Db37 pinout megasquirt software

Megasquirtii is an addon option for a standard megasquirt controller. Earth the shielding braid at the megasquirt end only. The cool thing about the megasquirt software if their is a trouble spot, you can expand it and tune it more. Full kits are available as well as individual components. There are a few different megasquirt wiring diagrams floating around the internet. There are a number of tools and techniques you will need to wire microsquirt to your vehicle. Female db37 connector microstar laboratories knowledge base. Here is a stand alone wireing diagram from miatamoxie on. Following are the common or standard wiring pinouts for serial data.

Iac1a db37 pin 25 iac1b db37 pin 27 iac2a db37 pin 29 iac2b db37 pin 31. However some vary in regards to ground pin locations on the megasquirt db37 connector. Showmecables offers a wide variety of db37 connectors. The mspnp2 is designed and tested to work with the stock electronics, wiring. This page provides information on how the 4l80e automatic transmission from general motors operates with the megashift controller, as well as the tunerstudioms settings needed to configure the controller the 4l80e is a 4speed with overdrive, electronically controlled transmission, with ratios. Megashift 4l80e wiring gpio board from bowling and grippo. Make sure to use a mica insulator and plastic screw, or insulate a metal screw with a plastic insulator ring available at an electronics store. Call or chat today and we will recommend the right solution for you. First off here is the information thread for distro cars, link just in case someone is looking for that information. With mspnp2, weve already done the experimenting, programming, and wiring. This will be written from the m50 point of view and side note that its a turbo motor. Note that if you have the wiring connected incorrectly or if you dont know how to wire it because it is an undocumented type, wire it up as best you can. Megasquirt wiring to the disturber newbie and basic. These components are installed on the silkscreen side of the pcb, and in most case it will be easiest to solder them from the other side of the board.

Now i have found what looks like the most recent db37 pinout diagram but raised some doubt. Our general automotive wiring guide presents an overview of some things you need know for wiring and soldering, so read it first if you are not experienced in wiring aftermarket efi systems if you have questions, ask them on the forums at. These connectors mate with any other standard db37 connectors. I figured i would start a thread vice going direct to diyautotune with questions so others could learn with me and as a future. Megasquirt v3 main board megasquirtr faq main page. I found 3 db37 pinout schematics showing dramatically different ground outputs. Male db37 connector microstar laboratories knowledge base. Megasquirt pnp gen2 manual megasquirtpnp by diyautotune. The megasquirtii daughter card plugs in to the existing megasquirt processor socket, replacing the megasquirt 68hc908 processor. E28 megasquirt faq by bradley denton revised 010610 since there is a lot of interest in megasquirt as well as a lot of people on this board either using ms or planning to, i felt that i would try to help add to the knowledge base. Wireless freedom with bluetooth connectivity to your megasquirt.

However there are changes to both the front and rear panel. Figures 1a and 1b show the pinout when using the signals as singleended inputs on the male db37 connector on the msxb037, with the corresponding connections. Megasquirt fuel injector wiring efi tuning questions and. The db37 connector is commonly found on computers, electronic devices, daq equipment, and industrial controls. The iac ios on the ms are connected to these db37 pins. The insulation displacement idc contacts on these connectors allow them to be quickly and easily crimped onto 37wire flat ribbon cable. It is soldered near the db37 connector, and does not have a polarity, it can. If you just finished installing firmware to your megasquirt ecu, you probablly are. The tfi module is a gray box fitted to the side of the distributor. Megasquirt is the premier doityourself efi controller. Sep 12, 2007 fyi id be very leary off using the pinouts on e30tech. Please see for all of ms3pro plug and play documentation. The current problem is that when the revs reach about, the tunerstudio tach.

Cylinders 2,3,5,8 this is the wiring method generally recommended to reduce impact on the rails, although you can always run one side of the engine as one bank and one side as the other. I know that there are spares on the db37 and that i may have the odd extra cable in there for a few ms1 mods i have such as idle control but how come the black jumpered pins live on different connections where compared side by side. E28 megasquirt faq by bradley denton revised 010610. It was used on a number of fords engines, the efi 5.

Dsub cable, db37 male to db37 female wiring schematic pin out is straightthrough with shellshell connection highquality materials and workmanship fully shielded cable and connectors for protection against emi and rfi robust molded ends for durability and strain relief for long product flexlife. Hello fellow squirters, i have a ms1 v3 board running 029y3 i have done the board mods for running an edis system. Aside from one being balanced and the other unbalanced, eia422a and eia423a are identical. Megasquirt ms2 extra and microsquirt ecus feature a bus communication protocol based on can. To make sure you cant accidentally switch the upper and lower harnesses, the ms3x harness uses a male db37 connector instead of a female one. The fast idle port can flow up to 1 amp, has a connection on the db37, and is. The driving force behind this was the use of an integrated heat sink bus. Twin turbo, sequential injection, boost control the complete rebuild of my coupe is moving along and now i am to the wiring portion. Weve packaged a db37 male solder cup connector and a metalized plastic backshell for your ms3x builds. Forget anything you may have read about megatune or easytherm, it will not work with this ecu. Exactly, another definitive howto with actual information. Each kptuned megasquirt ecu is specifically modified for the intended installation with all additional circuits installed, a custom wiring diagram provided, preconfigured software and vehicle startup support available.

