Ms3x wiring harness. The versatile MicroSquirt with 8 foot harness- Version 3. Ms3x wiring harness

 
The versatile MicroSquirt with 8 foot harness- Version 3Ms3x wiring harness  We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3

Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy d. MegaSquirt MS3X Wiring Bundle – Length = 23″. there are some other controllers that. 99. Add to cart8′ MegaSquirt Wiring Harness for MS3X. The dialing the computer in ect. 3. Regular price $114. I know there is a wiring problem somewhere and expected so because I'm splicing into the factory harness. SAYS IF HALL SENSOR. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37. 8′ MegaSquirt Wiring Harness for MS3X. Everything on the jimstim works too except the rpm signal. 1. With this guide, no previous electronics or soldering experience is required. x card will need to be able to manage a 1992 f150 4wd 351w with MAP efi? also i see diyauto tune sells wires for the ms wiring harness that is 20 gauge. 57 $ 659. This model is equipped for basic, batch fire, but can be expanded to add sequential injection and 8 channel ignition control with an MS3X card (sold separately). MegaSquirt MS3X Wiring Harness – 8 feet 8′ of TXL High temp automotive grade wire. Add to cartToday's Posts; Member List; Calendar; Forum; E30 Technical Forums; General Technical; If this is your first visit, be sure to check out the FAQ by clicking the link above. So the wire diagram shows the crank sensor the ground going to pin 1 on the MS3 main connector. Megasquirt will support 2 separate injector channels, meaning I need to It seems like you could more accurately emulate. Hardware manual covering specific wiring and configuration of your Megaquirt MS3X/V30 ECU. MegaSquirt MS3X Wiring Bundle - sequential fuel injection and ignition (Dual Stage Nitrous, 2nd O2 Sensor, Boost/Launch Control, etc) 23" LongMs3 wiring diagram ms3x tracking gauge issues down help megasquirt questions grounding question miata o2 turbo fuel reply miataturbo portsWideband aem ms3 canbus pnp 2001 straightforward helpful Wiring diagram megasquirt sensor ms2 ms3 crank position harness diyautotune fc db37 ms1 switch work signal rpm problem thumbnail. 57, solder a 1K resistor in the R57 position. Add to cart. See the MS3 manual wiring diagram for how to wire it up. Description. SAYS IF HALL SENSOR. Depending on your fan, this may or may not be adequate. This manual contains a QuickStart Guide, installation, tuning and feature background information. . To make sure you can't accidentally switch the upper and lower harnesses, the MS3X harness uses a male DB37 connector instead of a female one. yes i was aware of the pin number being incorrect when i was installing the harness. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 99 Quantity Add to cart MegaSquirt MS3X Wiring Harness – 8 feet 8′ of TXL High temp automotive grade wire. Diyautotune harnesses. And the newest version of tuner studio. 57 assembled kit, both harnesses,elec boost controller,iac adaptor . Found it relatively cheaply at 4K. At that time pin 2 on the MS3x connector was assigned as 12 VDC. 2. And used MS harness wire #30 to control the IAC valve. 3) MS3 Cam Input (Dual VR v2. Boscobel, WI 53805. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. MS3 Pro Plug and Play for 04-05 Mazda Miata Mazdaspeed Miata. Sort. Ls1 ecm wiring diagramCommodore vy ls1 vz ecu pcm vx loom outs diagrams efi Ford wiring lincoln idmsvcs tidbits imageservice harnes2002 lincoln ls need wiring diagram for heater. The MS3Pro measures approximately 8. Megasquirt diagram wiring ms3x ms3 computer honda efi engine wire fuel source iq installation injection [diagram] megasquirt relay board diagram20 beautiful megasquirt wiring diagram Megasquirt relay board harness did own adRelay board mod: 2-wire pwm air valve + electric fan relay. Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods. This article does not apply to LM1815 circuits, such as the Zeal daughter board. View Profile View Forum Posts. I connected my "PWR" grounds from the LS1 coils to the engine block on a short run of wire to keep them out of the wire loom. I've also tried the nitrous in. To make sure you can't accidentally switch the upper and lower harnesses, the MS3X harness uses a male DB37 connector instead of a female one. 18" pigtail harness for VVTuner variable valve timing controller. Get a Quote. Color coded wiring with labeling printed on the wire every 6 inches. 0 MicroSquirt with 8′ Harness is an entry-level, fully assembled ECU and universal 30″ pigtail with varied applications targeting power sports, single cylinder all the way up to 8 cylinders with up. 95 MS3TuneCable: USB communications cable for MS3 $952. 