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Old 03-09-2012, 08:13 AM   #1
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Default DIY gauge cluster with Maxigauge

Hi,

inspired by the "Don't need no stinkin gauges" thread I thought I try my long planned gauge cluster swap. I planned this swap for a long time because I was annoyed of all the missing values in the OEM cluster and all the gauges in my air-outlets.

In this thread you will be able to watch if my attempt is going to be win or fail...

These are just my first thoughts and preparations:

I got a spare 99-00 gauge cluster from a friends killed 10AE and dismantled it completely.

*insert pic here*

From a member of the German MX-5 board I got a DWG (CAD) file for the OEM gauge cluster including the backside.

Now the thread about the Maxigauges gave my idea a final push to start my own gauge cluster.

I ordered the Large-LCD version of the Maxigauge from Hakan.



The gauge will show the following values:

Oil Pressure (oilP)
Oil Temp (oilT)
Coolant temp (Wts)
Rpm (Rpm)
Exhaust Temp (Egt)
Air-fuel wideband (Afr) zeitronix zt2
Boost-Vacuum (Map)
Volts (Batt)

and these alarms:

Mininum Oil pressure: red led and sound
Max Wts: red led and sound
Rpm: shiftlight blue led and sound
Max Egt: red led and sound
Lean afr alarm: red led and sound

Hakan is a great guy to deal with, he replies on mails very fast and is very helpful with every detail of the gauge. (You can get a lot of different custom settings, gauges etc.) I want to use OEM VDO sensors for oil pressure, oil temp and water temp - no problem!

- I made 2 designs on how my gauge cluster could look like.

Design Nr. 1 - I would have to swap the fuel level gauge to the right side and
the ODO LED



Nr. 2 - I could leave the fuel level gauge and maybe the ODO LED (but I don't know if it will fit together with the maxigauge)



QUESTION:
I got 2 "spare" holes in design two - upper and right little gauge pod. What other gauges would you put in there?


Lets go on:

- I scanned the OEM gauge circuit



and I made a little drawing on what goes where:



I ordered the VDO sensors and an adapter plate for the oil-temp sensor for the oil filter. When everything is arrived I will go on and keep you informed!

Greetings from Germany
Attached Thumbnails
DIY gauge cluster with Maxigauge-gc_0003.jpg   DIY gauge cluster with Maxigauge-gc_0004.jpg   DIY gauge cluster with Maxigauge-gc_0002.jpg   DIY gauge cluster with Maxigauge-gc_0001.jpg  
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Old 03-09-2012, 10:00 AM   #2
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Wow, that would be really nice. Is the display backlit?
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Old 03-09-2012, 10:03 AM   #3
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Very nice, sir. I'm sure a lot of us, including myself, have been thinking about this while looking at that thread.

Looking forward to seeing it progress.
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Old 03-13-2012, 11:09 AM   #4
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@djp0623 - yes it's backlit.

More parts rolling in:

Oil filter adapter plate, VDO oil and water temp sensors.



I will have to do a double adapter plate - one for the sensors, one (with thermostat - already installed for my oil cooler). But I have found this already done and working.

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DIY gauge cluster with Maxigauge-gc_0005.jpg   DIY gauge cluster with Maxigauge-sainz_115.jpg  
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Old 03-13-2012, 11:17 AM   #5
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I think you are missing a tachometer. It would seem to me you should replace the speedo with a tach and just use the digital speed readout.

Good stuff though, I like this idea a lot!
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Old 03-13-2012, 11:49 AM   #6
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Quote:
Originally Posted by Track View Post
I think you are missing a tachometer. It would seem to me you should replace the speedo with a tach and just use the digital speed readout.

Good stuff though, I like this idea a lot!
It's the a digital one in the screen.

EDIT: Nevermind, I get what you are saying in that he is missing a mechanical gauge and not that he is missing a gauge all together.

