Gm ecm pinout

Jul 2, 2021 · Wiring Harness 2019 L5P #12687474. Rebuilding a 2019 Sierra 2500HD Duramax and need a wiring harness or ECM connector with pigtail. Largest of the 3 ECM connectors and is connected to the glow plugs/injectors. Not sure I'm up to repinning a new connector even if I could find one, feel more comfortable splicing from a new or used harness.

Earlier this year, GM announced plans to go green by 2035 with the vehicles it produces and by 2030 with how it produces them. Now, the company has announced that it will be early ...Pinout of Chevrolet (2017-2019) Silverado, Tahoe, GMC Sierra, Yukon Radio Unitp/n 84278530, 84361174, 84278524, 84361176, 84361178, 84361172 Pinouts / Devices / Connectors OEM radio stereo harness pin assignmentGot a 94 4.3 truck, swapped to a 92 350. We installed the engine harness into the truck and found the engine harness plug near the ecm to dash harness plug was entirely different. Several colors are the same, but there’s 5 or 6 different colored wires. From my research, I think the connector is labeled either a c100 or c200.Because this is the clearest indication that these ARE NOT the Connector Pin Out Charts for your particular vehicle. Never probe the front of the connector. You should use a wire piercing probe and probe the wire a few inches away from the connector. To see what this tool looks like: Wire Piercing Probe. You should use a back probe.In 1999, the GM# 16238212 PCM was replaced with the GM# 09354896 PCM. These PCMs are not interchangeable and the wire harness was pinned differently. Vehicles using these PCMs included the Corvette, Camaro, Firebird, and full-size trucks. The full-size trucks were available with the 4.8L, 5.3L, and 6.0L engines.

SKU: 12633238. Other Names: ECM. Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle This GM ...ECM wiring diagram is in the FSM I believe. Reply Like. 04-13-2008, 11:04 AM #4 mechanic58. Cruising. Thread Starter . Member Since: Apr 2008. Location: Clover, SC. Posts: 10 ... PINOUT for GM PCM/ECM 16159278 (wire color abr. follows descriptions) Wire Color Legend B = Black BL = Blue BR = Brown DKBL = Dark Blue DKG = Dark GreenQuick Navigation GM V8 Tuning - Miscellaneous Top. I got a HPtuners unlocked ECM for a 2019 Silverado and are trying to figure out which pin in the ECM connectors that are for the flexfuel sensor. Anyone here that got the E90 connector pinouts or even better - which connector/pin for the flexfuel sensor?Works with PCM service numbers: 16183247. 16197428 . How to wire up a 3800 PCM from a 1994-95 C/H/G-body car or U-body Van to run a 3800 Series 2 L67/L36 in your Fiero. TPS wiring differs between Series 1 and Series 2 engines, make sure you are using the correct instructions for your engine type. Works with PCM service numbers: 16183247. 16197428772 633 410 1020 845 878. 687 407. NOTES: Pin 34 - ECM can be programmed to accept single wire park/neutral signal on this pin, if no transmission mounted range switch is … I am in need of a pinout/diagram for both a E38 and E40 ECM. If anyone can help me here I would appreciate it. I have searched everywhere. Who needs a MAP sensor on a supercharged LS6 anyway. Hmm...that copy/paste didn't work and the preview function lied. Who needs a MAP sensor on a supercharged LS6 anyway. Service manuals are your friend. Does anyone have the pinout of an E38 ECM. I'm trying to feed in a narrow band output out of my wideband controler. I understand there may also be some sort of a sensor contol module or interface for the 4 O2s, but I havn't found it yet. The car is a 2009 Pontiac G8 GXP aka Holen Commodore SS, LS3 motor. 09-18-2009 #2. DSteck. E 78 and E 39 ECMs use a torque based control structure that is similar to systems used by Ford and Dodge. This is a significant change from older GM controllers in how the ECM: This leads to a more integrated and streamlined control process, however, it also means a change in thinking for many tuners.

