UK & Ireland S2000 Community Discussions related to the S2000, its ownership and enthusiasm for it in the UK and Ireland. Including FAQs, and technical questions.

JDM Cluster KMH to MPH Conversion

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Old Feb 18, 2023 | 07:39 AM
  #11  
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Isn’t the engine going to run to 9k? Reads that way in the first post, modified stroker kit.

Last edited by martin j; Feb 19, 2023 at 04:59 AM.
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Old Feb 18, 2023 | 09:47 AM
  #12  
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The AP2 tach still reads up to 9000 rpm. 8000 - 9000 is in the red but it's still there and readable.

-- Chuck
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Old Feb 19, 2023 | 02:30 AM
  #13  
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See here for a uk 2007 cluster, goes to 9 and a bit:
https://www.ebay.co.uk/itm/255708131808
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Old Feb 19, 2023 | 04:25 AM
  #14  
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Do we have canbus on UK 07^ S2ks op is in USA
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Old Feb 19, 2023 | 06:44 AM
  #15  
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Have you actually got the 06+ jdm cluster yet to check if the mph/kph is disabled? I only ask as mine is the AP2 jdm import and you can switch between mph and kph.

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Old Feb 20, 2023 | 07:56 AM
  #16  
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See Post 6, Not just a soldering job but doable, I did it.
https://www.s2ki.com/forums/uk-irela.../#post24743693
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Old Feb 20, 2023 | 11:24 AM
  #17  
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Originally Posted by Chuck S
I'm curious how you're going to pass California emissions without the OEM ECU regardless of KPH or MPH dash display. The US AP2 clusters stop at 9,000 rpm but at 8,000 the indicator is in the red where your engine will rarely run. This seems cosmetic to me.



The AP2 tach still reads up to 9000 rpm. 8000 - 9000 is in the red but it's still there and readable.

-- Chuck
There's several ways around CA emissions and this is mostly a track car at this point anyways.

As far as 8-9k being readable on the US tach, you're incorrect. Firstly, the red part is actually hard printed on the glass lens in between 8 and 9k, much like it is after 9k on the UK/ROW clusters. And more importantly, US clusters just start flashing red in that 8-9k range when you get to 8k. There is no resolution and no way to visibly tell what RPM you are actually at.

The motor I built will rev to 9k so this is more informative for me than cosmetic but you're welcome to your (wrong) opinion.

Just banter mate, no offense meant in any of the above

Originally Posted by **mugen**
Have you actually got the 06+ jdm cluster yet to check if the mph/kph is disabled? I only ask as mine is the AP2 jdm import and you can switch between mph and kph.
I don't physically have it yet but the gentleman I purchased from in Germany had 2 and he's verified it doesn't work unfortunately. Yours must have been modified in the way I'm trying to do mine.

Originally Posted by lovegroova
Would an 06+ UK cluster do the trick? 9k on the dial and perhaps uses CANBUs- I have no idea, sorry!
Yes it absolutely would! Finding an 06+ UK cluster would be perfect. Unfortunately there aren't many out there. I even have requests put in through a few online breaker yards lol

Originally Posted by lovegroova
See here for a uk 2007 cluster, goes to 9 and a bit:
https://www.ebay.co.uk/itm/255708131808
I've had that one on my watchlist for quite some time. The LCD screen is damaged and apparently that's an £865 part assuming you can find a dealer to sell it to you. And of course, that LCD screen is UK specific so I can't get one at my local dealer. I appreciate you linking it though!

Originally Posted by G.E
See Post 6, Not just a soldering job but doable, I did it.
https://www.s2ki.com/forums/uk-irela.../#post24743693
Holy shit, this is it! And this is definitely outside of the limits of what I'm comfortable with lol. That said I do enjoy a good challenge. Nice work and thank you for documenting it!

I saw you did it on an AP1 cluster but I would imagine the procedure is the same or similar for the later clusters. I must admit I don't know enough about this stuff to even know where the EEPROM is on my board. I know it looks different on the cluster I took apart compared to your photos. From reading around a bit it seems the EEPROM in mine is a 93c66. Would you happen to know the likelihood the hex data locations are the same? I used Tachosoft to check and it seems that at least the mileage hex lines are slightly different - the later chip only shows mileage stored in two lines as opposed to the 4 on your cluster.

And one last question - what are you using to power the cluster on? I've tried searching for that little red box as I've seen it used in cluster testing by other people but I have no idea what it's even called to find it.
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Old Feb 20, 2023 | 11:35 AM
  #18  
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That guide isn't from me, that's just a link I found after much research. It was a while ago I did Mine and I did have the advice of a Polish electronics genius at work, plus eprom burner I could use there. Powering up was a suck it and see. The instructions were followed and it worked straight away when I reinstalled it.
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Old Feb 20, 2023 | 02:21 PM
  #19  
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Does it plug into pc and gets power from there,long time ago i used an EMU
a failure and sold it on after ruining a p28 ecu and used a >> Moates ostrich 2 emulator<<
or >?

Arduino Mega Eprom Programmer


Last edited by noodels; Feb 20, 2023 at 02:32 PM.
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Old Feb 21, 2023 | 07:48 AM
  #20  
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Ah yes, now from memory I ordered a new eeprom equivalent and de-soldered the original. Then read the orginal, copied the info to a new one and modified that and resoldered.
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