I would recommend wiring each injector individually back to the db37 if possible then ifwhen you choose to go ms3, you are ready to go. Db37 female 37pin port plug adapter connector terminal. Kentek 10 feet ft db37 serial extension cable cord connector 28 awg molded rs449 37 pin male to female mf for pc mac printer network modem. The 3rd option is wiring the db37 harness directly into the factory harness. These top quality cables feature metal amp hoods and a shielded tach wire. I wired mine, 46 which was how the carrera wiring was setup. I choose megasquirt as it met all of these criteria. The db37 will be attached on the side closest to the hole in the firewall and the db9 tuning cable has to have enough room for easy connections. Cut the shielded wire about one inch from the db37 and the separate out the.
I just uplug my aem and plug in the ms2 and it works fine. Bring the efan wire iac1a out to the front of the car around the driver side. Db37 adapter terminals to facilitate the project, site commissioning equipment. Megasquirt support forum msextra db37 pinouts view topic. To show the ignition output on a led, the pin from the 10pin header has to be connected to the db37 using the correct pin on the 19pin header on the left or the corresponding screw terminal using a wire jumper. There are a few different megasquirt wiring diagrams floating around the internet. This is a straightthrough cable, the kind required for use with megasquirt systems, and not a nullmodem cable. The rs449 standard aka eia449 or tia449 was originally designed as the successor to the more common rs232 standard used on pcs. The keithley c3200 is a 30inch ribbon cable with 40pin ribbon header and 37pin dtype male connector. If you are using a stepper motor iac with the relay board, and have connected the wires for the iac to db37 pins 25, 27, 29, and 31, then. Please let me know asap, i want to buy this tonight. If instead you are installing ms1ms2, then you want to read the ms1ms2 wiring instructions.
Megasquirt and microsquirt controllers are not for sale or use on pollution controlled vehicles. Check the dc volts at the stims terminal block while powering megasquirt. Just remove one of the db37 covers, carefully pass it through a 1. About db37 ft450 cable the resource is currently listed in in 3 categories. The efi source ms3 gold series plug and play ecu for lsx series motors is the most complete and cost effective system available on the market today.
About db37 ft2000 cable the resource is currently listed in in 3 categories. The lc1 is a necessary evil as it is the component that allows the o2 sensor to connect to the megasquirt. The ca206 is a db44m to db37m cable, six feet 72 inches in length. Ul style 2464 37 conductor cable, pvc jacket, light gray. Relay board cable for connecting your megasquirt ecu to your relay board.
We recommend using only 5 out of the 15 linked pins available for grounding the megasquirt to the engine. The cable is useful for interfacing the db44 connector on the 8012 to the db37 connector on the tb02 terminal block. Megasquirt ii spare port configuration the general purpose io logic in megasquirt ii code version 2. Db37 male to db37 female, 72 inch length extension cable. Cut that wire about an inch away from the db37 and then strip off about 14 of insulation. Megasquirt kits group buybuild page 8 opel gt forum. We currently do not offer this cable in custom lengths. Adapter cable as fitted above eunos 1600cc 1990 this allows you to remove oe ecu and insert oe loom plugs to one end and megasquirt db37 to the other end, also includes a short jumper to insert to maf plug so you can drive your fuel pump through the adapter cable. The point is all of the individual specifications call out a db 37, just different variations of a db 37 and so different variations of the other sizes as well.
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. Lcom reversibile hardware molded dsub cable db37 malefemale 5ft. Earth the shielding braid at the megasquirt end only. Connection of megasquirt ms2 extra megasquirt ms2 extra can be connected to aim loggers directly using the 40 pins connector or through the db37 connector available on the ecu wiring. How to make and install your own diy megasquirt miata turbo forum. This usb to serial adapter has been tested and works properly with several versions of megatune from 2. I decided to mount it underneath my passenger side seat so i bought a 6 db37 cable from rs autosport. Although there is a 9v battery clip and holder, this should only be used for quick checkout of the. Oh yes, once again, the box needs to be mounted before you install the db37 cable.
