3. Help with traction control wiring and needs. MegaSquirt MS3X Wiring Harness for full sequential fuel injection and ignition, as well as tons of other I/O (Dual Stage Nitrous, 2nd O2 Sensor, Boost/Launch Control, etc) This is the harness build guide for the Megasquirt MS3X. MegaSquirt MS3X Wiring Bundle - Length = 8' 8' of TXL High temp automotive grade wire. sjpgoalie. The heart of the beast! A turbocharged 2JZ dancing to the tune of an MS3X ECU. MS3X/V3. I am getting ready to purchase a MS3X Kit, I just wanted to get anyone's ideas of anything I have missed. Some MS3X harnesses don't include shielded wire on their trigger input. For many first-time users, it may be tempting to re-use old connectors and wiring. 2. James1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. With my coils and injectors just an inch from the cam-wiring, its better to be safe than sorry. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. Wiring the engine harness to the MS harness has been pretty clear except for some uncertainties with the CKP input and what our setup is capable of. Ibrahim Nzioki On Twitter 2 Engine Harness Layout Since The Donor Was From An E36. ( 6 customer reviews) $ 1,599. Joined: Mon Sep 19, 2011 6:10 pm. At that time pin 2 on the MS3x connector was assigned as 12 VDC. I am opting to run sequential injection rather than bank-fire and will use an MSD box to fire the coil. Build the ECU up to trigger for inverted VR output. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. Yeah, you need to test each coil in test mode to make sure they're even wired up correctly. SAYS IF HALL SENSOR. Use the MS3X pull up jumper for the. 0 mainboard with MS3X as shown above running firmware MS3 1. 5 out of 5 $ 114. This 8′ wire with pre-crimped terminal can be poked into our MegaSquirt DB37 harness if an extra wire is needed for additional I/O (MSHarness12, available separately). Regular price $114. The MS3X/V3. The versatile MicroSquirt with 30″ Harness: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module- Version 3. Bought a used 6. For MS3, the second trigger wires to MS3X pin 32. Would 18 gauge be alright to run from the MS. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 1 ecu from bosch (Code 402) and have only been able to find wiring diagrams for the similar 3. 24″ of TXL High temp automotive grade wire. My formula SAE team recently acquired an MS3X ecu which we want to start running on our CBR 600 f4i, and I'm in the process of building the wiring harness and hooking up electronics. 4 Scope of advice with MS3X; 2: Megasquirt System Hardware. Each wire comes with stamped labels every 3" along the length of the wire for easy identification. There is a recall on us crankps and they sell a wiring harness kit with it. SAYS IF HALL SENSOR. A typical installation on a VG30E would use the following parts: $692. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. With this guide, no previous electronics or soldering experience is required. 0 Hardware Guide 2. We are almost done pulling wires in the engine bay at this point. ( 6 customer reviews) $ 1,599. 0 and higher code; some earlier codes used different wiring. 99. At least that's what the wiring diagram that came with it says. That puts the ground for both sensors going to the main board pin 1. 57 specific External pull up: Wire a 1K resistor in between pins 24 and 26 in the main board 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. 12-30-2011, 05:07 PM #10. Would 18 gauge be alright to run from the MS. This is the latest top of the range MegaSquirt ECU – the MegaSquirt 3 (MS3)! This controller is jam-packed with features found on aftermarket engine controllers costing 10X as much, yet is easy to use and configure!. MegaSquirt Wiring Harness - 8 Feet Long We've completely redesigned our wire harness to help you get your fuel injection installation right the first time with several new features to help make your installation as easy and reliable as possible:. C101 to X20 adapter is assuming you're removing the X20 from the E36 engine harness, and. 57 with MS3X add on. I've read the MS3 manual wrt grounding and understand importance of running grounds back to MS. the US Shift Pick-4 trans contoller is kinda expensive at $750 for harness and controller. This MS330-K kit includes everything you will need to build your MegaSquirt-3. 49 $ 6. I have a MS3 with expansion board MS3X. Worked all good in the Output test mode. i know i have 4 extra fuel/spark wires. I am now running wasted spark ignition on 6 cylinder BMW M30 engine. From that same relay area, run a 12 gauge red wire all the way back to the ECU. More expensive standalone systems also. Wiring the engine harness to the MS harness has been pretty clear except for some uncertainties with the CKP input and what our setup is capable of. 57 – The MegaSquirt 3 is a drop in daughter card that greatly expands the MegaSquirt’s functionality. 