Post #553583 4th Aug 2016 4:46am
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90roy



Member Since: 21 Jun 2016
Location: Middlesbrough
Posts: 130
United Kingdom 
Can you put a rev counter on a 300tdi? 300tdi 90 1996.
Post #553783 4th Aug 2016 9:41pm
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Anderzander



Member Since: 08 Feb 2011
Location: Lancashire
Posts: 999
United Kingdom 
I think the 300tdi alternator has a W terminal - I'd so then there is a whole raft of aftermarket rev counters that would just for straight on.
Post #553818 5th Aug 2016 6:34am
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Anderzander



Member Since: 08 Feb 2011
Location: Lancashire
Posts: 999
United Kingdom 
Sorry for the spelling - can't edit in the mobile version.
Post #553819 5th Aug 2016 6:35am
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90roy



Member Since: 21 Jun 2016
Location: Middlesbrough
Posts: 130
United Kingdom 
Thanks Anderzander. Will take a gander. 300tdi 90 1996.
Post #554089 6th Aug 2016 3:35pm
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jnglmstr



Member Since: 03 Aug 2015
Location: Dorking - Surrey
Posts: 14
United Kingdom 1996 Defender 110 300 Tdi SW Coniston Green
Peter Td4 wrote:
rallysteve wrote:
I am pretty sure td5 ecu outputs a 4cylinder square wave pulse. All you need is a circuit to boost the 0-5v signal to 12v.

It's not really a 0-5V signal, the ECU output has a particular characteristic that you need to match.

But a 4-cylinder rev counter works perfect.
I'm using this model: Vision Black 4,000 RPM Tachometer - VDO 333-156
with some glue electronics Wink


Hi Peter,

would you care to share your experiments / schematics with us please?

Thx!!
Post #558805 25th Aug 2016 8:56am
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GerardTd5



Member Since: 03 Aug 2016
Location: almost Germany
Posts: 44
Netherlands 2001 Defender 90 Td5 CSW Epsom Green
Still no schedule, the vdo rev counter Peter used is a 4000 rpm one. Td5 engines max is 4850, if I remember correctly.

Cheers, Gerard90Td5
Post #643609 13th Aug 2017 11:53am
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klacinak



Member Since: 11 Jul 2019
Location: Kunhegyes
Posts: 8
Hungary 1999 Defender 130 Td5 HCPU Coniston Green
@Peter
Hi Peter,
is there an available schematics for your solution? I have the same problem with my TD5.
Thank you!!!!
Laszlo

Peter Td4 wrote:
Hi,

That's actually what I've been working on lately Laughing


Click image to enlarge

Still need to finish my installation, but it works great.
With a bit of glue electronics it is really a simple install, and it costs a fraction of the original Td5 rev counter.
Post #781142 11th Jul 2019 4:02pm
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2296
Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
You may be interested in this https://www.defender2.net/forum/topic65167.html > 110 XS Double Cab
Post #781147 11th Jul 2019 4:46pm
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