0 or V3. 0 or V3. 1 Best Practices. 5 PWM outputs. 4 Crank / Cam Inputs; 2. There are aftermarket versions of this controller out there with harnesses for under $30. The heart of the beast! A turbocharged 2JZ dancing to the tune of an MS3X ECU. MegaSquirt MS3X Wiring Bundle - Length = 23" ~23" of TXL High temp automotive grade wire. Included is a MegaSquirt-III Engine Management System w/PCB3. Made of the same TXL rated automotive grade. To start viewing messages, select the forum that you want to visit from the. Not Yet Reviewed. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. There is a recall on us crankps and they sell a wiring harness kit with it. 1. Includes complete Universal 8′ Flying Lead Harness. The engine harness is the later 82-83 ZXt style but the distributor end with the round four-prong one-way-fit plug was cut off and the. 99. Hi, Just putting my wiring harness together to power 4 LS2 coils sequentially on a Miata. 3. MegaSquirt 3 Engine Management System w/PCB3. my components are a turbo ABA vw using factory crank trigger and a single. We've packaged a DB37 male solder cup connector and a metalized plastic backshell for your MS3X builds. This version of the documentation applies to: •. 6 with itbs & ms3x into g50 carrera – the story so farI have an m52 b28 in my car, running the obd2 harness spliced to my MS3x harnesses. . 8′ MegaSquirt Wiring Harness for MS3X. MS3 on a V3. I think I already know the answer to my question, but I want to ask first before I re-do my wiring. Joined: Mon Sep 19, 2011 6:10 pm. Wiring Harness Adapter Guide For E30 M60 And Obd 1 M62 Swap Pinout A Cheap Way Of Getting X20 C101 Connectors Rts Your Total Bmw Enthusiast. but also more difficult because there are way more wires and sensors in the engine wiring harness to connect to, especially the US. I have the MS3X harness wired up to the Quadspark but can't find any info on how to wire the Quadspark to the Ford factory coils. 3) MS3 Cam Input (Dual VR v2. Use a relay board and one of Mario's harnesses and you'll have a nice clean factory install. . GeorgePatches wrote: I actually found the answer on the megamanual website for the MS2. . 5 out of 5 $ 114. Built a Megasquirt Computer to handle spark and ignition. SAYS IF HALL SENSOR. -. This terminal is also grounded to the engine block. 3. Setting Up. MS3X MegaSquirt 3 with expansion arrives equipped with features surpassing MS2 and MS1 systems, like sequential fuel and spark, 2 step, progressive nitrous, boost control, onboard traction control and much more!. x Dated: 2015-06-03 Hardware manual covering specific wiring and configuration of your Megaquirt MS3X/V357 ECU. Pin 9 - Green / White. 99. I'm tapping into the connector in the tunnel. On to all the injectors. Add to cart. $79. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37. All that looks good, so I’m going to get a new sensor. What sort of serial cable does it use? It uses the same DB9 to 2. SAYS IF HALL SENSOR. MegaSquirt MS3X wiring harness Install Pt. I connected my "PWR" grounds from the LS1 coils to the engine block on a short run of wire to keep them out of the wire loom. Connect the 12 gauge red fan power wire to a spare terminal on the fuse. We are almost done pulling wires in the engine bay at this point. This model is equipped for basic, batch fire, but can be expanded to add sequential injection and 8 channel ignition control with an MS3X card (sold separately). Filter (0 active) Filter by. Description. 99. Terminal Type: Pin. Wire gauge on the ms3 pro harness. 3) MS3 Cam Input (Dual VR v2. Last edited by jeffmarsh750 on Mon Jun 02, 2014 5:46 am, edited 1 time in total. We’ve packaged a DB37 male solder cup connector and a metalized plastic backshell for your MS3X builds. Click here to download the standard MS3Pro documentation. 99. by lastermann » Tue Dec 27, 2011 6:27 pm. The BMW E36 is a masterpiece of attention to detail. ( 4 customer reviews) $ 114. I am also using the MS3X to drive my injectors and pin 36 on my mainboard harness only switches my CDI on and off for ignition so my mainboard harness doesn't really need to sink alot of. Would 18 gauge be alright to run from the MS. I've also tried the nitrous in. ) 5. Hardware manual covering specific wiring and configuration of your Megaquirt MS2/V357 ECU. dependant on their location relative to their location in the harness. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy d. Build the ECU up to trigger from the VR Input. SAYS IF HALL SENSOR. 