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Old 06-22-2007, 08:03 AM   #1
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Default 94 Miata Schematic?

Started setting up an Emanage Blue for a '94 Miata and found that the ECU wiring does not agree with the Instruction Manual. Does anyone have a correct diagram?

Edit: Steelrat has provided one below.

Last edited by olderguy; 06-24-2007 at 08:13 AM.
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Old 06-22-2007, 10:13 AM   #2
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OG, If you find the PDF I posted for my EM-B install, the 94/95 should have the same wiring diagrams.....

You basically will have 4 injector wires + the other feeds going into the EM..... Settings will be for the hotwire MAF -- so 3-a-0

Here's the thread with the PDF included:

https://www.miataturbo.net/forums/sh...ght=95+install

I can email it to you if you still need another copy of it, or can't see the attachment.

Dave,

Last edited by olderguy; 08-07-2007 at 08:46 AM. Reason: Attachment was corrupted, see below post 16.
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Old 06-22-2007, 10:53 AM   #3
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Thanks. I was looking for that thread, but couldn't find it. I remembered that you had done such a nice job on it, but couldn't locate it. And the file I saved on my computer got lost. Getting older

I doped it out and wired it earlier, and now confirmed it with your diagram.

Reading the old thread, I saw that I left a word out that would have confused others. " It is NOT the same as the 1.6 ECU pinout." is what it should have read.

Thanks for the diagram and the chance to correct my error.
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Old 06-22-2007, 01:02 PM   #4
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NP..... I knew it was out there somewhere. <G>

Glad it's up and running. <G>

Dave,
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Old 06-22-2007, 02:14 PM   #5
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Complete wiring diagrams for all '90 to '00 Miatae: http://www.madracki.com/miata/wiring.html
(That really oughta be a sticky in the archives. I don't have permission to post there...)

These are not the official Mazda diagrams, but I've found the '92 schematic to be fairly accurate. The only discreps I've come across related to wires that are absent in some cars, present in others (VSS for instance) not being properly notated as such.
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Old 06-22-2007, 02:44 PM   #6
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done.
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Old 06-23-2007, 01:31 PM   #7
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Originally Posted by Braineack View Post
done.
Eh?
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Old 06-23-2007, 07:19 PM   #8
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put in archives for you
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Old 06-24-2007, 12:42 AM   #9
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Quote:
Originally Posted by Braineack View Post
put in archives for you
Must be in the "Other" archives, which is marked as Private and inaccessible to me. Always assumed it just a dead folder. Not I feel really inadequate.
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Old 06-24-2007, 12:45 AM   #10
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hmmm.

dunno why, you should be able to access both sections...
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Old 06-24-2007, 08:57 AM   #11
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The "other archives" are off limits to me too. It says private... where normally it will list the last known thread + poster. And if you open it, the main windows says ... there are no posts in this forum....

Sounds like a permission bug to me. <G>

Dave,
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Old 06-24-2007, 02:18 PM   #12
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fwiw, there are some wiring differences between '94 and '95. In the pinout diagram that came with my EMS it shows a few things being different between them. Interestingly enough, my car is a '94 but my ECU has the pinouts AEM listed for a '95. I can send there pdf to you if you want.
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Old 06-24-2007, 02:49 PM   #13
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ha, log out and I can still see the other archive...I can move it to the greddy ones, no biggie.
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Old 07-26-2007, 04:54 PM   #14
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Since the original thread got nuked. Here's the documentation again.....

If the mods want, it can go into a new thread to be archived properly this time.

NOTE: on my car the RPM wire was not in location 2O, instead it was with the blank @ 1F.... so if you have a late build '95.

Dave,

Last edited by olderguy; 08-07-2007 at 08:39 AM.
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Old 08-07-2007, 02:02 AM   #15
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Hi Dave,
for some reason that PDF file doesn't open up for me, could you maybe send me the file in a pm? I'm hopefully purchasing an EMU this week, so I'm sure I will need the schematic soon.
nick><>
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Old 08-07-2007, 08:43 AM   #16
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Quote:
Originally Posted by 924_nick View Post
Hi Dave,
for some reason that PDF file doesn't open up for me, could you maybe send me the file in a pm? I'm hopefully purchasing an EMU this week, so I'm sure I will need the schematic soon.
nick><>
Trying to re-upload it here:
Attached Files
File Type: pdf 94to95 ECU.pdf (43.2 KB, 199 views)
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