Last edited by rharris19; 03-13-2012 at 01:51 PM.
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Old 03-13-2012, 12:19 PM   #7
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This thread will be epic and should be a sticky if it is successful. I saw your drawing in the original thread and loved it. I have been thinking about putting one of these together. My vote would be for design #1. It looks much cleaner and not overly busy.
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Old 03-13-2012, 12:27 PM   #8
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Quote:
Originally Posted by Track View Post
I think you are missing a tachometer. It would seem to me you should replace the speedo with a tach and just use the digital speed readout.

Good stuff though, I like this idea a lot!
I agree, would've kept the mechanical tach personally. Speedo changes much slower rate than a tach, just personal pref.

This is AWESOME. Sub.
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Old 03-13-2012, 01:30 PM   #9
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good
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Old 03-13-2012, 02:06 PM   #10
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Quote:
Originally Posted by rharris19 View Post
It's the a digital one in the screen.

EDIT: Nevermind, I get what you are saying in that he is missing a mechanical gauge and not that he is missing a gauge all together.
All I am trying to say is its better to keep the tach gauge over the speedo.

In this case he can simply reverse the two.

We could get into the ergonomics of a tach gauge vs. tach readout, but that stuff is probably boring. I will simply say its easier to get relevant information from a tach gauge than a tach digital readout.

Last edited by Seefo; 03-13-2012 at 05:52 PM.
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Old 03-13-2012, 05:22 PM   #11
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I would also love to keep the mech. tach. Problem is - to keep the German TÜV happy I have to keep a OEM speedo. I will see with which I will be going once my Maxigauge arrived ( it's already on the way from Turkey)
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Old 03-15-2012, 01:43 PM   #12
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I will be excited to see how this progresses. It is unfortunate that you cannot keep the stock tach and just use the digital speedo, but maybe if you used the second design you could put a very small tach in one of the two other locations? An actual needle for tach is very nice to have, though to be honest I actually don't look at it too often.
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Old 03-15-2012, 03:05 PM   #13
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I might consider a small speedo.

More parts are coming in - LEDs for all the backlighting of the cluster.

Have to wait for the Maxigauge to arrive - was shipped on Monday, but might take another week. (Shipping from Turkey to Germany seems to take awfully long)
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Old 03-21-2012, 07:05 AM   #14
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O.K. your hints about the tach got me thinking:

I think I am going to build myself a "little rpm gauge" where the OEM water temp gauge was sitting - looks like this when finished. (I will be going with the small tach, big speedo to keep the TÜV happy here - I also have a design for a small speedo though...



As I don't have the Maxigauge yet I cannot so anymore work.
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Old 03-21-2012, 11:09 AM   #15
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I like small speedos...at the beach!
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Old 03-25-2012, 06:58 PM   #16
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I just got a great idea. Not sure how they check it, but leave the "Speedometer" dial face but swap it mechanically for the tach? Obviously if they function checked stuff that wouldn't work... Just a thought.
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Old 03-26-2012, 11:38 AM   #17
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Hmmm,

How about a 4P2T switch/relay? That way you could select between Speedo and tach function. Just have to make sure the sin+/- and cos +/- are right.
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Old 03-26-2012, 01:14 PM   #18
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Quote:
Originally Posted by BarbyCar View Post
Hmmm,

How about a 4P2T switch/relay? That way you could select between Speedo and tach function. Just have to make sure the sin+/- and cos +/- are right.
That would be really cool. Kind of like how my grandmother's buick has a button to switch from MPH to KPH, but less buick-y.
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Old 04-27-2012, 09:23 AM   #19
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After a whooping 46 days (!) from sending the package (thanks Hakan) to receiving it - my Maxigauges finally arrived. (I guess I could have sent someone to walk to Turkey and get the package for me - thanks Deutsche Post - your are really fast !)

This is what I got:





Now, when I find the time I am going to get my install done!
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DIY gauge cluster with Maxigauge-maxigauge_001.jpg   DIY gauge cluster with Maxigauge-maxigauge_002.jpg   DIY gauge cluster with Maxigauge-maxigauge_003.jpg  
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Old 04-27-2012, 09:29 AM   #20
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Looking great so far! Looking forward to see how you build the encasing, since I'm doing a homemade LCD gauge myself, and am curious about this now!
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