3) MS3 Cam Input (Dual VR v2. SAYS IF HALL SENSOR. Today's Posts; Member List; Calendar; Forum; Saturn Related Forums; Saturn Performance; Tuning / Fuel Management; If this is your first visit, be sure to check out the FAQ by clicking the link above. Boscobel, WI 53805. x card will need to be able to manage a 1992 f150 4wd 351w with MAP efi? also i see diyauto tune sells wires for the ms wiring harness that is 20 gauge. Ground &#8211; run the ground wire from the box to the corresponding injector. Re: Megasquirt ON BMW m52 Engine. MegaSquirt MS3X Wiring Pigtail - Length = 24" 24" of TXL High temp automotive grade wire. MegaSquirt MS3X Wiring Harness – 8 feet 8′ of TXL High temp automotive grade wire. ( 6 customer reviews) $ 1,599. 57 Hardware Guide 1: Introduction The MS3X/V3. 60. Includes complete Universal 8′ Flying Lead Harness. VISIT US. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. 24″ MegaSquirt Pigtail MS3X Harness $ 79. I have a couple questions I have some resistors to be able to run TFI as well as the ms3x card so I can easily run my PWM IAC and my A/C. 3) MS3 Cam Input (Dual VR v2. If someone with more experience could look over my setup I'd be ecstatic I know there is a wiring problem somewhere and expected so because I'm splicing into the factory harness I have 3 out of 8 injectors firing <-FIXED and no spark when running test. Wiring harnesses at carid. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. COPs are from Toyota Highlander with 350 ohm input resistance. 2 digital outputs. There is a recall on us crankps and they sell a wiring harness kit with it. 5 out of 5 $ 114. My firing order 1,3,7,2,6,5,4,8 SPKA - Coil #1. 57 – The MegaSquirt 3 is a drop in daughter card that greatly expands the MegaSquirt’s functionality. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . You may have to register before you can post: click the register link above to proceed. The spark wires might be custom or stock. The R pin is the HEI module’s tach output. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags here! Use with MS3X Expansion board or other sequential device. Regular price $2,099. 0, wire TachSelect to VRIN and TSEL to VROUTINV. I connected the "signal" grounds to the terminal where I ground all of the megasquirt grounds. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. 2a. 5 out of 5 $ 114. 1. They are very nice and fully labeled (printed labeling on the wires) with split loom covering. 57 – The MegaSquirt 3 is a drop in daughter card that greatly expands the MegaSquirt’s functionality. x card will need to be able to manage a 1992 f150 4wd 351w with MAP efi? also i see diyauto tune sells wires for the ms wiring harness that is 20 gauge. . You will also need to connect 330 ohm, 1/4 watt resistors from TPS VREF (pin 26) to both the low resolution signal and the high resolution signal to provide a pull-up in the wiring harness. Standalone engine management system based on Megasquirt MS3x Processor and firmware with enhanced inputs and output ports in sealed enclosure and sealed automotive connector. I'm setting up my wiring for my Dodge Van with 5. MS3X/V3. Megasquirt-3 with MS3X. We've wired up Megasquirt (MS2, MS3X, MS3Pro) from scratch, AEM FIC, AEM EMS-4, FuelTech, Haltech, and can wire up anything else if desired. ,230/232 @. Hi All, I just recieved my MS3x and wiring harness yesterday, and have been looking for diagrams to use to wire it in to my car. 31. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. Connector Gender: Male. I have a couple questions I have some resistors to be able to run TFI as well as the ms3x card so I can easily run my PWM IAC and my A/C. Just like a short run of the MS3X harness, but with no DB37 connector. 6 with itbs & ms3x into g50 carrera – the story so far MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. MegaSquirt 3 Engine Management System w/PCB3. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’One 12V, one ground, one crank sensor and one cam sensor. 180-0715 Wiring Harness - Direct Fit, Sold individually. MS3Pro Ultimate Standalone w/ LSX drop in Harness. But my big brain figured to follow MS3x directions and redo the wiring harness. I've recently finished my MS3X setup on a 96 2. I like using the relay boards because they simplify the wiring process and they make it a lot easier to have a clean install. AI-enhanced title. Wire wiring ms3x g2 sensor forums porsche deleted ground engine should redMegasquirt ms3x wiring harness install pt. 5″ high. 50. Hello,. x See the Setting Up manual for more detail on version numbers. 3. 