We offer high quality new, OEM, aftermarket and remanufactured Chevrolet K2500 Electronic Control Unit parts. You can use the 4. Unplug the ECM and test the grounds in the plugs. 1987-1990 Series C & K Trucks ECM 1227747 (HOME)HOME). The chip containing the bin is the bigger one when you pop the ECM cover. Affordable Fuel Injection is a sponsor of the board and helps with research and development with their 20 years experience and lots of guys have these systems running on their trucks. WARNING This product can expose you to chemicals including Cadmium which is known to the State of California to cause cancer, birth defects or other reproductive harm. trans: 1227747. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck. Returning the ECM to its factory state may be necessary to troubleshoot or resolve a number of problems. In GM (in what can only be described as an attempt to keep life interesting) decided to use house numbers on their EPROMS. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80's through 1995. They're manufactured from durable plastic and have pre-drilled mounting holes and positions for an easy installation. GM Trouble Codes - Check Engine Light Codes. 7L) or you can just get a whole computer out of another vehical at the local junk yard that has a 1227747 ecm for you partiular engine size. GM uses most of the same sensors on a throttle body as they do a tuned port engine. I did not use it. There will more than likely be an ECM pinout on diy-efi. The switch that should attach the O2 sensor or the fudge voltage to the ECU is wrongly wired. No SES engine light No pulse to noid light EMC is 1227747 Have power to B1 on EMC - Answered by a verified GMC Mechanic. what about 4x4 wiring diagram FusionBB. The ECM needs to know each and every time a cylinder is fired; this is how it determines when to spray the injectors. 8 ecm connections to a 4. Page of 16136965 ecm schematic. But first Some basics: I run 2 relays. In today's video we are comparing the differences between 3 different kinds of ECMs, both ford and GM. The TBI harness that we offer will get you going on your project. 3 Way Switch Wiring Diagram --> Power to switch, then from that switch to light and other switch See more. ECM connector Identification in my terms A1- grn/wht- this wire is used to energize the fuel pump relay. Detroit Series 60 Jake Brake Wiring Schematic » this is images about detroit series 60 jake brake wiring schematic posted by Ella Brouillard in Detroit category. And is even better when boost is involved. WinALDL is […]. First- you will need The set of diagrams available from here Or attached below. CSI Automotive Sales, Service & Parts. 3/700R4/NP231c swap into my '89 to get rid of my squirrel engine. com MS2357-C MegaSquirt-II Assembled ECU: Set it for VR input by putting the JP1 jumper (in the lower right hand corner of the main board) in the 1-2 position, and the J1 jumper (in the middle of the main board) in the 3-4 position. The schematic for it I went with Dynamic EFI with what amounts to the. With a TBI V8 swap a 4. We've got schematic diagrams for every component of your product. I made my own block off plate for the mechanical fuel pump. My truck is an 87 blazer with ECM service number 1227747 which I believe should NOT need the 10k resistor they have. EFI topic of the week! ECM's, PCM's and BCC's Also I have a wiring harness from a 5. If you buy the Mopar Performance electronic ignition system, it comes with extensive instructions, wiring diagrams, and other information. It is only for 160 baud ECM's. GM vehicles with removable Engine Control Module (ECM) PROMs PROM availability; GM no longer manufactures PROMs, and most GM dealers no longer inventory replacements. Page of 1227747 ecm schematic. Remember we. Find Parts Fast! Save money and time! In just a few easy steps PartRequest. 