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Jontd5



Member Since: 09 Dec 2018
Location: Laois
Posts: 39
Ireland 
TD5 rev counter - the cheap option
Was looking to get a rev counter for my 110, bought a cheap universal diesel on on eBay for 20 quid and added a W terminal to back of alternator. Didn't even have to take alternator off, was able to take back cover plate off from underneath

Click image to enlarge
Post #746137 17th Dec 2018 3:30pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1763
United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Very interesting! I've always been under the impression that even adding a W terminal wouldn't work due to the 5 cylinder vs 4 cylinder thing. Have you "calibrated" it against a nanocom or similar?

Any details on the mod to add the terminal?
Post #746161 17th Dec 2018 5:42pm
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Jontd5



Member Since: 09 Dec 2018
Location: Laois
Posts: 39
Ireland 
Yeah wasn't sure it would work either - but set it up with nanocom at idle and at 1000, 2000, 3000 and 4000 rpm it was reading accurate. I bought the cheapest gauge I found for a diesel on eBay , partly because I wasn't sure it would work and partly it was reasonably simple in looks. It has no jumpers on the rear just a calibration screw. All I did with alternator was disconnect wire and remove the rear cover - managed to do it with alternator still in place, there a series of screws holding the rectifier plate onto alternator when you remove back cover one of these screws will be facing straight down towards the floor, i just attached a cable to that and ran it up to back of instruments, connected it up and all done.

It is a fiddle getting rear cover off but better than pulling alternator out. I will upload a photo of where to attach wire if that helps
Post #746163 17th Dec 2018 5:55pm
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6093
United Kingdom 2006 Defender 110 Td5 SW Epsom Green
nice job. Yes some pictures would be good.
Post #746165 17th Dec 2018 6:04pm
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rallysteve



Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2237
United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
Doesnt matter how many cylinders the engine has, the alternator still spins at the same speed. The only variable is the ratio of the crank and alternator pulley size 02' 110 TD5 Double Cab Rebuild Thread
Post #746166 17th Dec 2018 6:04pm
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Jontd5



Member Since: 09 Dec 2018
Location: Laois
Posts: 39
Ireland 
These are photos from my spare alternator. I took off the rear cover and fitted a wire to the screw coming off the end of the stator

Last edited by Jontd5 on 19th Dec 2018 7:41am. Edited 1 time in total
Post #746171 17th Dec 2018 6:15pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2173
2004 Defender 110 Td5 DCPU Epsom Green
Fantastic news! No more £200 rev counters! Instagram @defender_ventures
Empire Tuning - Agent
Post #746174 17th Dec 2018 6:22pm
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Jontd5



Member Since: 09 Dec 2018
Location: Laois
Posts: 39
Ireland 
eBay Item No. 362310571942

That's the gauge I used

Last edited by Jontd5 on 19th Dec 2018 7:46am. Edited 2 times in total
Post #746175 17th Dec 2018 6:31pm
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652
United Kingdom 2003 Defender 90 Td5 HT Alpine White
Well done that man!!!! 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #746260 18th Dec 2018 7:23am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5850
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
What make of alternator is it? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #746277 18th Dec 2018 10:49am
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MJN110



Member Since: 18 May 2015
Location: North Yorkshire
Posts: 380
United Kingdom 2016 Defender 90 Puma 2.2 Landmark LE Montalcino Red
I love doing mods on my TD5 defender I have ordered the same rev counter and looking forward to fitting it.
Thanks for posting this info. 2016 Defender Landmark 90
2005 Defender CSW TD5 90XS
Post #746285 18th Dec 2018 11:54am
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2301
Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
That rev counter looks right at home in there Thumbs Up
Post #746286 18th Dec 2018 12:02pm
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Jontd5



Member Since: 09 Dec 2018
Location: Laois
Posts: 39
Ireland 
excossack wrote:
What make of alternator is it?


Standard Td5 alternator - denso I think
Post #746299 18th Dec 2018 1:49pm
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Jontd5



Member Since: 09 Dec 2018
Location: Laois
Posts: 39
Ireland 
https://photos.app.goo.gl/tPbTg3LXnboK8Fof7

Hopefully that video link will work
Post #746300 18th Dec 2018 1:50pm
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Adam17



Member Since: 15 May 2018
Location: Within Bedfordshire
Posts: 1193
England 2004 Defender 110 Td5 XS CSW Java Black
Jontd5 wrote:
Yeah wasn't sure it would work either - but set it up with nanocom at idle and at 1000, 2000, 3000 and 4000 rpm it was reading accurate. I bought the cheapest gauge I found for a diesel on eBay , partly because I wasn't sure it would work and partly it was reasonably simple in looks. It has no jumpers on the rear just a calibration screw. All I did with alternator was disconnect wire and remove the rear cover - managed to do it with alternator still in place, there a series of screws holding the rectifier plate onto alternator when you remove back cover one of these screws will be facing straight down towards the floor, i just attached a cable to that and ran it up to back of instruments, connected it up and all done.

It is a fiddle getting rear cover off but better than pulling alternator out. I will upload a photo of where to attach wire if that helps


Looking forward to seeing the pics - may have to give this a go myself Wink
That video is great. matches up perfect. Regards
Adam

Loving The Duchess
The Defender 110 TD5 XS

My Defender story - http://www.defender2.net/forum/topic64005.html
Post #747567 27th Dec 2018 3:55pm
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