It supports rs422 balanced signals and rs423 unbalanced signals. To connect the ecu directly to aim loggers follow indications shown in this table. Wire up the canh canl internal jumpers according to the instructions in the megasquirt manual. Megasquirt ms2 extra to aim devices use the 40 pins connector or the db37. Megasquirt db37 relay cable can i use a computer cable. Assembling your megasquirt megasquirtr faq main page. I made a patch cable to go from the ms2 with the cop and sequential driver board to the aem plug. R16 is near the mov1 but a bit further away from the db37 connector. An option here is wiring switch for the ignitor and injector paths so you can have either the ms or oem ecu control them at will. You can combine the wires into any combination of 2 sets of 3 at the db37. If connected per the guide, you can connections will be on the following port on the db37 can high db37 pin 3 spr1 can low db37 pin 4 spr2. However some vary in regards to ground pin locations on the megasquirt db37 connector. 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.
Amphenol 37pin db37 deluxe high density dsub cables provide exceptional performance in commercial, industrial or enterprise applications where longevity and repeated disconnects are required. This value is a static value that the megasquirt will use to command ignition timing. Now the fun stuff can begin when we actually start wiring the megasquirt harness into the car. Megasquirt wiring harness, and attach a db37 connector to the other end. Megasquirt support forum msextra replacement connector. Megasquirt on my m110 peachparts mercedesbenz forum. Male to male db37 cable idc40 to db37 female cable din rail mount ktype thermocouple usb cable usb daq usb4000 series synchronous daq usb2000 series daq usb1252a daq usb lowspeed daq ps2016 series daq pci daq pci1250 series daq. Megasquirt must be powered in order to communicate.
This will tell the megasquirt to ignore our ignition table and hold a fixed advance. Allcopper db37 plug, antioxidation, contact better. Also can be used to connect a u6, ue9, or t7 to a cb37 or mux80. Cable showcase 6ft db37 serial cable 37c malefemale ul. The iac ios on the ms are connected to these db37 pins. I just installed my lc2 and cant get the output to read right in ms2 its a little sticky. Rough mounted showing the cable running through the firewall. The db37 connector was never widely specified in mainstream electronics. However 15 of these pins are internally connected to the megasquirt s ground plane, and therefor 22 have non ground functions. Idc40 male to db37 female cable this cable will convert the idc40 interface for the pci1250 series daq card into the db37 interface for easier wiring connection of the digital io.
Working now on your shielded pair wire, strip enough of the outer insulation back so that you can separate out the wires and shield. I just purchased a megasquirt ii that will be installed on my 2. Bt2181a and bt2182a are for 16 measurement channels. The db37 will be attached on the side closest to the hole in the firewall. This entry was posted in news on november 10, 2014 by bruce bowling.
Check the laws that apply in your locality to determine if using a v3 microsquirt or microsquirt controller is legal for your. Dsub connector hood db37 make custom cables and connectors with these dsub connector hoods. Wire the db37 harness directly to the connector and then just plug it in the factory. The 17578199 is a 37position plug assembly with pin type contacts and mounting holes. The main category is yaesu ft2000 links that is about yaesu ft2000 resources. So far no one has rated yet, so be the first to rate this link. My analog 2 output is hooked up to pin 23 on db37 the factory default are. There will be little stress on the db37 without the plug shell anyway and its leads will only be 6 long to the amphenol chassis sockets.
The main category is yaesu ft450 that is about yaesu ft450 resources. The aem harness comes with a 5v supply from the ecu to all the sensors so i really need only one wire from the map to the ms2 db37. This is a purpose built cable for connecting the megasquirt to the relay board. Simply connect a power, ground, and switched 12v and you will be up and running.
U6 with serial cable and cb37 a three foot db37 cable, useful for connections between the mux80 and cb37 terminal boards. Wiring, installation and tuning services are also available on site upon request. Megasquirt wiring to the disturber newbie and basic. Aim infotech megasquirt ms2 extra microsquirt release 1. As it sits the engine hasnt been fired but otherwise its ready to go. The amplimite 109 series dsub connector has gold over nickel plated copper alloy contacts, zincplated steel shell and stainless steel retention clip. Online sellers since 1991 6 foot db37 serial extension cable, ul rated, db37 male to female, 1. It is located in the upper right section of the board near the db37 and.
Browse our selection of tuning cables which allow you to connect your megasquirt engine management system to your laptop for tuning. Megasquirt and microsquirt controllers are experimental devices intended for educational purposes. The 4 foot cable is for the connection between the relay board and the megasquirt, then i have 2 connectors and 12 wires to make another cable for the connections from the engine components to the relay board. Optionally, to create the smallest wiring harness possible, the db37 connector in a premade. Just in case you need to know this for a cas install in an nb or for whatever reason, this is the cas pinout. But,i gotta go to the shack to buy that cable, so i gotta stop for now. Here is a stand alone wireing diagram from miatamoxie on.