8 sensor plugs are the same. You need to compare your 2. HANSAFANPROJEKT. Welcome to the GM Trouble Codes and Check Engine Light codes page. For a 91, it's probably a 1227747 ecm. If you don't have an electronic spark module, the knock sensor control is in the memcal. All Chevrolet TBI's use a speed density fuel calibration, using a map sensor, much like the speed density tuned ports. I like to think I know lots about my car. This name applies to all GM engine computers, so in a sense, they all are C3's. 2 offered excellent value for money mappable spark and fuel. You can also find other images like images wiring diagram, images parts diagram, images replacement parts, images electrical diagram, images repair manuals, images engine diagram, images engine scheme diagram, images wiring harness diagram. 1227165 ecu with custom code much better than stock ecu. Application info Component info. Typically, technical support is limited to the customer with only a harness purchase due to the complexity of variables we have no control over. There will be a lot of extra things, don't worry about them now grab it all as whole as you can. I used the common 1227747 ECM, a manual tranny truck. From time to time those of us with the passion to preserve ancient computers from the 1970 and 1980s will come across the need to replace a failed masked ROM or EPROM. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or. 00 eBay determines this price through a machine learned model of the product's sale prices within the last 90 days. 0 (LU5) F body A062. biggest problem to date 1228707 and 1228708 i need to try with another ecm is getting a ref signal. Want to buy Chevrolet parts? Look no further than GM Parts Giant, the best place for Chevy genuine parts. We have the mod you're looking for and more. The 122786 ECM used in VSSB Wiring diagram for those messing with one. C15 Ecm Diagram. hello; I have a 1985 el camino with a 4. The chips will vary from ecm to ecm. The ECU input should be to the switch common, and the sensor to one side and the fudge circuit to the other. TBI Diagnosis 5-1. Welcome To The New HowellEFI. #CA/CJ258 - TBI KIT: JP1 Emission Legal Version CARB EO #D452 1972-80 CJ 4. If you're using the original memcal in the ECM, you'll need a different one. adx are advanced files with Data Tracing for TunerPro V5 RT. 7 and junkedthe 350 tranny and kept mjy 700r4 from the 4. if Howell used the 1227747 then use this speed sensor. then get the wiring diagrams and check the pins/colors at the ecm,,(maybe the aldl problem??) got to get that aldl fixed. put the ecm and prom numbers up here,, see if we can help. The schematic for it I went with Dynamic EFI with what amounts to the. All gas R&R services are backed with an unbeatable LIFETIME WARRANTY. This is the schematic for the entire Computer Command & Control system for the Cross-Fire Injection system. I am using the OEM fuel pump relay connected to an '86 F150 fuel pump. 2 offered excellent value for money mappable spark and fuel. I'm thinking of doing the same thing, new 350 in my 91 Sierra 4x4, considering it has 151,000 plus miles on it, mostly hi-way. They are pretty similar. vssbdracwiring. Disc Sanders For Sale Ac Band Saw, Bench Sander, Air Sander, Disk Sander, Belt Sander, Belt Disc Sander, Wood Lathe, Delta Rockwell, Powermatic, oscillating sanders. 3L wiring harness but that shouldn't matter right?. 3 ecm diagram hurst line lock wiring diagram ecm wiring diagram 94 chevy ecm wiring diagram 07 impala ecm diagram ecm pin diagram 75 1999 camaro 3. GM vehicles with removable Engine Control Module (ECM) PROMs PROM availability; GM no longer manufactures PROMs, and most GM dealers no longer inventory replacements. I have the wiring diagram for that ECM and i also have the electrical connection to the 700R4 (from the same Camaro). The ECM needs to know each and every time a cylinder is fired; this is how it determines when to spray the injectors. 1227747 Schematic Application: 1987-91 truck 4. One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM. Terry Chron 45,144 views. 3L wiring harness but that shouldn't matter right?. For 1995-previous model year EFI-equipped GM vehicles. Affordable Fuel Injection is a sponsor of the board and helps with research and development with their 20 years experience and lots of guys have these systems running on their trucks. The ECU input should be to the switch common, and the sensor to one side and the fudge circuit to the other. 