99. x. MegaSquirt Wiring Harness 8' MegaSquirt Wiring Harness 8' Regular price $99. It sounds like your saying I cant do that but just move the GREEN and RED wiring from my LED's to the ms3x expansion board itself. Would 18 gauge be alright to run from the MS. SAYS IF HALL SENSOR. The wiring diagram looks very nice. I am now running wasted spark ignition on 6 cylinder BMW M30 engine. SKU: MS3X-Hrn Categories: MegaSquirt 3, MegaSquirt 3, Wiring Harnesses & Wire Bundles Tags: 3, 357, harness, iii, mega, megasquirt, megasquirt3, ms3, ms3x, squirt, wire, wiring Brand. 3. 70 Subtotal without wideband . the Foxbody 550-937F kit is $1230 and i think the difference is connectors, but my connectors are not all the same anyway. Everything on the jimstim works too except the rpm signal. MegaSquirt MS3X Wiring Pigtail – Length = 24″. But what if you’d like to see the inputs and outputs on the MS3X expansion card in action, too? Now it’s easy – just add a JimStimX! Use the three pull-off jumpers on the JimStim to connect the 5 volt power, ground, and cam signal to the JimStimX, and you can test the outputs with the. 4 Scope of advice with MS3X; 2: Megasquirt System Hardware. 5″ tall including the mating connectors. 57 is an ECU based on Megasquirt-3 technology, consisting internally of an MS3 card and an MS3X expansion card installed on a surface mount V3. Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy d. Sensors should be grounded AT the Megasquirt, not at the engine. MS3 3. 1). MS3 3. I am using a preassembled ms3x system with a 3. $99. Get the serial comms set up. I have a couple questions I have some resistors to be able to run TFI as well as the ms3x card so I can easily run my PWM IAC and my A/C. 3 Wiring Harness The Megasquirt can be supplied with a "pigtail" wiring harness to form the basis of your own wiring. 57 board, the ms3x wiring harness, 7mgte CPS and am getting decent cam/crank signal(not full sync yet, however I have full sync at crank and up to around 1000rpm, but that's another topic). 3) MS3 Cam Input (Dual VR v2. 00 StimPower: JimStim power supply $83. 1. I'm trying to avoid having a couple of fine wires needing to jump across from the MS3x harness to the MS3 harness. Run this resistor-on-a-wire from the 5 volt terminal in the proto area to the same input pin (SPR1 or PAD7) used in the previous step. 0 Hardware Guide 2. Sequential Fuel and spark plus a WHOLE LOT more! Professionally engineered and easy to install, fire up your L-series engine on day one! All wiring is composed of, self-extinguishing wrapped hi-temp TXL automotive grade wire with OEM connectors. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. Matt Cramer -1966 Dodge Dart slant six running on MS3X. The stock wires might work by just looping the extra length of wire-if you can picture that. From that same relay area, run a 12 gauge red wire all the way back to the ECU. The versatile MicroSquirt with 8′ Harness: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module- Version 3. That is the one part of the harness I did cut, and rewired the IAT wire to the GM sensor I installed in the y-pipe. Find Parts and Accessories ms3x KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Get Off-Road With Savings on Select Jeep® Products! Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchI've personally found PWM valves a little easier to configure - you just need to set the frequency (Ford runs theirs at 300 Hz) and adjust the duty cycle until you hit your desired RPM. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags. Anyone onto the questions. I have a MS3 with expansion board MS3X. 0 parallel install, full sequential, HPX MAF, Ford Ev6 47lb injectors, COP, custom 8 BIP373 box, E85 pump, teflon lined return style fuel system, 39 lb base fuel pressure, Twin Turbo @ 7lbs boost, Dual 4 port boost solenoids, Dual 14point7 widebandsPosted January 28, 2014. 2 digital outputs. The versatile MicroSquirt with 30″ Harness: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module- Version 3. - I assume that the signal from the Vortec distributor goes to the nr 32 wire of the ms3X harness which says that this is for the cam Hall sensor. I have recently purchased the ms3x 3. I even pulled the Ms out and made sure the jumper was installed for the cam input. Add. On to all the injectors. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . VVTuner 18″ Pigtail Wiring Harness $ 34. 2. The MS3Pro Module is approximately 5. New MS3X wiring products available Post by Matt Cramer » Wed Oct 06, 2010 10:12 pm In addition to our new MS3X harness , we've used our new harness-building equipment to come up with three other MS3X related wiring items:Anyone onto the questions. 57 board with MS3X board. I bought a de-pin tool so I can repin my DIY harness and have done it exactly as shown in the first diagram (ms3x) - with each sensor getting a ground wire. This product is manufactured in Gainesville, Georgia, USA. i will update this as frequent as i have questions which im sure will be alot due to this being my first car ill be wiring up myself. harness side) when showing db37 pinout at all times. 