4 Scope of advice with MS3X; 2: Megasquirt System Hardware. 2 high impedance injector outputs – max peak current increased to 19 amps. 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. 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. SAYS IF HALL SENSOR. jsmcortina Site Admin Posts: 39392 Joined: Mon May 03, 2004 9:34 am Location: Birmingham, UK. 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. 99 JimStim-C: Assembled JimStim diagnostic board $17. 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. Be sure to follow the guidance here to avoid common mistakes that will often lead to problems. And used MS harness wire #30 to control the IAC valve. Hey Everyone. 99. 0pcb. Add Shielded Cable To MS3X Harness. 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. At least that's what the wiring diagram that came with it says. If you're out of MS3X outputs, you'll have to add mods to the main board. VISIT US. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . MS3 units with MS3Xpander will need a second wiring harness; we carry a ready made one priced at $86. Built a Megasquirt Computer to handle spark and ignition. yes i was aware of the pin number being incorrect when i was installing the harness. Will either of these things cause issues. Back then I installed the TIP122 as described in the manual page 44-45. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. Any help would be appreciated. I think I already know the answer to my question, but I want to ask first before I re-do my wiring. Wiring ms3x megasquirt ms3Ms3 pro ultimate wiring diagram Ms3pro a/c control wiringMegasquirt ms3x wiring diagram. 99. Color coded wiring with labeling printed on the wire every. Includes complete Universal 8′ Flying Lead Harness. 57 $ 659. The crank position input, is has the red wire from point 25 meeting the black from point 8 and then connecting to a blue and yellow wire at the pigtail. . For input I've tried datalog in, tableswitch, and the other ground switching input that I can't recall at the moment. the Foxbody 550-937F kit is $1230 and i think the difference is connectors, but my connectors are not all the same anyway. 2. MS3 code uses a somewhat different wiring pattern for the MS3X outputs. Obd1 and OBD2 cam sensors are 3 wire but the plugs are inverted male and female from obd1 to obd2. The spark wires might be custom or stock. I am using a preassembled ms3x system with a 3. I purchased the pre-assembled MS3 with MS3X board and the 24" harness for both and pretty much have it all figured out except for these options. 12 channels sequential fuel (hi-z injectors or low-z with. ( 4 customer reviews) $ 114. 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. Matt Cramer -1966 Dodge Dart slant six running on MS3X. 5 out of 5. Ms3x forums Megasquirt wire executing experiment mega ii plan part Ms3 and ms3x wiring questions Megasquirt ms3x wiring diagram. When I planned my harness I put in a few +12V circuits for supplying things like IAC, sensors, injectors, etc. so im getting ready to starting making up my harness for the 16v. -. 2 Megasquirt Installation; 2. 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. MegaSquirt MS3X Wiring Bundle – Length = 8′. Add to cart8′ MegaSquirt Wiring Harness for MS3X. the universal Terminator X 550-937 kit is like $1070. Connect it to pin 24 on the Megasquirt main board, or the Tach pin on the relay board. 00. I have the m50 cam position sensor installed as form my understanding this is the one megasquirt can read, and I have an m44 crank sensor installed. 5 out of 5 $ 114. 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). I'm an excellent solderer, but IMO wasn't worth the $200 difference to put it all together. 0 mainboard with MS3X as shown above running firmware MS3 1. DIYAutoTune Wiring Harnesses MS3X-Hrn. 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 DB37Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods used on our. Would 18 gauge be alright to run from the MS. Use a relay board and one of Mario's harnesses and you'll have a nice clean factory install. It ought to work with a modded V3. Color coded wiring with labeling printed on. MegaSquirt MS3X Wiring Bundle – Length = 8′. Megasquirt Ls Wiring Harness megasquirt wiring harness diagram,megasquirt 3 wiring diagram,megasquirt 2 wiring instructions,megasquirt 2 wiring diagram,maxxecu ls wiring harness,megasquirt ms3x wiring diagram,ls plug and play wiring harness,ls motor wiring harness, You can also use it to hold it on the barbs on. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! External Ignition Wiring. 99. . Modding And Setting Up Megasquirt MS3X Remove Stock Wiring and ECU Modify Stock Wiring Mount The Megasquirt ECU Install CLT and IAT Sensors Wire The Megasquirt MS1/MS2 Harness Into The Car Wire The Megasquirt MS3/MS3-Pro Harness Into The Car Wire The ECU Panel, Wideband and Fuel Pump Reassemble The Engine Bay. 3) MS3 Cam Input (Dual VR v2. 3. 0 mainboard. . Wire gauge on the ms3 pro harness. Not including the connectors, the case itself is 1. The cam sensor will go to the MS3X db37 but the ground. The recall puts it towards the bell housing. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. ) 5. I'm looking for a wiring harness diagram / schematic for a 1987 911. Connect it to pin 24 on the Megasquirt main board, or the Tach pin on the relay board. for example 35x on second column means 35 pin on ms3x wiring diagram. Pins 19 through 14 should remain bundled on an adequately sized ground wire to the engine block. COPs are from Toyota Highlander with 350 ohm input resistance. The MS3X also uses a similar VR conditioner for its cam input circuit that adjusts in the same way. 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. 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. Skip to content. With the jimstim hooked up it still says "not rpm synced". For a V3. 5 Sensor Inputs; 2. I spent a lot of time determining wire gauge and connector type needed to safely carry the loads. I double checked my wiring and everything is still hooked up correctly. 8′ MegaSquirt Wiring Harness for MS3X 5 out of 5 $ 114. You may have to register before you can post: click the register link above to proceed. 70 Subtotal without wideband . x See the Setting Up manual for more detail on version numbers. Distance. 99 Add to cart MegaSquirt 3 EMS System V3. 2003 Mustang 2V stock harness splice, MS3X v3. Find DIYAutoTune MegaSquirt MS3X Wiring Harnesses and get Free Shipping on Orders Over $109 at Summit Racing! DIYAutoTune MegaSquirt MS3X. Find DIYAutoTune MegaSquirt MS3X Wiring Harnesses and get Free Shipping on Orders Over $109 at Summit Racing! DIYAutoTune MegaSquirt MS3X wiring harnesses are 8 feet of TXL high-temp automotive grade wire. Add to cart. 3 high current digital/pwm outputs. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 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. I think I read some where that its all 20 gauge wire. . MS3 Pro Plug and Play for 04-05 Mazda Miata Mazdaspeed Miata. 0! Perfect for your motorcyle, snowmobile, or personal watercraft! Or control your auto trans. MS3X adds a lot of complexity to the MS experience. See t. This version of the documentation applies to: •. 99. 99 Add to cart MegaSquirt 3 ECU with MS3X Expansion 5 out of 5 $. 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. I've tried each wire from the sensor. Setup your vehicle wiring harness ensuring it is fused. by jsmcortina » Thu Aug 14, 2014 5:02 pm. 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; Just like a short run of the MS3X harness, but with no DB37 connector. Color coded wiring with. Top. 1. (no paper tags). At that. 50. Add to cart. 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. I have my Bosch 3 wire valve connected as described above with one side to Idle (pin 9) and the other side to Boost (pin 6) from the MS3X. Internal pull up on a V3. MegaSquirt MS3X Wiring Pigtail – Length = 24″. 0 or V3. The MSD box says to wire the Violet(+) and Green(-) to the power and ground on the distributor. 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. All wires are color coded and printed with their functions. 4. External Ignition Wiring. 3) MS3 Cam Input (Dual VR v2. 3. SAYS IF HALL SENSOR. Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods. 8′ of TXL High temp automotive grade wire. 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. 57 mainboard. 3) MS3 Cam Input (Dual VR v2. Hardware. I have just recevied a MS3 card and in anticipation of obtaining a MS3x, after reviewing the latest MS3x wiring schematic, pin 2 is now shown as a ground. Add to cart. For input I've tried datalog in, tableswitch, and the other ground switching input that I can't recall at the moment. Check Details Part 24: megasquirt ms3-pro. MS3X/V3. 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. Color coded wiring. Am I missing it or is there a color code key for the ms3x harness. Reviews . 4. From the factory it had the sensor mounted to the timing cover. 9 Magnum. 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. During installation I added the wire from S12 to C end of D1 on the MS3X card per page 231/2. 