3 direct injection engine to stand alone, so here goes. A2- not used A3- not used A4- gry- to EGR relay. hello; I have a 1985 el camino with a 4. I used the common 1227747 ECM, a manual tranny truck. Because ELM327 is only for newer OBD2 vehicles. ECM Repair/Rebuild All of our R&R services are conducted in house by our certified technicians. C3 stands for Computer Command Control. I can't find a wiring diagram that matches the 4. The knock sensor feeds info to the EST Module. The ECM, which predates OBDII systems, spits out a serial data stream called Assembly Line Diagnostic Link (ALDL) at 160 baud. N14 Ecm Diagram » thank you for visiting our site, this is images about n14 ecm diagram posted by Ella Brouillard in Wiring category on Sep 19, 2019. "S" & "T" body) etc and if I already changed the Eprom it is probably the ECM. I am using the OEM fuel pump relay connected to an '86 F150 fuel pump. So I have the jumper completely removed. The terms ECM and PCM are often used interchangeably when referring to engine electronics, but there is a difference. It is not too bad, I would the G-van harness as mentioned. 3 is from a '89 S10 so it is TBI, problem is: no ECM. 73 axle ratio, and AC. the reason im using this ecm is because ive had a custom chip made for it and want to use it. With the injectors I have, I won't need to modify the ECM, as they are high-Z injectors, and will run fine with the ECM the way it is. This page contains the ecm connector identification and the terminal pin id's. If I go by the 1990 1227747 truck ecm's wiring diagram, and just switch pins in the plugs to match the 90's diagram's routing, I should be fine right? Again, thanks for all the help. This is a discussion on fuel injectioning the AMC 304 within the Drivetrain forums, part of the CJ Forums category; Here are a few pictures of the "finish product". 09-01-2012, 11:45 PM #2. We offer high quality new, OEM, aftermarket and remanufactured Chevrolet P30 Electronic Control Unit parts. The V6 vehicles have the same ECM, but use a different limp-home chip. After some research, I changed out the 1228260 and went with a 1227747 ECM that has more modding support for the programming written into the EPROM chip. You can add or remove whatever you need. I swapped out the 4. In 1986 two relays replaced the MAFS module and the Electronic Control Module (ECM) was changed to a GM part #1227165. A2- not used A3- not used A4- gry- to EGR relay. It is simply there to act as a lockup controller. INSTALLATION OF PRODUCTION GM AND 670 CFM 2 BARREL THROTTLE BODY FUEL INJECTION KITS ON FORMERLY CARBURETED ENGINES. 7 smallblock, or the 7. Starting around 1992, GM started putting the newer electronically controlled 4L60E and 4L80E transmissions in their trucks. Page of 1227747 ecm schematic. All grounds have to be common. #CA/CJ258 - TBI KIT: JP1 Emission Legal Version CARB EO #D452 1972-80 CJ 4. 0 auto from a C1-1500 truck. This is showing a 2003 AWD. The little one is the limp home calpak. 3 Z TBI,1227747 ACSU0024 1987 V 1500 (Suburban) 5. If you buy the Mopar Performance electronic ignition system, it comes with extensive instructions, wiring diagrams, and other information. 3 V6 TBI "Z" LB4 (exc. We offer high quality new, OEM, aftermarket and remanufactured Chevrolet S10 Electronic Control Unit parts. D6D376 circuit board: Processor. They are available in most any shop manual of the era and in several places on line. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. Basic connections are standard but it is easy to customize one for your needs. Two fuel injectors mounted on top of the throttle body inject fuel into the motor. They are godawful in stock form and off the shelf "chips" are even worse. Chevrolet CPI 1992-2004-4. It uses the AC Delco 1227747 ECM. From time to time those of us with the passion to preserve ancient computers from the 1970 and 1980s will come across the need to replace a failed masked ROM or EPROM. Bring the truck to operating temp, remove the plastic cover on the passenger side of the firewall and disconnect the EST by-pass wire ( single wire with a black tracer) loosen the distributor hold down clamp,set timing with a timing light to 0 degrees by adjusting the distributor. What is the Civic EK crankshaft fluctuation sensor wiring schematic? We'll be testing your How To Honda Accord Stereo