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Forum nameEngine Management Systems & Controllers
Topic subject2GNT Megasquirt Wiring Diagram
Topic URLhttp://forums.2gnt.com/dcboard.php?az=show_topic&forum=54&topic_id=173
173, 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
OK, I'm finally working on my Megasquirt install guide... soo here's a nice piece of info from it, the 2GNT wiring diagram!



More info will be coming throughout the weekend.
I think once you guys see how versatile and easy the MS really is, more of you will be using it...

I know I have 2 MS units that I'm gonna be giving to 2GNT regulars here next week... ;)
174, RE: 2GNT Megasquirt Wiring Diagram
Posted by djtrickee, Dec-31-69 06:00 PM
Originally posted by MrSlick
OK, I'm finally working on my Megasquirt install guide... soo here's a nice piece of info from it, the 2GNT wiring diagram! More info will be coming throughout the weekend. I think once you guys see how versatile and easy the MS really is, more of you will be using it... I know I have 2 MS units that I'm gonna be giving to 2GNT regulars here next week... ;)


Thats awesome! Thanks a lot. I want one of these bad.
175, RE: 2GNT Megasquirt Wiring Diagram
Posted by Dave41079, Dec-31-69 06:00 PM
I'm thinking of going with this setup as well. I need to do some reading about it. I'd definitely like to see what you have put together on it. That wiring diagram is easy enough to understand, even for someone electronics-retarded like myself.
176, RE: 2GNT Megasquirt Wiring Diagram
Posted by grain, Dec-31-69 06:00 PM
good job lee. are you using the reley board. its aload easyer with wiring if thats used.

and people, its really not hard to build one of these units.
heres mine:
177, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by grain
good job lee. are you using the reley board. its aload easyer with wiring if thats used. and people, its really not hard to build one of these units. heres mine:


No I'm not using the relay board... because to be honest you only need one extra relay for the MS! And if you realy wanted to you could do a slight rewire of the ASD relay and use it to control the main MS power... I'm planning on trying that soon.
All you need is to make a harness for the MS, then you just have to splice into a few wires and voila, your good to go.

And yeah the Megasquirt isn't all that hard to make.
You can buy everything you need from www.glensgarage.com for $146 shipped. Or people like me can make one for a fee if you don't feel up to the challange. But it's really not that hard if you have soldering experience.
178, RE: 2GNT Megasquirt Wiring Diagram
Posted by soulcontroller, Dec-31-69 06:00 PM
thats pretty sweet, and having a diagram like that makes it that much easier...
179, RE: 2GNT Megasquirt Wiring Diagram
Posted by djtrickee, Dec-31-69 06:00 PM
Originally posted by MrSlick
Or people like me can make one for a fee if you don't feel up to the challange. But it's really not that hard if you have soldering experience.


How much would that be?
Let me know, I think this would be a good winter project to fool around with.
180, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by djtrickee
Originally posted by MrSlick Or people like me can make one for a fee if you don't feel up to the challange. But it's really not that hard if you have soldering experience.
How much would that be? Let me know, I think this would be a good winter project to fool around with.


I normally charge $275 shipped...
Let me know if you want one... I may have a few spares by the SO... ;)
181, RE: 2GNT Megasquirt Wiring Diagram
Posted by kelvinb1, Dec-31-69 06:00 PM
megasquirt kinda sounds like a porn name, whats this thing do?
182, RE: 2GNT Megasquirt Wiring Diagram
Posted by grain, Dec-31-69 06:00 PM
take a gander at the wiring diagram, and see what the wires go to, and then answer your own question.
183, RE: 2GNT Megasquirt Wiring Diagram
Posted by Pushin420a, Dec-31-69 06:00 PM
I'm gonna guess NOS Wiring...and controls... :shrug
184, RE: 2GNT Megasquirt Wiring Diagram
Posted by turbo8u, Dec-31-69 06:00 PM
Originally posted by Pushin420a
I'm gonna guess NOS Wiring...and controls... :shrug


oh my..... :bash

google - "megaquirt" :thumbsup

185, RE: 2GNT Megasquirt Wiring Diagram
Posted by djtrickee, Dec-31-69 06:00 PM
Originally posted by turbo8u
Originally posted by Pushin420a I'm gonna guess NOS Wiring...and controls... :shrug
oh my..... :bash google - "megaquirt" :thumbsup


Here ya go. I googled for you.

http://www.google.com/search?num=50&hl=en&lr=&ie=UTF-8&newwindow=1&safe=off&q=squirters
186, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
www.megasquirt.info
www.msefi.com
187, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
I figured I'd bump this post given all the recent interest in the Megasquirt...
188, RE: 2GNT Megasquirt Wiring Diagram
Posted by etx, Dec-31-69 06:00 PM
Originally posted by MrSlick
I figured I'd bump this post given all the recent interest in the Megasquirt...