In 1999, the GM# 16238212 PCM was replaced with the GM# 09354896 PCM. These PCMs are not interchangeable and the wire harness was pinned differently. Vehicles using these PCMs included the Corvette, Camaro, Firebird, and full-size trucks. The full-size trucks were available with the 4.8L, 5.3L, and 6.0L engines.If your project includes a 4L60-E transmission, you can choose any Gen III PCM for 4L60-E control.) GM trucks and vans were the only vehicles to receive 4L80-E transmissions. Because the Gen III PCM was only used with 1999-newer trucks and vans, the 1997–1998 Gen III. PCM does not directly support 4L80-E transmissions.Dec 2, 2017 · Gm E38 Wiring Diagram. By Admin | December 2, 2017. 0 Comment. 08 e38 ac wiring ls1tech camaro and firebird forum discussion how to wire the obd2 connector an ecm gm sd rpm kit instructions bmw gm3 connections 2007 2014 gen iv ls3 based 4 8 5 3 6 0 2 4l60e 4l65e 4l70e standalone harness h403 4000 ppm vss output 1071 engine controller with 6l80e ... Does anybody out there have a Pinout diagram for the red and blue connecters that plug into the ECM? 1995 K1500 5.7 TBI. Forums. New posts Search forums. What's new. New posts Latest activity. ... 1995 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS with A/T) GM 4.3L, 5.0L, 5.8L Index of Articles.When using a PCM with truck calibration, change calibration {G0106} from Auto Recirculation to Fan #2 Control. GM vehicles equipped with an LSseries PCM and electric fans operate both fans in low-speed …Nov 28, 2011 ... ... chevy, ecm, liter, numbers, outs, pcm, pin, pinout, test · Subscribe. Related Topics. 16188051 pcm pinout diagrams · need ecm pinout information&...

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Jul 5, 2020 ... HOW TO DISCONNECT ECM ECM PCM WIRING HARNESS ON FORD FOCUS MK3. ENGINE COMPUTER ... How to Disconnect Electrical Connectors GM/Chevy, Dodge/ ...Here you will find wiring harness information for the Vortec 8100 Engine. This particular post is for the 2001 model C/K 2500 or 3500 Chevy Pickup. ... A/C Low Pressure Switch, and PCM: Figure 15: Throttle Actuator Control (TAC) Module, ETC Fuse, Throttle Position Sensor: Figure 16: Cruise Control ON/OFF Switch, STOP LPS Fuse, and Accelerator ...obd-II pinout for Buick, Chevrolet, Cadillac, Pontiac, GMC, Holden. The pinout should fit 47 devices/models. Click to list>. Pinout may be slightly different - depending on model. Most GM cars produced in 1996-2003 use J1850-VPW interface. GM cars produced in 2003-2006 use J1850-VPW interface or CAN. Most cars produced after 2006 are equipped ...Because this is the clearest indication that these ARE NOT the Connector Pin Out Charts for your particular vehicle. Never probe the front of the connector. You should use a wire piercing probe and probe the wire a few inches away from the connector. To see what this tool looks like: Wire Piercing Probe. You should use a back probe.Join Date. Dec 2014. Posts. 52. There are many different Pinouts for the E39A. It depends on the engine AND the vehicle. Even for the LHU I already found four different Pinouts. Depending on which harness and which OS you have. What makes it tricky (and dangerous) is that the pinouts are slightly different and you have to take a really close ... Does anyone have the pinout of an E38 ECM. I'm trying to feed in a narrow band output out of my wideband controler. I understand there may also be some sort of a sensor contol module or interface for the 4 O2s, but I havn't found it yet. The car is a 2009 Pontiac G8 GXP aka Holen Commodore SS, LS3 motor. 09-18-2009 #2. DSteck.