Wiring Diagram … May 31, 2015 • No. I have tried to make a list of vehicles supported by WinALDL, and what selection to use in the configuration dialog. First, go down to the. You need to compare your 2. No SES engine light No pulse to noid light EMC is 1227747 Have power to B1 on EMC - Answered by a verified GMC Mechanic. You could wire in a trigger. You can also find other images like 2006 series 60 detroit diesel schematic,60 series detroit fuel system schematic,1227747 ecm schematic,series motor schematic, and others. It is normally used for mass production and is used for working extremely hard materials or materials that are difficult to machine using conventional methods. ProTech Auto Systems is your trustworthy supplier of all ECM, PCM and ECU GMC Auto Computers. We do not need a key or any other information from you for TunerPro RT - we simply need a valid email address. 1956 ford thunderbird wiring diagram wiring diagram and Expert Advice About Auto Repair That Can Really Help You! When it comes to fixing cars, you may feel like you are totally clueless. The 122786 ECM used in VSSB Wiring diagram for those messing with one. You can get diagrams for free online at many places, see: User/Service Manuals and Docs Interesting AutoZone. HANSAFANPROJEKT. General Engine and Performance. Most older TBI GM computers will speak this protocol. even thought the ECM is a #1227747 it must come from the same combo well i find out this week just trying to finish welding my exhaust together and start it up let you guys know. Again, this ECM can be found on late 80's Astro vans, as well as C/K pickup trucks although the latter vehicles tend to be rarer in salvage yards. bins from the diy-efi. You are correct though, using high-Z injectors on a TBI ECM does seem to cause idle issues, and is why I switched my friends truck from a TBI ECM (1227747) to an MPFI ECM (1227730), and it runs much better now. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Part of the ECM's job is to "time" the fuel pump run time vs. kind of like Tom's truck when we did the impromptu EFI conversion at B'Ville last year. After that you probably will want to get your hands on an emulator and modify your bin. com offers the lowest prices for genuine 1991 Chevrolet C1500 parts. Also you will need the spark control module (ESTModule from a 350) I do beleive all your 2. put the ecm and prom numbers up here,, see if we can help. What i did on my 94 was to build my own harness that uses the ecm pigtail from a 1227747 ecm from a 92ish fullsize and spliced it to the engine side of my factory harness. The 1227747 ECM was from a junkyard for $30 and the distributor was junkyard for $30. 00 Add to cart #CA/JP258 - TBI KIT: JP1 Emission Legal Version CARB EO #D452 1981-86 CJ 4. The appeal of this route lies in several areas: (1)the ecm's have a 'limp home' mode in case the ecm has a major failure (2) These are widely available and inexpensive (less than $100) (3) these are very robust units (4)Very well documented schematics for many applications (5)The first cost is about $500 for an ecu and a versatile programmer. Site Disclaimer: All trademarks are the property of their respective owners. Section 5 '. fuel injectioning the AMC 304. Thats about the best I can do without being there to see it for myself. I used the common 1227747 ECM, a manual tranny truck. Send your request to dozens of auto recyclers and parts suppliers at the same time, all from the convenience of your computer. heat indicator wiring diagram from sending unit to guages. I'm doing throttle body injection with the 1227747 ecm and it gets tied into B10 on the computer harness. #CA/CJ258 - TBI KIT: JP1 Emission Legal Version CARB EO #D452 1972-80 CJ 4. They're manufactured from durable plastic and have pre-drilled mounting holes and positions for an easy installation. Welcome to the GM Trouble Codes and Check Engine Light codes page. International 4700 Wiring Schematic Were here that may help you research more information about 2001 international 4700 wiring diagram, and offers other manuals guide and experience a lot. We do offer a harness for the 16197427 ecm that controles the 4L60E or 4L80E, give us a call or see our web. Click on