General Tech Forums. I have. The MS3X has a copy of this circuit that is used for cam or second trigger input. Be sure to follow the guidance here to avoid common mistakes that will often lead to problems. Check Details Megasquirt ms3x wiring diagram. dependant on their location relative to their location in the harness. MS3X is designed to run logic "smart" coils specifically like the LSx types which are usually 4 or more wires. SAYS IF HALL SENSOR. I'm reaching wits end. 7 Tuning interface; 3: Wiring. I have some questions as I am hooking up the wiring. 1. 49 $ 6. x Does not apply to other Megasquirt products. The BMW E36 is a masterpiece of attention to detail. I'm an excellent solderer, but IMO wasn't worth the $200 difference to put it all together. The heart of the beast! A turbocharged 2JZ dancing to the tune of an MS3X ECU. MS3 Pro Plug and Play for 04-05 Mazda Miata Mazdaspeed Miata. On a V3. 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. MegaSquirt MS3X Wiring Harness – 8 feet 8′ of TXL High temp automotive grade wire. x See the Setting Up manual for more detail on version numbers. ModMotorMayhem. 3. SAYS IF HALL SENSOR. . 12 analog inputs plus built-in MAP, Baro, and internal ECU temp sensor. I have recently purchased the ms3x 3. 0 is an ECU based on Megasquirt-3 technology, consisting internally of an MS3 card and an MS3X expansion card installed on a through-hole DIY V3. This version of the documentation applies to: • MS3 on a V3. 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. And when grounding them to the Megasquirt when. 4 Fusing; 3. 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. MegaSquirt MS3X Wiring Bundle – Length = 23″. 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. 57 mainboard as it uses the same driver as the MS3X. yes i was aware of the pin number being incorrect when i was installing the harness. 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. Re: car wont start with new ms3x. MS3 3. Use the MS3X pull up jumper for the. You may have to register before you can post: click the register link above to proceed. Megasquirt-3 with MS3X. I have some questions as I am hooking up the wiring. 3: Wiring. Pelican Parts Forums > Porsche Forums > Porsche 911 Technical Forum: MS3X sync loss problems1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. I've already searched the archives and was unable to located anything beyond 1982. Connect it to pin 24 on the Megasquirt main board, or the Tach pin on the relay board. 8′ MegaSquirt Wiring Harness for MS3X. A main step in your MS3 Gold Box installation is connecting up the wiring. Would 18 gauge be alright to run from the MS. MegaSquirt MS3X Wiring Pigtail - Length = 24" 24" of TXL High temp automotive grade wire. Megasquirt MS3X > 3. 8′ MegaSquirt Wiring Harness for MS3X. g. 00 38NPT-Bung_A: Aluminum bung for IAT sensor (Also available in stainless steel) $6. MegaSquirt Relay Cable. MegaSquirt 3 ECU with MS3X Expansion. x See the Setting Up manual for more detail on version numbers. 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!. MegaSquirt MS3X Wiring Pigtail 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)- as for tach output, it seems that I use wire number 26 from the ms3x db37 to the tach. I was wondering if anyone has any information on how to wire a MSD 6AL ignition box to MS3 V3. More expensive standalone systems also. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. I have a m50 NON-Vanos motor with a Motronic 3. billr wrote: If it will fire while cranking, then die as soon as the key is released back to the "run" position, it seems like your primary problem is how the ignition switch is wired to provide power; probably has nothing to do with the tune. 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. MS3 code uses a somewhat different wiring pattern for the MS3X outputs. Add to cart. Customer leaves one star review because he expected the wire bundle to be 30" long. 8' MegaSquirt Wiring Harness (MS1/MS2/MS3 Ready) Add for $ 99. Pin 9 - Green / White. Ground – run the ground wire from the box to the corresponding injector. I've also tried the nitrous in. This product is manufactured in Gainesville, Georgia, USA. The R pin is the HEI module’s tach output. Add to cart. 57 with MS3X, use the Spark A output on the MS3X board (pin 14). 0 mainboard. 1. Re: MS3 knock sensor wiring question. Would 18 gauge be alright to run from the MS. Wire the distributor’s VR sensor to the HEI module VR inputs. 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. 5″ high. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. ,230/232 @. 4. From the factory it had the sensor mounted to the timing cover. 3. MS3/x ground wiring. 2014 BMW X1 35i MSport - single turbo N55 - stock! 2012 BMW X3 35i MSport - single turbo N55 - stock! (GONE)8′ MegaSquirt Wiring Harness (MS1/MS2/MS3 Ready) 5 out of 5 $ 99. Ok. 3. Color coded wiring with labeling printed on the wire every 6 inches — no paper tags here! Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods used on our harnesses) This is the harness for the MS3X Expansion board. I wrote the 3 wire mode so the 3-wire valve can be driven as the manufacturer intended. 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. . Standalone engine management system based on Megasquirt MS3x Processor and firmware with enhanced inputs and output ports in sealed enclosure and sealed automotive connector. ( 1 question) 5 out of 5 based on 4 customer ratings. 5 4. 00. Use these settings in TunerStudio. ( 7 questions) 5 out of 5 based on 6 customer ratings. The MS3 and MS3X do not put out enough juice to fire the factory coils, unlike the Chevrolet Coils which have built in ignitors,. GeorgePatches wrote: I actually found the answer on the megamanual website for the MS2. 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. 1 Wiring megasquirt tic b230 ms3x rele benzina pompaWiring ultimate ms3 pro ms3pro pinout diagram evo harness standalone megasquirt ecu engine manual downloads. From that same relay area, run a 12 gauge red wire all the way back to the ECU. Ms3x Wiring Png. MS3Pro Ultimate Configurable Inputs/ Outputs: 10 channel 4:1 or 8:2 programmable peak and hold injector outputs. . I've tried each wire from the sensor. Description. MegaSquirt MS3X wiring harness Install Pt. Install the firmware if. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. . Last edited by jeffmarsh750 on Mon Jun 02, 2014 5:46 am, edited 1 time in total. 6 > 88 Carrera wiring queries. Engine Management Systems. I installed a MS3 cable harness when I installed MSII last year. - Full custom harness builds - DIY wiring solutions - Circle track harnesses - Standalone installs. 21 the ecu powers on. 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. 57 with MS3X add on. So i could start to set the Tooth #1 Offset while cranking without sparks and a throttle body. 4 Crank / Cam Inputs The Crank and Cam sensors provide the. 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. 0 too, but the point gurov makes is fair - using identical drivers for both sides is good practice. MS3 wiring harness colours - standardisation. Anyone onto the questions. Help with traction control wiring and needs. The BMW E36 is a masterpiece of attention to detail. SAYS IF HALL SENSOR. i know i have 4 extra fuel/spark wires. Both on the. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . Joined: Mon Sep 19, 2011 6:10 pm. Description. 3) MS3 Cam Input (Dual VR v2. I use a VDO rpm 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. 5″ tall including the mating connectors. 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). 0 ECU, which is based on Megasquirt-3 technology and features an MS3 card and an MS3X expansion card on a through hole V3. 00. MS3X setup and comm issues. SAYS IF HALL SENSOR. That’s it! Using the MS-I PCBv3 or V3. 99. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 5 Sensor. 02 with MS3x board on a v3. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. At least that's what the wiring diagram that came with it says. DIYAutoTune Wiring Harnesses MS3X-Hrn. You will be using the MS3X Ignition Drivers NOT the Mainboard drivers. 4 coming shortly after this one. Color coded wiring with labeling printed on the wire every. 411 subscribers. All I have are the ignition coils from the original bike. Connect it to pin 24 on the Megasquirt, or the Tach pin on the relay board. 2. by lastermann » Tue Dec 27, 2011 6:27 pm. Everything checks good in the engine harness. For many first-time users, it may be tempting to re-use old connectors and 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). Injector wires are labeled, and are on the MS3x plug. A typical installation on a VG30E would use the following parts: $692. 12′ MegaSquirt Wiring Harness (MS1 / MS2 Ready) and possibly the MS3X Harness as well if you’re running the MS3X board. Salvage all of the mounting grommets and the penetration grommet. A New Chapter Begins: Meet the New Owners of DIYAutoTune/AMPEFI October 10, 2023. 2a. by Dennis930 » Fri Jul 30, 2010 1:56 am. Over Boost Switch - Left of center on front of IC – (930-606-101-00-M100) Pin 4 – Green / Red. I connected the "signal" grounds to the terminal where I ground all of the megasquirt grounds. it is already tuned for boost and you can literally just plug in the harness, fire it up. So the valve should be open 1/2 way; however, it seems that the. 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. 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. 3 Wiring Harness The Megasquirt can be supplied with a "pigtail" wiring harness to form the basis of your own wiring. 99. The MS3Pro LSX Series plug and play harness is professionally engineered and easy to install. Vehicle Info Required to Guarantee Fit. 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. Bosch, Lucas or whatever they chose stateside. I am hoping to test fire my car this week. 4 Scope of advice with MS3X; 2: Megasquirt System Hardware. 95 MS3TuneCable: USB communications cable for MS3 $952. The MS3Pro measures approximately 8. Free Shipping - DIYAutoTune MS3X-Hrn with qualifying orders of $109. MS3X wiring and settings. Both composite and tooth loggers completely lack input from the crank sensor. 