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Old 09-26-2013, 09:31 PM   #1
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Hey guys im helping a local get his miata back running its a 92 with a greddy kit, devils own water meth, a trigger wheel instead of a cam sensor and an ms2. He pulled the harness because the wiring was screwed up without labeling the ms harness, it was hardwired into the car. Now im helping him get the thing back up snd running. Im working on labeling the harness, but as im looking at the ms2 pinout located here this model has a few extras that im not quite sure what they go to. I have pins pins 3-6 in use where the guide doesnt call for anything. The guide im using http://www.megamanual.com/ms2/V3assemble.htm

ms2 assistance-forumrunner_20130926_202732.png



ms2 assistance-forumrunner_20130926_202740.png


Ps: sorry if stuff is misspelled im using a tablet
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Old 09-26-2013, 09:53 PM   #2
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Also pin 36 says ignition module, on the guide. Which pin on the module is this.
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Old 09-26-2013, 10:42 PM   #3
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Sorry I'm no help. But damn there is a lot of stuff on in that proto area lol. So glad I have an MS3x. Good luck
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Old 09-27-2013, 03:27 PM   #4
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Bump
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Old 09-27-2013, 04:50 PM   #5
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The standard manual doesn't cover optional mods; those are covered in the MS2/Extra manual:

Megasquirt MSEXTRA Manual Index
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Old 09-27-2013, 06:49 PM   #6
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I do not see a ms2 cpu on that board.

Your best bet is to contact whomever built the MS.
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Old 09-27-2013, 09:26 PM   #7
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Quote:
Originally Posted by southernmx5 View Post
I do not see a ms2 cpu on that board.

Your best bet is to contact whomever built the MS.
No markings by builder. I'm leaning towards a diy unit. And thanks matt

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Old 09-28-2013, 11:12 AM   #8
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I wouldnt touch that MS. what does that say to you?
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Old 09-28-2013, 11:56 AM   #9
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That's an MS1; upgrade to MS2 or MS3.
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Old 09-28-2013, 03:17 PM   #10
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Yea Its kind of a mess
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Old 09-28-2013, 04:36 PM   #11
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I meant try to contact the builder to get "SKImatics" of the custom ckts. Otherwise it is going to take so much time to figure out the nonstandard ckts that you will be better off to just desolder that stuff and upgrade OR even better just build a new megasquirt.

It's like reverse engineering a Pentium 2 cpu when you could get a quad core i7.
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Old 09-28-2013, 09:48 PM   #12
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He hss no idea who built it, and I may suggest the upgrade if I cant figure out all the extra stuff.
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