Cool shit Lee! I'm still waiting for my components to come in. :(
189, RE: 2GNT Megasquirt Wiring Diagram
Posted by grain, Dec-31-69 06:00 PM
bleh, i think i burned up transister Q3.
fuel pump wont prime
190, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by grain
bleh, i think i burned up transister Q3. fuel pump wont prime


I did that once too... ;)

Things to check though are to make sure the MS has power... when hooked up to Megatune do you see feedack from the MS? If you do then you may be right...
No big deal doesn't take much to swap in a new transistor.

You can also try and trigure the transistor manually also... if your carefull.
3101, RE: 2GNT Megasquirt Wiring Diagram
Posted by jmiller, Dec-31-69 06:00 PM
Originally posted by MrSlick
Originally posted by djtrickee
Originally posted by MrSlick Or people like me can make one for a fee if you don't feel up to the challange. But it's really not that hard if you have soldering experience.
How much would that be? Let me know, I think this would be a good winter project to fool around with.
I normally charge $275 shipped... Let me know if you want one... I may have a few spares by the SO... ;)


hey i just got a 95 gs and im looking at some engine management systems and this mega squirt thing sounds pretty good... i have been reading about it and from what every one says it is really easy to hook up... but i am a complete tard with electronics... ive looked at the wiring diagrams and im hoping i can do it... even though i dont know what im looking at... i seen that u will build one for 275... what els will i need to do to start tuning if i buy one from you?(wide band, sensors, cables, etc?????????)
191, RE: 2GNT Megasquirt Wiring Diagram
Posted by davo345, Dec-31-69 06:00 PM
Originally posted by MrSlick
OK, I'm finally working on my Megasquirt install guide... soo here's a nice piece of info from it, the 2GNT wiring diagram! More info will be coming throughout the weekend. I think once you guys see how versatile and easy the MS really is, more of you will be using it... I know I have 2 MS units that I'm gonna be giving to 2GNT regulars here next week... ;)



What is that orange wire doing there that is connecting the wires controlling injectors 1&3 and 2&4?
192, RE: 2GNT Megasquirt Wiring Diagram
Posted by 95GSEclipse, Dec-31-69 06:00 PM
power....the ms grounds the injectors to fire them
193, RE: 2GNT Megasquirt Wiring Diagram
Posted by Ryan_Hes, Dec-31-69 06:00 PM
I'm gonna MegaSquirt my pants when this thing "comes out" and is ready to rock and roll. This blows the 8 injector setup away imo...

High high boost....total control over the fuel....SQUIRT!

:)
194, RE: 2GNT Megasquirt Wiring Diagram
Posted by xtrickedeclipsex, Dec-31-69 06:00 PM
It so happens that Mr. Slick flew down to LA on business, and he happen to be stay at a hotel like 4 min from my house…He just got done showing me the new shit, and it’s SOOOOOOOOOOOOOO AWSOME! OMG, I can’t Waite tell everything is done testing. We just got done doing some more tuning to the car, holy shit, it goes! Mr. Slick knows his shit!!!!
---------------------------------------

"Oh yea, well...My manifold does cool twisty things"

www.EnhancedMotorSports.com
195, RE: 2GNT Megasquirt Wiring Diagram
Posted by Eclipse2NR, Dec-31-69 06:00 PM
Awesome. MrSlick is going to be in Indy in December he said, so hopefully we get the chance to hang out. I'm working on a major project with my car right now. I'll make a post about my own stuff here in a minute...


