MS3Pro ULTIMATE Pinout Glossy Card. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . James1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. I'm in the process of installing MS3X in my 1994 Mercedes SL600 which uses the M120 V12 engine. I am using the Megasquirt 3 with MS3X expansion. MegaSquirt MS3X Wiring Bundle – Length = 8′. by lastermann » Tue Dec 27, 2011 6:27 pm. Hello,. I'm trying to avoid having a couple of fine wires needing to jump across from the MS3x harness to the MS3 harness. Download the correct MS-Extra Hardware manual for your MS3X and read the sections on how to wire the Logic driver Pinouts and how to configure the ignition. And when grounding them to the Megasquirt when. 2. MegaSquirt 3. 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 . Add to wishlist. Re: car wont start with new ms3x. 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. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. 4 Crank / Cam Inputs The Crank and Cam sensors provide the. This version of the documentation applies to: • MS3 on a V3. 1. I've read the MS3 manual wrt grounding and understand importance of running grounds back to MS. You may have to register before you can post: click the register link above to proceed. Made of the same TXL rated automotive grade. More expensive standalone systems also. Hardware manual covering specific wiring and configuration of your Megaquirt MS3X/V30 ECU. 3. At least that's what the wiring diagram that came with it says. SAYS IF HALL SENSOR. MegaSquirt Relay Cable. by jsmcortina » Thu Aug 14, 2014 5:02 pm. Color coded wiring with labeling printed on the wire every 6 inches — no paper. 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. 0pcb. Would 18 gauge be alright to run from the MS. 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. MS3x Wiring Questions. 0 Hardware Guide 1:Introduction The MS3X/V3. Boscobel, WI 53805. See t. Hardware. 8′ wiring harness or 24″ wiring pigtail; MS3X harness or 24″ MS3X pigtail; GM open element IAT sensor; 3/8″ NPT bung in aluminum or stainless steel; MS3 USB tuning cable; W ideband O2 sensor system; Feedback welcome. 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:. 5 out of 5 $ 114. Wiring ms3 pro diagram ultimate ms3pro genMegasquirt ms3x wiring diagram Wideband aem ms3 canbus pnp 2001 straightforward helpfulMegasquirt3 wiring diagram. 5 out of 5 $ 114. MegaSquirt MS3X Wiring Pigtail – Length = 24″. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. We’ve packaged a DB37 male solder cup connector and a metalized plastic backshell for your MS3X builds. And the newest version of tuner studio. 3. I beleive it is 10G wiring to the controller (18g pwm wire) and 12-14G out to each fan. 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. Pins 19 through 14 should remain bundled on an adequately sized ground wire to the engine block. 0 or V3. In step 22, install the stepper IAC jumpers (all of our assembled MS3 units are by default configured this way). ( 1 question) 5 out of 5 based on 4 customer ratings. 3 Wiring Harness The Megasquirt can be supplied with a "pigtail" wiring harness to form the basis of your own wiring. 6. 8′ MegaSquirt Wiring Harness for MS3X. 1. 8′ MegaSquirt Wiring Harness for MS3X. 0 MicroSquirt with 30″ 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. 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. 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. Which outputs (A,B,C and D) go to. 24″ MegaSquirt Pigtail MS3X Harness $ 79. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. Get the serial comms set up. MegaSquirt MS3X wiring harness Install Pt. I also have a Mustang 91 with T5 transmission and would like to use traction control feature. For many first-time users, it may be tempting to re-use old connectors and wiring. 3. Notably, the car features a BMW E46 M3 6-speed transmission, a Thayer Motorsport upgraded Limited Slip differential, and a meticulously assembled engine. Mega 5 point harness installHarness megasquirt wiring ms1 ms2 ms3 ready miata reply Custom wiring harness – customcableEverything you need. MS3Pro EVO Standalone Engine Management System w/ Harness. Install TunerStudio and Megalogviewer software onto you computer. 8′ MegaSquirt Wiring Harness for MS3X. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. 57 mainboard as it uses the same driver as the MS3X. At least that's what the wiring diagram that came with it says. See the Setting Up manual for more detail on version numbers. Hardware manual covering specific wiring and configuration of your Megaquirt MS2/V357 ECU. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . The are essentually the Fuel VE table and the results as measured by the wideband sensor. 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. there are some other controllers that. 0l Duratec) and built the whole vehicle wiring harness from scratch. x (See the Setting Up manual for more detail on version numbers. 2. I'm less clear on whether its important to run the ground from MS to the engine (and thus back to the battery) or if I can simply take them to the battery via a nearby distribution block. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 3. I purchased an aftermarket harness for it and that wiring was smaller. 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:. 3) MS3 Cam Input (Dual VR v2. it is already tuned for boost and you can literally just plug in the harness, fire it up. 2: use the 2. 8′ of TXL High temp automotive grade wire. ) Does not apply to other Megasquirt products or other firmware versions. The MS3X has a copy of this circuit that is used for cam or second trigger input. jsimmons Experienced MS/Extra'er Posts: 207 Joined: Thu Jun 11, 2015 6:12 am. 0 ECU for. Re: Megasquirt ON BMW m52 Engine. nathaninwa Super MS/Extra'er Posts: 2628 Joined: Wed Sep 15, 2004. SAYS IF HALL SENSOR. I am running fully sequential fuel and spark via MS3X. Matt Cramer -1966 Dodge Dart slant six running on MS3X. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. 0 / V3. MS3&MS3X v. Number Of Wires: 3. 57 mainboard as shown above running firmware MS2/Extra 3. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . Our USA-assembled map sensor uses a universal keying that is compatible with pigtails for 1, 2, and 3 bar MAP sensors. . There are aftermarket versions of this controller out there with harnesses for under $30. Wire gauge on the ms3 pro harness. Description. 5″ long (including the mounting ears), 4-5/8″ wide, and 2. 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. MegaSquirt MS3X Wiring Pigtail – Length = 24″ 24″ of TXL High temp automotive grade wire. Skip to content. The MS3Pro measures approximately 8. In this video the multiversal-timelines become intertwined, the editor screws up and shoulder pads! In all seriousness, I some wha. You may have to register before you can post: click the register link above to proceed. Description. Joined: Mon Sep 19, 2011 6:10 pm. I've already searched the archives and was unable to located anything beyond 1982. 1 ecu that is the vanos motor. 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. ‘Optional’ MegaSquirt Relay Board – Assembled Unit. 3 Re-pinning the DB37; 3. 00 MS3X-Hrn: 8' MS3X wiring harness $22. 3. On a V3. Ibrahim Nzioki On Twitter 2 Engine Harness Layout Since The Donor Was From An E36. consider it time to get rid of that ratty old stock harness and do up a new one. 99. Today's Posts; Member List; Calendar; Forum; E30 Classified Forums; For Sale & Wanted; Parts For Sale; If this is your first visit, be sure to check out the FAQ by clicking the link above. 2) MS3 Sensor Ground PIN 7 Not connected at this time since no TPS, IAT, Coolant, O2's are connected. Built a Megasquirt Computer to handle spark and ignition. Pin 9 - Green / White. 99. 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. This manual covers MS3X/V3. 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. For those wanting a complete, ready-to-go setup with harness, calibrations, etc then look at the. 5 mm barrel connector used with the Innovate LC-1 and VVTuner. Top. Features in bold are added to the AMP’d MicroSquirt. 3. 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. The aim is to be most helpful to the customer with least confusion. 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. It ought to work with a modded V3. 57 in car for the first time and am running diagnostics. 3 Wiring Harness; 2. Attached is a picture of VAG Logic Coil Pin-outs. DIYAutoTune Wiring Harnesses MS3X-Hrn. Dated: 2018-08-01. 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. by JoeC » Sat Apr 13, 2019 5:57 pm. Wiring ms3x megasquirt ms3Ms3 pro ultimate wiring diagram Ms3pro a/c control wiringMegasquirt ms3x wiring diagram. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 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. My firing order 1,3,7,2,6,5,4,8 SPKA - Coil #1. Last. Setting Up. 5″ long (including the mounting ears), 4-5/8″ wide, and 2. Customer reviews. MegaSquirt MS3X Wiring Harness – 8 feet8′ of TXL High temp automotive grade wire. 3) MS3 Cam Input (Dual VR v2. Note that the DIY Autotune wiring harness has a shielded wire – connect only the inner wire to this pin! Connect the E pin to MS3X pin 14 to send the timing signal to the HEI module. Get a Quote. 