any of the pictures for a larger printable version. New, Used and OEM Automotive Parts - Large Inventory - Great Prices Tbi Harness Wchip For 1227747 Ecm Fi Wire Harness For. if it was a ground I would check by the thermostat on the motor. The chip containing the bin is the bigger one when you pop the ECM cover. CJ5 304 Junkyard TBI install. My ECM now knows how fast the vehicle is traveling which should in theory help drivability and to a small degree, fuel economy. wiring diagram for 2006 chevy silverado res wiring diagrams 2000 Jeep Wiring Diagram 2004 chevy truck ecm wiring wiring diagram center 2000 Jeep Wiring Diagram which wires need swapping? 1228746 to 1227747 third generation f 2000 Jeep Wiring Diagram. This is the index to the Megasquirt manuals and other documentation for Megasquirt. 3 V6 with a 1226868 ECM. 0 automatic. You are correct though, using high-Z injectors on a TBI ECM does seem to cause idle issues, and is why I switched my friends truck from a TBI ECM (1227747) to an MPFI ECM (1227730), and it runs much better now. 45: Body. This is for a completely new electronic ignition system, replacing a current one (or a points system), on a Chrysler Corporation vehicle. kind of like Tom's truck when we did the impromptu EFI conversion at B'Ville last year. Page of 16136965 ecm schematic. COM ECM PINOUTS. Should I buy a newer one?. This is a post titled 1227747 Tbi Chevy Wire Diagram, we will share many pictures for you that relate to "1227747 Tbi Chevy Wire Diagram". Should be able to use it. I shortened most all of these harness wires to better fit my close proximity of the ECM to my engine. I know for sure that I know much less about other setups, so please consider other resources before asking me (personally) questions about your particular (different) setup. The $42 ECM Definition file is supplied with the evaluation download and is included with the Tuner and RT Tuner program registration. I must say, wow, there is quite a diffrence!. 1989 Chevy Pickup Engine Diagrams Redesign and Changes 1989 Chevy C K Pickup Wiring Diagram Manual Original Wiring diagrams are black and white, but they frequently have color codes printed on each line of the diagram that represents a wire. I have the wiring diagram for that ECM and i also have the electrical connection to the 700R4 (from the same Camaro). It should be an ON-ON type. 3 Z TBI,1227747 ACSU0024 1987 V 1500 (Suburban) 5. I plan on using a standard GM 1227747 or 1228746 ECM and harness and sensors from a 92 astro van. Throttle Body Fuel Injection (TBI) Diagnosis The wiring schematics and circuit. The OBD1 Tuner program is a general purpose ECM calibration editor that allows you to make a wide variety of calibration changes to your vehicle's OBD1 ECM/PCM from an "easy-to-use" Windows arrangement. If you run the GM ECM it'll probably idle rich until its tuned. That is a wiring diagram, and not a schematic. This is an easy and great upgrade to get away from the expensive MAF sensor and burn-off relays. Introduction. Courtesy of Torben Larsen. You can download SQL Server 2016 Developer Edition for FREE. There are some ECM with differant numbers that are identical to what usually comes in the trucks this site was designed for which is a 1227747. It is normally used for mass production and is used for working extremely hard materials or materials that are difficult to machine using conventional methods. Cross Reference. bin file that they have tuned/modified for their amc 360? I'm working on a tbi for my 360 off a '89 k blazer, 5. Relax, if the image is not enough to help you, you can type what you are looking for on the search form. Starting around 1992, GM started putting the newer electronically controlled 4L60E and 4L80E transmissions in their trucks. fm (looking at connector from outside MCU) ECM WIRING HARNESS. The 1227747 ecm is a good one to use. Page updated 15. We offer high quality new, OEM, aftermarket and remanufactured Chevrolet P30 Electronic Control Unit parts. Don't buy it from a parts store because it won't have a PROM. Wiring Diagram Symbols Readingrat Net Inside Automotive Webtor Me For best 25 electrical wiring diagram ideas on - 28 images - residential electrical wiring diagrams