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. Then I checked from the bulkhead to the Ms, that was good. I have some questions as I am hooking up the wiring. 24″ MegaSquirt Pigtail MS3X Harness $ 79. HOWEVER when using the test page it seems that I am STILL not getting any spark signal from the. 1 Overview; 2. I'm currently working on the MS3 hardware manuals and as I've arrived at the table of wiring connections it has become obvious that the different existing manuals show different wire colours. I am able to read a signal on the wire to the harness. Post by Bahooki » Thu Feb 01, 2018 5:39 pm. MegaSquirt MS3X Wiring Bundle - Length = 8' 8' of TXL High temp automotive grade wire. And the newest version of tuner studio. 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. For a V3. 1988 Porsche 911 Carrera. I'm reaching wits end. External pull up: Connect a 1K resistor between the wire on pins 24 and 26 on the main board harness. MegaSquirt MS3X Wiring Bundle - Length = 23" ~23" of TXL High temp automotive grade wire. 1 PWM IAC output – can be repurposed as. 8′ of TXL High temp automotive grade wire. 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. Add to wishlist. I'm using 2 shielded 22AWG stranded 2 conductor wires for the CAS, and I'm not quite sure how I should route the 'cam' wire. Alot of time the shield wire of the crank wiring is left untouched, but it needs to be grounded. I am in the final stages of drawing up my wiring diagram for Megasquirt MS3X on a 3. 3. 1 ecu from bosch (Code 402) and have only been able to find wiring diagrams for the similar 3. . My firing order 1,3,7,2,6,5,4,8 SPKA - Coil #1. The engine, in particular, boasts a 10:1 compression. Megasquirt MS3X > 3. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. 99. Description. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. ( 1 question) 5 out of 5 based on 4 customer ratings. . 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. ect , and have all my wiring as per schematics on MS site. We’ve packaged a DB37 male solder cup connector and a metalized plastic backshell for your MS3X builds. What grade of wiring is used? This harness uses 20 gauge TXL high temperature automotive wiring. 2 digital outputs. 99. 1987 Supra - 2JZ-GE NA-T MS3 + MS3X Wiring Check. ) How small or large this is depends on the current flowing and the resistance of the ground wires. 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. Colors shown are for factory wiring harnesses. At that time pin 2 on the MS3x connector was assigned as 12 VDC. I did a MS3x install last winter and used DIY's 10' wiring harnesses. MS3/x ground wiring. Also using a jimstim 2. -. Connect it to pin 24 on the Megasquirt, or the Tach pin on the relay board. Top. 57 is a little. 9 Magnum. The MS3 case is like a 2 1/2" high version of a regular V3. However, a dmm reveals no shorts to ground in the crank sensor wiring and continuity between pins on the DB-37 and crank plug. Just like a short run of the MS3X harness, but with no DB37 connector. 49 $ 6. In step 22, install the stepper IAC jumpers (all of our assembled MS3 units are by default configured this way). SAYS IF HALL SENSOR. C1, and B1 body harness connectors to get power and the auxiliaries working. -. comNeotech mega accordion harness Harness mega wiring ram 2006 cab dodge rear door mopar 2500 oem 2009Harness megasquirt 12ft. Description. 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. I need some advice from the group. Re: Megasquirt ON BMW m52 Engine. Harness Length and get Free Shipping on Orders Over $109 at Summit Racing! Shop the Labor Day Deals and Save Now! Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchSimply choose your injector style from the drop down menu! This package includes an MS3Pro 1st Gen ECU. Re: car wont start with new ms3x. I am hoping to test fire my car this week. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 0 Hardware Manual - Megasquirt UK Official SiteThis manual provides detailed instructions and diagrams for installing and configuring the MS3X/V3. The MS3 and MS3X do not put out enough juice to fire the factory coils, unlike the Chevrolet Coils which have built in ignitors,. 3. The R pin is the HEI module’s tach output. My questions: 1. 99. I currently have the recommended tach driver mods installed per MS2/Extra ignition description (which work). If you're out of MS3X outputs, you'll have to add mods to the main board. Anyone onto the questions. 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. 5 out of 5 $ 114. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 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. Add to cart. 1. I will include an MS3X and MS3-Pro wiring diagram and put MS3-Pro equivalents in brackets when referring to MS3X wire names and pin numbers. The MS3X has a copy of this circuit that is used for cam or second trigger input. Would 18 gauge be alright to run from the MS. I installed a MS3 cable harness when I installed MSII last year. While this is generally OK for hall sensor use, our VR sensors output a far lower signal at low engine speeds and are far more susceptible to noise. The BMW E36 is a masterpiece of attention to detail. MS3 wiring harness colours - standardisation. MegaSquirt-I Relay Cable (if you’re using the relay board and cable, you don’t need the standard MSHarness12, see note in product description)We carry 8′ wiring harnesses for $83 that are designed to be adapted to any engine. 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’I'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. It is capable of controlling sequential injection on engines up to 8 cylinders, or semi-sequential up to 16 cylinders, combined with direct fire ignition for. 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. The aim is to be most helpful to the customer with least confusion. Se the following two screen shots. 8′ MegaSquirt Wiring Harness for MS3X. Use these settings in TunerStudio. 1. 1. 050 on 114LSA cam sequential fuel and sequential spark LS3/LSA card MAF sensor 97 Mazda MX5 MS3 2002 vvt motor. Free Shipping - DIYAutoTune MS3X-Hrn with qualifying orders of $109. 5″ long (including the mounting ears), 4-5/8″ wide, and 2. 00 StimPower: JimStim power supply $83. This Excel file details the required connections for Megasquirt 3 (MS3) and the Megasquirt 3 Extender (MS3x), using an 88 pin connector and wiring harness from either the 1992 325i (E36, Motronic 3. MegaSquirt MS3X Wiring Bundle – Length = 23″ ~23″ of TXL High temp automotive grade wire. 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. 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. 1 Overview; 2. Uploaded by Ojeda Orlando. With the jimstim hooked up it still says "not rpm synced". AI-enhanced title. The wire colours are not chosen at random, but rather have logic to them. The versatile MicroSquirt with 30″ Harness: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module- Version 3. 18" pigtail harness for VVTuner variable valve timing controller. Post by shiftin04 » Thu Jul 08, 2021 3:06 pm. 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. 6 digital inputs. B1 - ECU Ignition Switch:. MegaSquirt MS3X Wiring Harness for full sequential fuel injection and ignition, as well as tons of other I/O (Dual Stage Nitrous, 2nd O2 Sensor, Boost/Launch Control, etc)This is the harness build guide for the Megasquirt MS3X. Joachim. Product Details. 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. 8 logic level ignition outputs. Wiring harnesses at carid. $79. C4 Tech/Performance - MS3X wiring to 91 HEI7 and ECM harness - Can someone confirm the C3, C9 and D13 ECU pin out function names and wiring colors pls? Bentley and Chevy Thunder are not consistent when describing these three. Description. 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. x See the Setting Up manual for more detail on version numbers. Using FIDLE and Idle will certainly be ok with the 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. nathaninwa Super MS/Extra'er Posts: 2628 Joined: Wed Sep 15, 2004. it's POSSIBLE the PO set it up in wasted spark (basically 1 wire will trigger cyl 1 and 4, the other 3 and 2) but that isn't likely if he's bought the harness from DIYPNP and I believe it has provisions for full sequential spark. Where is this harness manufactured? It is assembled in the USA. the MS3X plug for sequential fuel and injection requires its own harness. 3 high current digital/pwm outputs. Wiring Fuel System Fuel System Menu; Fuel System ALL FUEL SYSTEM. D LS truck coils (round w/ heatsink style). B1 (Relay Ground for Fan) 12v Switch 5vRef Grounds Dedicated Ground MS3X Board: Inj. . MegaSquirt MS3X Wiring Harness – 8 feet8′ of TXL High temp automotive grade wire. 5 out of 5 $ 114. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 99. I used a short ignition cable to be able to use the timing light. Wire to pin 8 for 1G and 2G MS3X connector: pins 2, 3, 8, 12, 17 Wire with your grounds from the mainboard pin 4 Injector F output (cyl 6) Wire to pin 16 for 1G and 2GRe: MS3+MS3X and the EEC-IV adapter board Post by xrattiracer » Sun Mar 28, 2010 5:50 am what exactly would be the point of using a ms3x with the stock ford harness? you would have to add all sorts of extra wires for the extra functions anyway. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. 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.