1996 Eclipse RS / 5-Speed / Aerogear Body / Coated in Magnetic Red Metallic rev.2 / T3 Turbo Intercooled @ 8 psi / http://www.team2nr.com
Mark Galyan - Indianapolis, Indiana

196, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by Eclipse2NR
Awesome. MrSlick is going to be in Indy in December he said, so hopefully we get the chance to hang out. I'm working on a major project with my car right now. I'll make a post about my own stuff here in a minute... 1996 Eclipse RS / 5-Speed / Aerogear Body / Coated in Magnetic Red Metallic rev.2 / T3 Turbo Intercooled @ 8 psi / http://www.team2nr.com Mark Galyan - Indianapolis, Indiana


I'm going to be in Indy in December for sure... like 100% for sure, so yeah we'll have to hang out!
I'm going to be travelling a lot more now with business... so I hope to meet up with as many of my 2gnt brothers as I can... and I'm perfectly happy to help you work on your cars while I'm around if you need it...

So yeah make sure you get in touch with me closer to the PRI show and I can get you a pass to get in reserved :)

Brad might be driving up to Indy to hang out too... if I can convince him to drive his car up ;) Oh, and I will hopefully be bringing the Eclipse along with me...
197, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by xtrickedeclipsex
It so happens that Mr. Slick flew down to LA on business, and he happen to be stay at a hotel like 4 min from my house…He just got done showing me the new shit, and it’s SOOOOOOOOOOOOOO AWSOME! OMG, I can’t Waite tell everything is done testing. We just got done doing some more tuning to the car, holy shit, it goes! Mr. Slick knows his shit!!!! --------------------------------------- "Oh yea, well...My manifold does cool twisty things" www.EnhancedMotorSports.com


It's funny how these things work out isn't it ;)

I'm glad I got to hang out with you man and help you tune the car... glad I got your fuel pressure issues fixed for ya too :)
FOr those that were wondering his car didn't have a fuel return line, so the Aeromotive wasn't really doing anything... so I helped Chris install a return line on the car tonight and set his FP. Now his car runs pretty good ;)

Hey turby if your reading this... hit me up, I was hoping to get a chance to meet up before I fly out saturday... wanna drive up this way tomorrow night? (Friday night)
413, RE: 2GNT Megasquirt Wiring Diagram
Posted by baxsom, Dec-31-69 06:00 PM
i know this is bringing up an old post but i wanted to make sure i understood a part of the wiring diagram

for the fuel pump.
it says to cut a74 white/red at ecu and connect at fuel pump relay outlet.

am i correct in assuming that when you cut the wire you are hooking it up to the MS at point# 37 on the board while leaving it cut at the ecu so the the MS is controlling the fuel pump now?

will the ecu recognize that the line is cut or can i just tape off the cut end of the red/white wire at the ecu and call it good
417, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by baxsom
i know this is bringing up an old post but i wanted to make sure i understood a part of the wiring diagram for the fuel pump. it says to cut a74 white/red at ecu and connect at fuel pump relay outlet. am i correct in assuming that when you cut the wire you are hooking it up to the MS at point# 37 on the board while leaving it cut at the ecu so the the MS is controlling the fuel pump now? will the ecu recognize that the line is cut or can i just tape off the cut end of the red/white wire at the ecu and call it good


Exactly, this puts the FP under MS control...

In reality though you can leave it under control of the stock pcm, either way works.
And the stock pcm has no way of knowing that you cut the wire. ;)

I'm going to re-do the wiring diagram this week, maybe today to make it easier to understand. ;)
418, RE: 2GNT Megasquirt Wiring Diagram
Posted by baxsom, Dec-31-69 06:00 PM
other than that one issue on the fuel
it worked for me

it would be cool to see a complete install from start to finish
where to tap the intake and/or block for the air and coolant sensor
hooking up the wires to the ecu
the software in action
hell i would pay for the video

423, RE: 2GNT Megasquirt Wiring Diagram
Posted by MrSlick, Dec-31-69 06:00 PM
Originally posted by baxsom
other than that one issue on the fuel it worked for me it would be cool to see a complete install from start to finish where to tap the intake and/or block for the air and coolant sensor hooking up the wires to the ecu the software in action hell i would pay for the video


It's coming... ;)
426, RE: 2GNT Megasquirt Wiring Diagram
Posted by BOOSTED ECLIPSE, Dec-31-69 06:00 PM
Originally posted by baxsom
other than that one issue on the fuel it worked for me it would be cool to see a complete install from start to finish where to tap the intake and/or block for the air and coolant sensor hooking up the wires to the ecu the software in action hell i would pay for the video


That would be cool.

Lee, maybe you could come out with (Megasquirt and Spark For Dummies).lol :bash
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