GM is launching its own OnStar Insurance based on telematics and available to drivers of all brands of car. By clicking "TRY IT", I agree to receive newsletters and promotions from...all solutions for this control unit type you can find in our file service. actual update: 2024/04/17. ECU pinout. AcDelco E35 GM. AcDelco E37 Opel. AcDelco E38 GM. AcDelco E39 irom MPC5566 bam GM. AcDelco E39 irom MPC5566 bench GM. AcDelco E39A irom MPC5566 bam GM.Here's a list of the pins but they are also on the wiring diagrams above. A1- grn/wht- this wire is used to energize the fuel pump relay. A2- not used. A3- not used. A4- gry- to EGR relay. (optional) This is a ground from the ECM to control the EGR relay. A5- brn/wht- SES (service eng soon) light.Sep 18, 2009 · Pin #4 on the C3 connector is your E85 Flex Fuel Content Sensor signal line. This is where you will run the sensor signal to on an E40 ECM. I cannot verify that it is for every version of the E40, but it is SOMETHING. Thanks to this man for posting the video and being thorough enough to detail his findings and work. Because this is the clearest indication that these ARE NOT the connector pin out charts for your particular vehicle. Never probe the front of the connector. You should use a wire piercing probe and probe the wire a few inches away from the connector. To see what this tool looks like: Wire Piercing Probe. You should use a back probe.Jan 8, 2018 ... Location of the Dark Green and White wire at the PCM Connector on GMT-900 GM Trucks equipped with a FSCM. Link to the diagnosis page.Apr 10, 2014 · The other row is prefixed with the letter B and its 16 terminals are labeled B-1 thru' B-16 (see the illustration above). IMPORTANT: This pin out chart applies only to the 1995 pickups with a 4.3L V-6, 5.0L V-8, or a 5.7L V-8 with an automatic transmission (4L60-E or 4L80-E). For other PCM pin-out charts, take a look at the following: e38 ecm pinout for ls7; Results 1 to 7 of 7 Thread: e38 ecm pinout for ls7. Thread Tools. Show Printable Version; 10-29-2022 #1. LS ROB. View Profile ... GM Gen4 Injectors v2.1.xls. 10-29-2022 #3. LS ROB. View Profile View Forum Posts Private Message Advanced Tuner Join Date Aug 2021 Posts 865.Mar 21, 2014 · The 1993 throttle body fuel injection (TBI) system's computer has 2 connectors. One is red and the other is a blue one. Each connector has 2 rows of 16 slots for a total of 32 slots. One row of the RED PCM's connector is prefixed with the letter A and its 16 terminals are labeled A-1 thru' A-16. The other row is prefixed with the letter B and ...

13664 posts · Joined 2005. #6 · Jul 26, 2008. Powertrain Control Module (PCM) C1 (BLU) Connector Part Information. • PCM Connector C1 Assembly 12191489. • TPA (BLU) 12176408. • Connector Cover 12191108. Pin. Wire Color.

Connector 1: Engine Control Module (ECM) C1. Connector 2: Engine Control Module (ECM) C2. Connector 3: Engine Control Module (ECM) C3. Engine Control Module (ECM) C1. Connector Part Information. OEM: 34576-3103. Service: 88988373. Description: 56-Way F (BU) Terminal Part Information.Gauges, Electronics and Wiring. ECM pins. Jump to Latest Follow ... got to the point of installing the pins I ordered from GM. Looking at the plugs, they're rectangular pins? ... This isn't my first time pinning an ECM harness, but I'm lost getting the right pins. The dealer cannot locate the right p/n off of my VIN number either.the PCM's these pinouts are derived from support a variety of systems and accessories, including: FWD and RWD automatic Transaxles/Transmissions. Manual Transmissions (3.8 F body) DIS (3100, 3400 and, 3800 equipped vehicles) Coil per cylinder (3.5 Shortstar) DBW throttle (3.8 F body)Worked good and was fast on shipping. GoECM is the nation's leader in automotive computer remanufacturing. We specialize in diesel control modules such as ECM, TCM, …Does anybody out there have a Pinout diagram for the red and blue connecters that plug into the ECM? 1995 K1500 5.7 TBI. Forums. New posts Search forums. What's new. New posts Latest activity. ... 1995 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS with A/T) GM 4.3L, 5.0L, 5.8L Index of Articles.ECM C4 (Black) S10 2000.jpg. 68.6 KB Views: 8,165. G. godzhand Discussion starter. 38 posts · Joined 2011. #4 · Feb 15, 2011. Thank you very much sir. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.SKU: 12633238. Other Names: ECM. Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle This GM ...Part #: 100-01038. This Engine Control Module (ECM) programming harness is to be used with any of our BenchForce™ PowerBlock switch assemblies to reprogram E38 ECMs outside of the vehicle. ECU harnesses connect to the OBD2 switch assembly through a short pass-through harness. This E38 ECM programming harness requires a Pass …The ad agency business has gone through many changes in the last 20 years. The internet and the growth of social media have made dramatic differences to the way in which consumers ...

