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Old 09-21-2013, 07:56 PM   #1
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Default Where to install a Reverant MS3 Basic in a 99

So the stock 99 ecu sits above the clutch and brake pedal. The MS3 basic is is more than twice the size of the stock ecu though... I don't see how it could fit anywhere near the drivers feet where the harness will reach. Has anyone installed an MS3 basic in a 99? If so where did you put it? At this point my only idea is to find the stock connecters and make an extension harness to put it behind the glove box.


Wut do?

Also I'll try to get some pics of the problem tonight I'm on my phone now.
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Old 09-21-2013, 08:19 PM   #2
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I'm going behind the glove box. Boomslang made me a extension harness for the one that isn't long enough. Mine is 48in and was about $100, but a 36in would work and be cheaper. I err'd on the long side since I think I'm the first going this route. The two green ecu connectors that are engine harness will route far enough to work.



Edit:
Found the pic of extension harness and second is the USB panel mount. Should eliminate the need to fiddle around with wired ecu connections.




Haven't done mounting yet. Semester started and mildly lost interest in my slow going project.
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Where to install a Reverant MS3 Basic in a 99-tl2qjqu.jpg   Where to install a Reverant MS3 Basic in a 99-zvntif0.jpg   Where to install a Reverant MS3 Basic in a 99-zvntif0.jpg  
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Old 09-21-2013, 08:41 PM   #3
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My ms2 has a small harness cause it goes db37 to Miata stock harness. My ms2 is zip tied to the steering column kind of...
Ms3 looks way bigger, and I really dig the way you cut that hole in the side of the interior panel for the USB port. That is win all over.
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Old 09-21-2013, 09:28 PM   #4
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Quote:
Originally Posted by TorqueZombie View Post
I'm going behind the glove box. Boomslang made me a extension harness for the one that isn't long enough. Mine is 48in and was about $100, but a 36in would work and be cheaper. I err'd on the long side since I think I'm the first going this route. The two green ecu connectors that are engine harness will route far enough to work.


Edit:
Found the pic of extension harness and second is the USB panel mount. Should eliminate the need to fiddle around with wired ecu connections.

Haven't done mounting yet. Semester started and mildly lost interest in my slow going project.
Awesome, I was actually over at Concealer404's place, and he said he needs to make a couple of harnesses for his crazy 90s bandaids, so that's probably what I'll do.

I found this m.net thread with the part numbers for the stock connectors, I'll look into if they are correct or not later. Right now it's time to drink my sorrows away.

Thanks again TZ, great pics.

Oh and thirdgen I think that cutout is already there isn't it?
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Old 09-22-2013, 10:35 AM   #5
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Reverant sent me a picture of one installed next to the steering column. Unfortunately, I did not save it. Perhaps he will post it here?
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Old 09-22-2013, 12:43 PM   #6
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Yeah that cutout is already there. Never thought to use it as a USB jack, though, awesome idea! I need to do that for my NB.

As for the MS3... i dont think there's any GOOD way that this thing is fitting on the driver's side. It's HUGE. It really needs to be mounted Hydra-style with a patch harness.
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Old 09-22-2013, 01:36 PM   #7
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Where to install a Reverant MS3 Basic in a 99-20130710_184003_zps011604bf.jpg   Where to install a Reverant MS3 Basic in a 99-20130710_183932_zps5ac75fa6.jpg   Where to install a Reverant MS3 Basic in a 99-20130710_183922_zpsf03a0344.jpg  
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Old 09-22-2013, 01:53 PM   #8
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He has the breakout harness on the other end, though. I shoved it up there but with engine harness on one side, breakout on the other, it wasn't going to work real well.
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Old 09-22-2013, 01:56 PM   #9
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I'll bring everything back over after grabbing some food and we'll give it another shot. But we'll start with the ECU this time lol.
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Old 09-22-2013, 03:06 PM   #10
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Quote:
Originally Posted by Reverant View Post
pics
Thanks for the pics Reverant. Did that also have the DB-37 harness attached to it? It looked like it might have had a chance except for that expansion harness.
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Old 09-22-2013, 03:43 PM   #11
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He removed the black cover on the DB37 connector and insulated any bare contacts with electrical tape.
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Old 09-22-2013, 04:27 PM   #12
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Awesome, I will try that, I could almost get it in that spot, but the DB37 was right up against the firewall.

The main problem appears to be the white plug seen in picture 2.





Anyone know what that is? I guess I could have looked while I was under there. I might see how much room I have to move it out of the way.

I powered up the MS3 and calibrated my TPS at least.
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Old 09-22-2013, 06:18 PM   #13
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Might this help?



Where to install a Reverant MS3 Basic in a 99-screen-shot-2013-09-22-5.22.29-pm.jpg

Last edited by DNMakinson; 09-22-2013 at 06:25 PM. Reason: URL did not paste well.
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Old 09-22-2013, 06:25 PM   #14
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I have a DIYPNP, but that appears to be of similar size. I got tired of installing and pulling it from the clutch/brake location... here's what I did:



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Old 09-23-2013, 01:22 AM   #15
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The ms3 won't fit in that location.
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Old 09-23-2013, 02:40 AM   #16
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diypnp is way way smaller aaron

My solution might also be not relevant to thread

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Old 09-23-2013, 09:58 AM   #17
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It's just too wide to fit in there Aaron. And don't think I didn't try, I'm quite good at fitting wide things into tight spaces
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Old 09-23-2013, 10:11 AM   #18
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For instance, the MS3 WILL fit in his anus. Really the hardest part about that install was figuring out how to feed the factory plugs up through the seat.
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Old 09-26-2013, 10:47 AM   #19
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I already sent these photos to concealer but this is what I came up with to mount my ms2e.

Basically just made an aluminium bracket that bolts in to the oem ecu's bracket bolt and runs across to near the fuse box and the ms2 sits ontop. Then I just ran the serial cable out the fuse box.
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Where to install a Reverant MS3 Basic in a 99-2013-09-21-16.43.17.jpg   Where to install a Reverant MS3 Basic in a 99-2013-09-21-16.43.44.jpg   Where to install a Reverant MS3 Basic in a 99-2013-09-21-16.43.53.jpg  
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Old 09-26-2013, 10:50 AM   #20
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If I wanted to not hack it together, I would have done something like that. For now I will save the nice mounting options until I put it behind the glovebox with an extension harness.

I'll take some pics of the hack job at lunch. We got it up there and installed.
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