57 mainboard. MS3X on 2010 Camaro LS3 + Whipple @ 10psi + HPT + AEM 30-0333/0334 WB. 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. 0 0 Hardware Guide General layout for 4-cyl coil-on-plug using LS coils. Using FIDLE and Idle will certainly be ok with the V3. Just like the MS3X harness, but with no DB37 connector. MegaSquirt MS3X Wiring Bundle – 23″ 5 out of 5 $ 29. 0 too, but the point gurov makes is fair - using identical drivers for both sides is good practice. Full sequential COP and injection. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 99. Now to remove the grommet you'll need to use a flat head screw driver from the engine bay and pop it out. ( 7 questions) 5 out of 5 based on 6 customer ratings. The explanation in the manual states that sometimes a coil is necessary. For example, the MS3X "boost" output equivalent on the MS3-Pro is "high current out 3". A main step in your MS3 Gold Box installation is connecting up the wiring. MegaSquirt Wiring Harness 8' MegaSquirt Wiring Harness 8' Regular price $99. MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. 5 out of 5 $ 114. There is a recall on us crankps and they sell a wiring harness kit with it. 2. I have pictured what i think is the main starting circuit relays or the main relays off of the zxt. 1). It's very detailed. During installation I added the wire from S12 to C end of D1 on the MS3X card per page 231/2. 3. 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. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. Includes complete Universal 8′ Flying Lead Harness. The stock wires might work by just looping the extra length of wire-if you can picture that. What grade of wiring is used? This harness uses 20 gauge TXL high temperature automotive wiring. For input I've tried datalog in, tableswitch, and the other ground switching input that I can't recall at the moment. SAYS IF HALL SENSOR. MegaSquirt DIYAutotune SystemsI 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. On to all the injectors. and so on. 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. 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. 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. Use a relay board and one of Mario's harnesses and you'll have a nice clean factory install. 1 Wire and connector choice; 3. Part Number: BEC1800715. Because of this, we need to replace the unshielded wire with two conductor shielded. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 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. 3. Connect a 0. 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. At least that's what the wiring diagram that came with it says. Add to wishlist. Regular price2. MegaSquirt Relay Cable. 8′ MegaSquirt Wiring Harness for MS3X. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 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. 00 MSHarness: 8' main board wiring harness $86. 5 out of 5 $ 114. 6 Bench Test Wiring: MS3X/V3. 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. 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. 99. Learn how to set up and tune your MS3X/V3. HOWEVER when using the test page it seems that I am STILL not getting any spark signal from the. Matt Cramer -1966 Dodge Dart slant six running on MS3X. On to all the injectors. 57 and both complete wiring harnesses already wired for a coil on plug 3rz-fe motor. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. 3) MS3 Cam Input (Dual VR v2. Just like the MS3X harness, but with no DB37 connector. They feature color-coded wiring with labeling printed on the wire every 6 in. Would 18 gauge be alright to run from the MS. Add to wishlist. I wrote the 3 wire mode so the 3-wire valve can be driven as the manufacturer intended. 0 ratings 0% found this document useful (0 votes) 40 views. 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. 0 ECU, which is based on Megasquirt-3 technology and features an MS3 card and an MS3X expansion card on a through hole V3. Step 1) Decide which manual is correct for your engine (24x reluctor engine or 58x reluctor engine). This terminal is also grounded to the engine block. 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!. We’ve custom printed these to include all the inputs and outputs on the expansion board. On the diagram, it shows only one wire coming for the harness, I assume the other wire will be the keyed positive. 5 out of 5 $ 114. Post by Bahooki » Thu Feb 01, 2018 5:39 pm. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. Subscribe. Would 18 gauge be alright to run from the MS. 12G main feed and 16G out to the fans. We've got a pre-assembled MS3 with the MS3X extra board, and I believe it is a V3. MS3base/V3. 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)MegaSquirt MS3X Wiring Harness – 8 feet. 18" pigtail harness for VVTuner variable valve timing controller. ( 4 customer reviews) $ 114. Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods. 0 too, but the point gurov makes is fair - using identical drivers for both sides is good practice. MS3X Quadspark wiring. 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. We've packaged a DB37 male solder cup connector and a metalized plastic backshell for your MS3X builds. Anyone onto the questions. This confuses me. 8′ of TXL High temp automotive grade wire. Note that you will still need our regular MSPiggy for the main board DB37 – this is just the MS3X harness. 0 – Unassembled Kit Part # MS330-K. Megasquirt-3 with MS3X. . Older sensors used a specific keying you had to match with the connector you’re using. 7. 4. 99. once the computer is hooked up to a 12v circuit it works just fine so thankfully I built it right. 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. 8′ MegaSquirt Wiring Harness for MS3X. $23. the Foxbody 550-937F kit is $1230 and i think the difference is connectors, but my connectors are not all the same anyway. 5″ tall including the mating connectors. 1 Wire and connector choice. g. MegaSquirt MS3X Wiring Bundle - Length = 23" ~23" of TXL High temp automotive grade wire. 00. 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 1A) internally wired to MS3 Main Connector 27 IAC1B Blue/Red . 00 MSHarness: 10' main board wiring harness $79. Vehicle Info Required to Guarantee Fit. 21 the ecu powers on. 5bar map built into the MS unit. 2 dedicated spark outputs. 00. To pin 30, connect the 12 gauge red wire you ran all the way to the fuel pump. Color coded wiring. 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. 5 out of 5 $ 114. So the valve should be open 1/2 way; however, it seems that the. SAYS IF HALL SENSOR. 0 engine in my 1988 Mustang that had a 4 cylinder previously. 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. VISIT US. 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. 1. I get to installing the MS3X. DIYAutoTune Wiring Harnesses MS3X-Hrn DIY-MS3X-HRN. This product is manufactured in Gainesville, Georgia, USA. Heavy duty metal DB37 hood for superior RFI/EMI shielding (no cheap plastic ‘metalized’ hoods. 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 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. 1) MS3 Main board 15-19 grounds connected to engine block, MS3X wire harness not connected at this time. To wire the fuel pump relay, connect pin 85 to the purple wire from the Megasquirt harness. And used MS harness wire #30 to control the IAC valve. 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. The MS3 and MS3X do not put out enough juice to fire the factory coils, unlike the Chevrolet Coils which have built in ignitors,. 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 Hardware Manual - Megasquirt UK Official SiteThis manual provides detailed instructions and diagrams for installing and configuring the MS3X/V3. Also using a jimstim 2. 6 conversion. 6 Outputs; 2. The versatile MicroSquirt with 8′ Harness: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module- Version 3. 3. Ls1 ecm wiring diagramMs3/ms3x/ls2- full sequential fuel and spark 2002 lincoln ls wiring diagram collectionLs430 harness clublexus netbook. We’ve custom printed these to include all. The MS3X/V3. Buy their pre assembled wiring harness to make it crazy simple. One thing, you have 3 wire coils shown which are usually "dumb" coils and will need some sort of ignitor wired between them and the MS3X. . The MSD box says to wire the Violet(+) and Green(-) to the power and ground on the distributor. 57 with MS3X $99. 4 Crank / Cam Inputs The Crank and Cam sensors provide the. 8′ MegaSquirt Wiring Harness for MS3X 5 out of 5 $ 114. I have wired in pull up resistors in the wiring for both so the MS3 gets a voltage it can process. It's a bitch reading the spark wires. 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. 3. comNeotech mega accordion harness Harness mega wiring ram 2006 cab dodge rear door mopar 2500 oem 2009Harness megasquirt 12ft. MS3Pro Ultimate Standalone Engine Management System w/ Harness. Getting closer to having a completed MS3x wiring harness on the turbo mustang. Would 18 gauge be alright to run from the MS. 8′ MegaSquirt Wiring Harness For MS3X (Mfg#MS3X-Hrn). Those are the pins you would use to ground your EMS and coil drivers.