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I'm looking for these too, I will be settling for a 2009 Impala BCM pinout as the 2010 and up are not accessible at this time. Of course, I will not actually add any modifications using this pin out as its fro the wrong year, but I can do some testing and see if the power supplies are correct as listed. Metallic Cyber Gray 2011 Chevy Impala LT ...Nov 26, 2009 ... one output is cable driven for the radar. and the other output is for 4K pulse VSS that my PCM needs. (4,000 pulses per mile). ACDelco part ...Mar 5, 2020 ... How to depin and repin an LS1 ECU connector | Wiring Specialties ; Removing PCM Pins and Wires GM LSx E38 Ly6. OverRevvedRacing · 63K views.PCM Connector: Black (C4) 1996-1997. To navigate to a different PCM connector, use the links below: C1 Blue. C2 Red. C3 Clear -or Grey-. C4 Black. C4 (Grey) PCM 24 Pin Connector. Pin. Wire Color.CorvetteForum - Chevrolet Corvette Forum Discussion. C6 Corvette, 2005 - 2013. C6 Tech/Performance. LS3 / E67 ECM pinout needed. C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace.Pinout AcDelco P12 GM. all solutions for this control unit type you can find in our file service. actual update: 2024/04/17. ECU pinout. AcDelco E35 GM. AcDelco E37 Opel. AcDelco E38 GM. AcDelco E39 irom MPC5566 bam GM. AcDelco E39 irom MPC5566 bench GM.Email Us Get answers from the pros. 877-514-9494 Mon - Fri 8:00 AM - 4:00 PM PST. The HP Tuners GM E90/E93 ECM Calibration Service is designed for those who want full access to calibrate, log, and scan via the OBDII port using the latest version of VCM Suite. E90 ECM: 2019-2022 Che.Changing the VIN and PIN in a used secondhand GM ECM module is very important for those who want to recycle GM ECM modules. With this solution, you can achieve just that. At this moment, it only works for 2-Byte seed ECM modules. I have some 5-Byte ECM coming from the USA. ….

Feb 13, 2015 · Because only the PCM has been changed throughout the years, the 2001-2002 Gen III PCM (GM# 12200411) may be used with any 1996-newer V-8 and V-6 Vortec engine. Vortec V-6 and Gen I Small-Block Vortec V-8 Ignition Coil Output: The only Gen III PCM that General Motors used with the Vortec V-6 and Gen I small-block Vortec V-8 engines is the 2001 ... actual update: 2024/04/17. ECU pinout. AcDelco E35 GM. AcDelco E37 Opel. AcDelco E38 GM. AcDelco E39 irom MPC5566 bam GM. AcDelco E39 irom MPC5566 bench GM. … Does anyone have the pinout of an E38 ECM. I'm trying to feed in a narrow band output out of my wideband controler. I understand there may also be some sort of a sensor contol module or interface for the 4 O2s, but I havn't found it yet. The car is a 2009 Pontiac G8 GXP aka Holen Commodore SS, LS3 motor. 09-18-2009 #2. DSteck. In 1999, the GM# 16238212 PCM was replaced with the GM# 09354896 PCM. These PCMs are not interchangeable and the wire harness was pinned differently. Vehicles using these PCMs included the Corvette, Camaro, Firebird, and full-size trucks. The full-size trucks were available with the 4.8L, 5.3L, and 6.0L engines.E38 ECM Connector Pinouts. Visit my page for a lot of New Pictures & Harness Guides channel for How To videos - E-Mail: Below are the ECM Connectors for 2008 vortec 5.3L harness. Should be similar for 4.8L 6.2L applications. BLOCKS HIGHLIGHTED LIKE THIS, ARE WIRES THAT ARE NEEDED, AND GO TO EXTERNAL CONNECTION FOR STAND ALONE I have also ...Jul 2, 2021 · Wiring Harness 2019 L5P #12687474. Rebuilding a 2019 Sierra 2500HD Duramax and need a wiring harness or ECM connector with pigtail. Largest of the 3 ECM connectors and is connected to the glow plugs/injectors. Not sure I'm up to repinning a new connector even if I could find one, feel more comfortable splicing from a new or used harness. As a vehicle owner, you understand the importance of maintaining your car’s engine control module (ECM) in optimal condition. The ECM is responsible for controlling various aspects...Do you know what the engine control module actually controls? Check out this article to learn about ECMs in cars and find out what they do. Advertisement Of all the things that can...Each Chevrolet Performance controller kit is a true stand-alone system. All that’s needed to get a vehicle running with it are power and ground sources, a high-pressure fuel pump and an electric cooling fan. Includes all the components required to run the LS3 crate engine. Max rpm 6,600. For individual engine controller, use P/N 19354329 ... Gm ecm pinout, 134 posts · Joined 2010. #2 · Aug 29, 2013. I cant help you on all that but was wondering how easy your pins went in for your high idle ? mine were tuff and some how managed to break on in there. 