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. ( 14 questions) 5 out of 5 based on 8 customer ratings. 3) MS3 Cam Input (Dual VR v2. Description MegaSquirt MS3X Wiring Bundle – Length = 8′ 8′ of TXL High temp automotive grade wire. Look foir Pt. Megasquirt-3 Setting Up manual PDF WWW. Would 18 gauge be alright to run from the MS. (no paper tags). comNeotech mega accordion harness Harness mega wiring ram 2006 cab dodge rear door mopar 2500 oem 2009Harness megasquirt 12ft. Includes complete Universal 8′ Flying Lead 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. Note that the DIY Autotune wiring harness has a shielded wire – connect only the inner wire to this pin! Connect the E pin to pin 27. 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 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. with 2 1990 ignitors feeding MSD blaster ss coils. 9K views 4 years ago. 99. Not including the connectors, the case itself is 1. SAYS IF HALL SENSOR. That will be plenty for a stock boosted engine. Get Connected. And used MS harness wire #30 to control the IAC valve. 00. All wiring is pre. 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. Shop Wiring Harnesses at Summit Racing. 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. Crank sensor is standard 3. 57 – The MegaSquirt 3 is a drop in daughter card that greatly expands the MegaSquirt’s functionality. MegaSquirt MS3X Wiring Pigtail – Length = 24″ 24″ of TXL High temp automotive grade wire. The MSD box says to wire the Violet(+) and Green(-) to the power and ground on the distributor. 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. Megasquirt will support 2 separate injector channels, meaning I need to It seems like you could more accurately emulate. Matt Cramer -1966 Dodge Dart slant six running on MS3X. 18" pigtail harness for VVTuner variable valve timing controller. It looks like both sensors use the same ground connection. 5 out of 5 $ 114. 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. 3. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. This is for a rear engine. I have one with with MS3X in my Squareback. 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. 8′ MegaSquirt Wiring Harness for MS3X. 99. 2. . 0 Hardware Guide 2. ) 5. now can i use the spare 4 fuel or. 57 with MS1/Extra firmware. 12′ MegaSquirt Wiring Harness (MS1 / MS2 Ready) and possibly the MS3X Harness as well if you’re running the MS3X board. IAC and Ignition wire have been added for MS-I / MS-2 use or MS-3 Primary Harness Use 8′ of TXL High temp automotive grade wire. 99. 1 uF capacitor from JS10 to SG or the proto area ground. I have wired in pull up resistors in the wiring for both so the MS3 gets a voltage it can process. 3) MS3 Cam Input (Dual VR v2. 8′ MegaSquirt Wiring Harness for MS3X 5 out of 5 $ 114. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 2 general purpose on/off outputs – can be repurposed as spark outputs with switchable pull ups. 57 is a little. The wiring harness connector is sold separately as we give you a choice of a ready-to-crimp connector, or a pre-crimped pigtail. They all go to the ground pins on the DB37 which all connect to the ground plane of the PCB. 57 w/MS3X with a 4 wire distributor? I have a 1987 Nissan 300zx and the dizzy is a 4 wire, power, ground, and 2 signal wire distributor. Regular price $114. Location: Va. once the computer is hooked up to a 12v circuit it works just fine so thankfully I built it right. 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. 57 Hardware Manual Megasquirt-3 Product Range MS3 1. 8′ MegaSquirt Wiring Harness for MS3X. Then I checked from the bulkhead to the Ms, that was good. jsimmons Experienced MS/Extra'er Posts: 207 Joined: Thu Jun 11, 2015 6:12 am. 1 ecu that is the vanos motor. Build the ECU up to trigger from the VR Input. 1988 Porsche 911 Carrera. Last. by lastermann » Tue Dec 27, 2011 6:27 pm. I am installing a 1997 Ford Explorer 5. Powers all the injectors. Also using a jimstim 2. You may have to register before you can post: click the register link above to proceed. 8′ of TXL High temp automotive grade wire. 4. DIYAutoTune Wiring Harnesses MS3X-Hrn. 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. 57 in car for the first time and am running diagnostics. 3) MS3 Cam Input (Dual VR v2. If I am using an MS3 with MS3X, do I use this harness or the MS3X harness? The MS3 with MS3X has two DB37 connectors, each of which use a harness. 0 engine in my 1988 Mustang that had a 4 cylinder previously. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. AI-enhanced title. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. 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. MS3Pro Ultimate Standalone w/ LSX drop in Harness. Connector Gender: Male. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. 0) or a 93-95 325i (E36, Motronic 3. Product Details. This manual contains a QuickStart Guide, installation, tuning and feature background information. 