Proper grounding is one of the keys to a successful installation of any efi system, so we want to help remove. Ms3pro ultimate wiring pinout png ms3pro ultimate user manual pdf ultimate ls 24x quick start guide. I spent a few hours this week finally putting a ms setup on my personal 1995 gti vr6, and here is how it turned out. Hardware manual covering specific wiring and configuration of your megaquirt ms2v30. Note that the same db37 pins are used for stepper iac control with v2. I got a lot of feedback from the last one so i decided to make a writeup for the ms3. It is about one inch wide, and about four inches long.

Whether you are looking to gain indebt knowledge of efi by building a full featured ecu on your own, or simply want to save money building a proven reliable kit, from megasquirt origins the diy spirit is available in partial and complete kits. Rs449 was originally intended to replace rs232, but rs232 and rs449 are completely incompatible in mechanical and electrical specifications. Megasquirt acceleration enrichment tuning megasquirt db37 connector. Cut the shielded wire about one inch from the db37 and the separate out the inner core. Another potential source of confusion is that theres often multiple ways that can be made to work. Megasquirt in motronic boxeshow many ways can this be. At its core, the mspnp2 uses a microsquirt module running ms2extra firmware, combined with extension boards designed by. Megasquirt support forum msextra db37 pinouts view topic. The megasquirts db37 main connector has 37 total pins, hence the designation. Thick film ignition tfi modules were used on ford vehicles with distributors from the early 1980s to the mid1990s. Electrically, the soldering works fine from either side, but as you get more components on the. Proper grounding is one of the keys to a successful installation of. Just in case you need to know this for a cas install in an nb or for whatever reason, this is the cas pinout.

Here we have the megasquirt 2 v3 the main difference from the ms1 v3 is the ms2 daughter board in place of the ms1 chip, so can do all the ms1 can do and a lot more, for all the details have a good read of the ms extra manuals link above. Tunerstudio is the software application that is used to tune and configure your. Now the fun stuff can begin when we actually start wiring the megasquirt. The mspnpmm9093 is capable of sequential injection. You will need to wire up the injectors using this pinout for 9092 and 93 federal models. Analog 2 analog 1 calibration analog gnd system gnd heater gnd lc1 pinout 7 wire. My gt6 is still running on the carbs and distributor but i have attached a vr sensor and 361 wheel. Wiring up the cas to your megasquirt db37 connector its recommended that you use a shielded cable to connect to the cas. All megasquirt wiring harnesses use txl high temperature automotive grade wiring wires are preprinted with the ecu pin number and wire functions. Figures 1a and 1b show the pinout when using the signals as singleended inputs on the male db37 connector on the msxb037, with the corresponding connections on the female db37 connector on the cable.

Figures 1a and 1b show the pinout when connecting to the female db37 connector on the msxb075 and msxb076, with the corresponding connections on the male db37 connector on the cable. Microsquirt can bus is on its 35 pins connector while megasquirt ms2 extra can bus is on the 40 pins male connector shown here below and on the db37 connector available on its wiring. Bring the efan wire iac1a out to the front of the car around the driver side. Megasquirt ms2 extra microsquirt 2 wiring connection megasquirt ms2 extra and microsquirt ecus feature a bus communication protocol based on can. An option here is wiring switch for the igniter and injector paths so you can have either the ms or oem ecu control them at will.

The picture compares my db37 pinout to that of a generic ms db37. Does not apply to other megasquirt products or other firmware versions. Assembly guide for megasquirt main board version v3. For the msxb075, the signal and ground pins for dacout5 through dacout8 are not connected. Since there is a lot of interest in megasquirt as well as a lot of people on this board either using ms or planning to, i felt that i would try to help add to the knowledge base. Fyi id be very leary off using the pinouts on e30tech. The 6 pin chart is based off my current setup, and has been dead reliable since i installed it in 2007. Aim infotech megasquirt ms2 extra microsquirt release 1. With thousands on hand, our db37 connectors are ready to ship today. Aug 24, 20 hello fellow squirters, i have a ms1 v3 board running 029y3 i have done the board mods for running an edis system. This is one of the best db37 pinout diagrams ive seen that relates to the bmw wiring.

For the new megasquirt v3 main board, the case will be the same as used for the other megasquirt boards lmb 6x4 case or equivalent, however the endplates are different as the db connectors have moved. Megasquirt is all about education and learning its very existence came about as an effort to understand engine controls, and how to adapt to a multitude of applications. Db37 idc flat ribbon cable connectors winford engineering. So there is a vast sea of information available no other project offers this much information and practical installation tips. Note that the square and inline steppers have different connections below. Its unlikely you have a 7 wire lc1, but if you do ive included what i think is the proper connections. For example, irfz44 a specific component the injector driver fets. This has the mating db37 connector to plug directly into. Wiring, installation and tuning services are also available on site upon request. The 3rd option is wiring the db37 harness directly into the factory harness. It identifies signals td, rd, etc that correspond with the pin numbers for a balanced interface on db37 and db9 connectors. This is much more convenient and automatically powers on the adapter when you power on the ecu. Then the megasquirt website has the pinouts for the db37 plug. Cable wiring instructions for megasquirt ecu to relay board.