2006 gmc dmax.lbz cc.sb. 4 inch exhaust int 6 inch stacks, k&n intake. diablo sport predator EGR blocker plate with fingerstick,afe mouthpiece ..., PCM Connector C2 (RED) -----Connector Part Information PCM Connector C2 Assembly 12191488 TPA (RED) 12176410 Connector Cover 12191108 Pin Wire Color Circuit No. Function 1 BLK/WHT 451 PCM Ground (Automatic Transmission Only) 2 BRN 418 TCC Control Solenoid (Automatic Transmission Only) 3----Not Used 4 PPL 421 AIR …, the PCM's these pinouts are derived from support a variety of systems and accessories, including: FWD and RWD automatic Transaxles/Transmissions. Manual Transmissions (3.8 F body) DIS (3100, 3400 and, 3800 equipped vehicles) Coil per cylinder (3.5 Shortstar) DBW throttle (3.8 F body), Do you know what the engine control module actually controls? Check out this article to learn about ECMs in cars and find out what they do. Advertisement Of all the things that can..., The numbers. Investors looked past the one-time charges that dragged down the headline numbers, and the underlying business looked strong. If you want to be a stickler for account..., all solutions for this control unit type you can find in our file service. actual update: 2024/04/17. ECU pinout. AcDelco E35 GM. AcDelco E37 Opel. AcDelco E38 GM. AcDelco E39 irom MPC5566 bam GM. AcDelco E39 irom MPC5566 bench GM. AcDelco E39A irom MPC5566 bam GM., • New LLY 6.6L and LG4 7.8L engine information is added for diesel engines sold after 1/01/2004. (See LLY and LG4 ECM Connectors and Location Drawings.) The new engines require new Engine Control Modules. The LLY ECM changes from a 2-way (on the LB7 ECM) to a 3-way connector, and the new LG4 ECM from a 5-way to a 2-way connector. …, Mar 5, 2020 ... How to depin and repin an LS1 ECU connector | Wiring Specialties ; Removing PCM Pins and Wires GM LSx E38 Ly6. OverRevvedRacing · 63K views., 69 ECM did not detect any voltage on A/C status line for 20 seconds after ECM had commanded A/C ON. 70 A/C clutch relay circuit showed incorrect potential voltage at PCM for 26 seconds. 72 Transmission output speed changed more than 1000 RPM for 2 seconds when vehicle was in gear, or transmission output speed changed …, Branndonw. 3113 posts · Joined 2008. #4 · Feb 5, 2012. All the wires should match the pinout. Post a pic of the ones that dont. As far as multiple wires of the same color, you are going to have to test them to determine which wire they are. '08 RWD 3SS, TR6060 6 Speed Manual Trans Swap, TR6060 Extension Housing Mainshaft Support …, This Tech Tip is from the full book, LS SWAPS: HOW TO SWAP GM LS ENGINES INTO ALMOST ANYTHING. For a comprehensive guide on this entire subject, you can visit this link: ... The 1997–1998 LS1 Y- and F-Body computer is different from the later LS1 ECM. The pin-outs and wiring harnesses are different. This is a 1998 Camaro …, Gm e38 ecm programming harness efi connection llc where is coil 1 on the 2006 gto ect pinout list corvette c6 maecu pro plugin extra wiring information for 2007 up vortec gen iv truck harnesses nb miata …, It is a comprehensive automotive diagnostic tool that can help you troubleshoot and diagnose issues with your vehicle. It's user-friendly and can provide valuable insights into your truck's performance, including engine diagnostics, transmission health, and more. If you're experiencing any specific problems or just want to ensure your truck is ..., Do you know what the engine control module actually controls? Check out this article to learn about ECMs in cars and find out what they do. Advertisement Of all the things that can..., 1987. Truck Model. GMC V2500 Camper Special. Engine Size. TBI 5.7 350. Hey Folks, I have had several GM 4x4s and now picked up a one owner 87 V2500. Its in great shape but I really have no experience with the TBI (SBC 5.7 TBI). The truck runs great but I would like to understand how it is wired up., Feb 15, 2015 · This wiring diagram represents the 2003–2004 GM Truck electronic throttle control system. This system uses only two of the three