99. There are 3 or 4 MS side harnesses that are about 14" long, they all come from the MS3X pigtails and go to those gray multiplugs. With my coils and injectors just an inch from the cam-wiring, its better to be safe than sorry. For MS3, the second trigger wires to MS3X pin 32. 5 out of 5 $ 114. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy d. The goal is to get the VE table to generate and AFR out the exhaust as close to the target AFR as possible. I am using the Megasquirt 3 with MS3X expansion. 3. Use the MS3X pull up jumper for the. So the valve should be open 1/2 way; however, it seems that the. Manual and Guide Full List. MS3base/V3. I am getting ready to purchase a MS3X Kit, I just wanted to get anyone's ideas of anything I have missed. 5 out of 5 $ 114. I installed a MS3 cable harness when I installed MSII last year. consider it time to get rid of that ratty old stock harness and do up a new one. 00. 3 high current digital/pwm outputs. MegaSquirt DIYAutotune SystemsFind Wiring Harnesses 8 ft. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags here! Use with MS3X Expansion board or other sequential device. The MS3X has a copy of this circuit that is used for cam or second trigger input. 1 uF capacitor from JS10 to SG or the proto area ground. 0 0 Hardware Guide General layout for 4-cyl coil-on-plug using LS coils. ~23″ of TXL High temp automotive grade wire. 3. 3. Matt Cramer -1966 Dodge Dart slant six running on MS3X. MegaSquirt MS3X Wiring Bundle - Length = 8' 8' of TXL High temp automotive grade wire. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. $23. Distance Rating. You don't need that ignition module, you ve COP on your car and you need to find a way to ignite your coils with MS3X spark outputs. 0 mainboard with MS3X as shown above running firmware MS3 1. - MS3 V3. I am able to read a signal on the wire to the harness. Add to cart. I have a couple questions I have some resistors to be able to run TFI as well as the ms3x card so I can easily run my PWM IAC and my A/C. 57, put main board JP1 in the 1-2 position and J1 in the 5-6 position. x card will need to be able to manage a 1992 f150 4wd 351w with MAP efi? also i see diyauto tune sells wires for the ms wiring harness that is 20 gauge. 57 is an ECU based on Megasquirt-3 technology, consisting internally of an MS3 card and an MS3X expansion card installed on a surface mount V3. 7 Tuning interface; 3: Wiring. 00 MS3X357-C_BL: Assembled Megasquirt-III V3. Location: Va. - Full custom harness builds - DIY wiring solutions - Circle track harnesses - Standalone installs. Had a question about the signal ground to MS3 (Pin B) - I assume since the coil switching is coming from the MS3X board it would be better to ground to this rather than the main board ? MS3Pro Ultimate Standalone Engine Management System w/ Harness. now can i use the spare 4 fuel or. 0 and higher code; some earlier codes used different wiring. Should I split the signal ground wire out of the shield before the MS3X DB37, and route it to its own dedicated pin on the main DB37. 99. Worked all good in the Output test mode. nathaninwa Super MS/Extra'er Posts: 2628 Joined: Wed Sep 15, 2004. 3. Description. My questions: 1. (This is ohms law. I was poking around tuner studio and noticed that I had the ability to set the firing order once I. Check Details Part 24: megasquirt ms3-pro. External pull up: Connect a 1K resistor between the wire on pins 24 and 26 on the main board harness. Everything checks good in the engine harness. All wiring is automotive grade and the connector hood is metal. I am now trying to wire together an ignition system, but I'm essentially starting from scratch. Install TunerStudio and Megalogviewer software onto you computer. #32. 99. 3) MS3 Cam Input (Dual VR v2. Anyone onto the questions. Top. 00 MS3X-Hrn: 10' MS3X wiring harness $22. 00. ( 4 customer reviews) $ 114. Ls1 ecm wiring diagramMs3/ms3x/ls2- full sequential fuel and spark 2002 lincoln ls wiring diagram collectionLs430 harness clublexus netbook. 57 mainboard as it uses the same driver as the MS3X. ( 14 questions) 5 out of 5 based on 8 customer ratings. James1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. (no paper tags). Shop for the best Fuel Rail Pressure Sensor Connector for your vehicle, and you can place your. Color coded wiring with labeling printed on the wire every 6 inches — no paper. Add to cart I use an MS3x for a completely custom vehicle (engine is a 2. Check Details Megasquirt ms3x wiring diagram.