Gowos 3 pack serial extension cable, db37 male to db37 female, ul rated, 37 conductor, 1. This is going to be the most involved section of the writeup and most of the work will take place here. You can use the spare ports to drive a transistor that runs a relay, etc. Works with ms1, ms2, or ms3, all standard main boards includes not just the iac and ignition pins it also has the spare pins on 3 through 6. It is long and robust enough to handle all your tuning needs. Dec 30, 2012 i should be able to plug in my serial cable from my computer on the one end, a db37 cable from the stim into the mainboard, and verify 5 v is where its supposed to be. Forget anything you may have read about megatune or easytherm, it will not work with this ecu. However they all call out different versions of dsub connectors, cable, board mount, right angle and so on. Wiring up the cas to your megasquirt db37 connector its recommended that you use a shielded cable to connect to the cas. Double shielded cable design features 26 awg datagrade wire, preterminated to db37 male and female dsub connectors. Proper grounding is one of the keys to a successful installation of any efi system, so we want to help remove. Connection of the stimulator directly to your megasquirt controller can be made by removing the faceplate on the db37 connector not all connectors will need the faceplate removed, check first.
Which db37 pin to use depends on the hardware and firmware version and how the connections were made on the megasquirt board. For example, irfz44 a specific component the injector driver fets. Proper grounding is one of the keys to a successful installation of. Its certainly the cheapest, posts on from peter webb proved its achievable as an ljet ecu swap, the tuning software for ms is very intuitive and it looked like i knew enough to complete the project. Iac1a db37 pin 25 iac1b db37 pin 27 iac2a db37 pin 29 iac2b db37 pin 31. Aim infotech megasquirt ms2 extra microsquirt ecu connection. Use this serial cable to connect your megasquirt ecu to any laptop with a 9pin serial port.
Buy your pcl1071e from an authorized advantech distributor. It features 37 conductors in a 1 to 1 pinout, molded connectors and goldplated contacts for a superior connection and optimal signal transfer. This will ensure the best noise cancellation cables on the market, will last for years as its a very important aspect to getting a clean signal to the ms ecu. Install and solder l1 49556111nd, inductor, 1h, small coil of wire with leads. Cable has 18 pairs of twisted wires with shield and braided shield around bundle of twisted pairs.
This tutorial explains how to connect megasquirt and microsquirt ecus to aim. Pass megasquirt harness through stock wire grommet wrap up the loose ends of the megasquirt harness with electrical tape and then pass it through the stock wiring grommet which used to be occupied by the efi harness. The gold series comes complete with a plug and play harness and a factory installed base tune. First step is going to be to build the actual megasquirt. Official support forum for megasquirt, microsquirt, ms1extra, ms2extra and megasquirt 3. Designed for multiple applications, dsub hoods protect crimp and. From my research the easiest option is to cut the stock ecu plug off the loom and use a premade 18 loom using the db37 plug to wire into it or make a patch harness db37 is the style of plug megasquirt uses ie 37 pins here is a basic schematic of megasquirt from the megamanual. Db37 2 row 37pin female adapter plate signal module, dsub db37 37pin to 2row 19 position screw terminal block. Will the megasquirt work with my stock ignition system. The abf is actually detuned by crap cams and the software. The wire range of the 19 positions screw terminal block is 1224awg. These instructions cover the megasquirt ms3x and ms3pro. Everything having to do with wiring up the megasquirt will be covered here including.
Put the db37 through the hole in the firewall and feed the harness into the car. Before connecting the ecu to aim device set this up using aim race studio software. The megasquirt s db37 main connector has 37 total pins, hence the designation 37 in its name. It has a shielded wire on pin 24, grounded at only one end to minimize noise on the tach wire. Does not apply to other megasquirt products or other firmware versions. This link is listed in our web site directory since sunday may 3 2009, and till today db37 ft2000 cable has been followed for a total of 2004 times. My analog 1 yellow from controller is hooked up to the wideband gauge and seems to be reading well. Connection of megasquirt ms2 extra to connect megasquirt ms2 extra to aim devices use the 40 pins connector or the db37 connector available on the ecu wiring. This link is listed in our web site directory since tuesday sep 1 2009, and till today db37 ft450 cable has been followed for a total of 1907 times. Here is a stand alone wiring diagram from miatamoxie on.
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