APP sensors. As compared to the 1999–2002 GM truck TAC module, the 5V reference and low reference for APP sensor 2 have been swapped. , CorvetteForum - Chevrolet Corvette Forum Discussion. C6 Corvette, 2005 - 2013. C6 Tech/Performance. LS3 / E67 ECM pinout needed. C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace., So here is a condensed copy of the LS1 P01 and P59 PCM pinout for 99-06 AUSTRALIAN delivered vehicles for your convenience. We understand the DIY'ers at home sometimes want to have a go at building their own swap or standalone harness and we have absolutely no issue with that, as long as it is done with safety in mind. Safety …, Here are the pinouts for the 2007 Silverado E38 ECM & T42 TCM Attached Files. Engine Control Module X1.pdf (145.5 KB, 2006 views) Engine ..., Pinouts for GM 4L60E and 4L80E. COMPUSHIFT II Manual /. Specifications & Pinouts /. Connector Pinouts. , Here is a little background information to help you diagnose the ignition control module (ICM) or the ignition coil. In a nutshell, when your turn the key and start cranking the engine: Power in the form of 12 Volts flows into the crankshaft position (CKP) sensor, the ignition control module (ICM), the ignition coil, among several things., Here is a little background information to help you diagnose the ignition control module (ICM) or the ignition coil. In a nutshell, when your turn the key and start cranking the engine: Power in the form of 12 Volts flows into the crankshaft position (CKP) sensor, the ignition control module (ICM), the ignition coil, among several things., As a vehicle owner, you understand the importance of maintaining your car’s engine control module (ECM) in optimal condition. The ECM is responsible for controlling various aspects..., Part #: 100-01060. This Engine Control Module (ECM) programming harness is to be used with any of our BenchForce™ PowerBlock switch assemblies to reprogram E78 ECMs outside of the vehicle. ECU harnesses connect to the OBD2 switch assembly through a short pass-through harness. This E78 ECM programming harness requires a Pass …, Apr 17, 2024 · all solutions for this control unit type you can find in our file service. actual update: 2024/04/17. ECU pinout. AcDelco E35 GM. AcDelco E37 Opel. AcDelco E38 GM. AcDelco E39 irom MPC5566 bam GM. AcDelco E39 irom MPC5566 bench GM. AcDelco E39A irom MPC5566 bam GM. , The 1994 throttle body fuel injection (TBI) system's computer has 2 connectors. One is red and the other is a blue one. Each connector has 2 rows of 16 slots for a total of 32 slots. One row of the RED PCM's connector is prefixed with the letter A and its 16 terminals are labeled A-1 thru' A-16. The other row is prefixed with the letter B and ..., E38 PCM Pinouts. By vxchev8 in forum Gen IV V8 Specific Replies: 15 Last Post: March 2nd, 2009, 09:28 PM. E38 Pinouts., Engine Control Module (ECM) X2 (LMG, LC9, LY5, LH6, L76, or L9H without Y91) .....C-49 Engine Control Module (ECM) X2 (LU3) .....C-51, Set default mode to limp mode, car wont get anywhere in a hurry. lol. Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top. Here is a E38 complete pinout. Information is gained by pieces from GM SI, tracing and probing disassembled ECM PCB and reverse engineering of several OSes. 129235., 1999-02 LS1 PCM pinouts (Camaro, Firebird) Corvette similar PCM connector (BLUE) Pin Wire Color Circuit No. Function 1 BLK 451 PCM Ground 2 LT GRN 1867 12 Volt Reference- CKP Pin "C" ... 58 DK GRN 1049 ECM/PCM/VCM Class 2 Serial Data 59 -- -- Not Used 60 BLK 452 Low Reference TPS Pin "B" 61 PNK/BLK 632 Low Reference (Camshaft …, E 78 and E 39 ECMs use a torque based control structure that is similar to systems used by Ford and Dodge. This is a significant change from older GM controllers in how the ECM: This leads to a more integrated and streamlined control process, however, it also means a change in thinking for many tuners., Jun 21, 2022 ... This video is for doing a pin out on a harness as well. Chevrolet ... How to read wiring diagrams and do pin out repairs on the ECM or PCM harness ..., the PCM's these pinouts are derived from support a variety of systems and accessories, including: FWD and RWD automatic Transaxles/Transmissions. Manual Transmissions (3.8 F body) DIS (3100, 3400 and, 3800 equipped vehicles) Coil per cylinder (3.5 Shortstar) DBW throttle (3.8 F body)