6 wires off main harness terminate on engine sensors and switches. What grade of wiring is used? This harness uses 20 gauge TXL high temperature automotive wiring. The harnesses worked out great but what I noticed was that I started soldering and heat shrinking before I had all of the wires ran so I. Re: Megasquirt ON BMW m52 Engine. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. and so on. 1 ecu that is the vanos motor. There is a recall on us crankps and they sell a wiring harness kit with it. SAYS IF HALL SENSOR. Top. the universal Terminator X 550-937 kit is like $1070. James1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. ~23″ of TXL High temp automotive grade wire. Not Yet Reviewed. 0. consider it time to get rid of that ratty old stock harness and do up a new one. 1. ( 8 customer reviews) $ 1,749. Internal pull up on a V3. 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. Tweet. 8′ of TXL High temp automotive grade wire. 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. 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. Would 18 gauge be alright to run from the MS. Is it using it's own pattern if the cam signal is not presant. Wire spark output A (MS3X pin 14) to the stock ignition module trigger wire. 3. for example 35x on second column means 35 pin on ms3x wiring diagram. We’ve got your MS3Pro ECU with drop-on/PNP LS Wiring Harness, ready to make the job EASY! News & Updates Read More. You may also consider switching to a VW coils, they're logic level and you don't. Obd1 and OBD2 cam sensors are 3 wire but the plugs are inverted male and female from obd1 to obd2. Dated: 2018-08-01. I have a m50 NON-Vanos motor with a Motronic 3. 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 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. 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. On to all the injectors. input wired with a 5v pullup. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 5 out of 5 $ 114. 99. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. 8′ of TXL High temp automotive grade wire. 0 Hardware Guide 1:Introduction The MS3X/V3. 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. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . . 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. Any help would be appreciated. My project is a NA TII 13b engine running the standard efi and ignition setup, the injectors are low impedance Series 4 injectors the Parts I am going to order from DIY Auto Tune are-12' MegaSquirt Wiring Harness [MSHarness12] Using the MS-III PCBv3. 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. External Ignition Wiring. And we offer volume discounts if you’re making a production run. SAYS IF HALL SENSOR. All that looks good, so I’m going to get a new sensor. MS3X/V3. 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 ?. 57 and both complete wiring harnesses already wired for a coil on plug 3rz-fe motor. MS3Pro Ultimate Standalone Engine Management System w/ Harness. 3. Re: car wont start with new ms3x. 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. 3) MS3 Cam Input (Dual VR v2. ( 8 customer reviews) $ 1,749. I even pulled the Ms out and made sure the jumper was installed for the cam input. 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. 00 MSHarness: 10' main board wiring harness $79. 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. This manual covers MS3X/V3. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . MS3 Pro Plug and Play for 04-05 Mazda Miata Mazdaspeed Miata. Wire the distributor’s VR sensor to the HEI module VR inputs. to the Megasquirt. 8′ of TXL High temp automotive grade wire. I purchased an aftermarket harness for it and that wiring was smaller. Been working on my MS3X board for quite a while (if anyone is debating buying the kit vs the pre-built, get the pre-built). Regular price $109. 500 Hwy 133. 6 Bench Test Wiring: MS3X/V3. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . Color coded wiring with labeling printed on the wire every 6 inches. 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. Se the following two screen shots. 3) MS3 Cam Input (Dual VR v2. With the jimstim hooked up it still says "not rpm synced". Does the DIY MS3 wiring harness have wires populated for these pins? (Pins 5-6 on the MS3 output). 1 PWM IAC output – can be repurposed as. Showing: 4 results for Wiring Harness near Victoria, BC. NB2 cars have the most straight forward installation. This only applies to the MS3X outputs (or on an MS3-Pro); the LED spark outputs use the same pattern as MS2/Extra so as to make it easier when upgrading from MS2 to MS3. 8. The R pin is the HEI module’s tach output. Would 18 gauge be alright to run from the MS. In the idle settings I have set the frequency to 195hz. Search; Contact; Facebook; Instagram; Join our mailing list. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 99. 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. the US Shift Pick-4 trans contoller is kinda expensive at $750 for harness and controller. 05-19-2017, 03:45 PM.