wiring diagram, schematic diagram of electric motor wiring diagram and, 25 best ideas about electrical wiring diagram on, 25 best ideas about electrical wiring. ECM connector Identification in my terms A1- grn/wht- this wire is used to energize the fuel pump relay. I hope that is the case because the Jeep won't start and gives code 33 which is related to the MAP. (350 CID),XXXXX which shows current drain from ECM B, service #1227747. Welcome to TBI CHIPS throttle body injection services. Code Description Code 12 No distributor reference pulse (diagnostic test active) Code 13 Oxygen sensor circuit open or no. 45: Body. Most other GM ecm's get the signal and then send it to the speedo. 3L wiring harness but that shouldn't matter right?. Programming 101 Bruce Plecan The Programming 101 project analyzes GM OEM fuel and ignition management issues. com MS2357-C MegaSquirt-II Assembled ECU: Set it for VR input by putting the JP1 jumper (in the lower right hand corner of the main board) in the 1-2 position, and the J1 jumper (in the middle of the main board) in the 3-4 position. The TBI harness that we offer will get you going on your project. This is a discussion on CJ5 304 Junkyard TBI install within the Drivetrain forums, part of the CJ Forums category; Got the mechanical pump blockoff plate on. ECM: The darling of TBI conversion enthusiasts is the 1227747 ECM since it has been extensively reverse engineered and can be readily reprogrammed by simply plugging in a replacement 'chip'. 3 S-10, and the S-10's #1227747 ECM w/ the Howell chip. 7L, 700R4, 4x4, 3. My Jeep is running a retrofitted General Motors #1227747 ECM, which is the brains of a mid-80's Throttle Body Injection (TBI) system found on Chevy and GMC trucks. com and affiliated sites. 09-01-2012, 11:45 PM #2. the injectors operate irradically and the ALDL does not display the rpm. A5- brn/wht- SES(service eng soon) light. The $42 ECM Definition file is supplied with the evaluation download and is included with the Tuner and RT Tuner program registration. All other ECM Definition Files must be purchased separately. 4 Engines 1985-91 (w/o the 4L60-E or 4L80-E transmissions): Our harness upgrades to the 1988-90 CK truck computer. We do not need a key or any other information from you for TunerPro RT - we simply need a valid email address. Again, this ECM can be found on late 80's Astro vans, as well as C/K pickup trucks although the latter vehicles tend to be rarer in salvage yards. The ECM is a simple computer that runs software programs. Introduction. I also have all the. Post: Again, TBI wiring schematic (Topic#212353) Slurfi Senior Member Posts: 415 Here is a site that has several schematics for the 1227747 ECM. This is the index to the Megasquirt manuals and other documentation for Megasquirt. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram. This video shows how to test both. You can add or remove whatever you need. 1227747 ecm wiring diagram welcome to our site, this is images about 1227747 ecm wiring diagram posted by Maria Nieto in 1227747 category on Oct 23, 2019. Page of 1227747 ecm schematic. You are correct though, using high-Z injectors on a TBI ECM does seem to cause idle issues, and is why I switched my friends truck from a TBI ECM (1227747) to an MPFI ECM (1227730), and it runs much better now. GM Trouble Codes - Check Engine Light Codes. The little one is the limp home calpak. check the connections at the ecm. It is only for 160 baud ECM's. There may be a plug or two you have to swap over, but if you look at the wiring diagram, the terminations are the same for the most part. How do I alter the ECM for more efficiency and mileage with my nonstock engine? Since its OBD-1, it seems there is nothing out there as far as a plug and play power tuner. Your vehicle ECM is GM part number 1227747. Search our online electronic control unit catalog and find the lowest priced discount auto parts on the web. There may be a plug or two you have to swap over, but if you look at the wiring diagram, the terminations are the same for the most part. Also some of the later ECM are waterproof and could even be installed inside the engine bay. Free Shipping and lifetime warranty on all GM engine control module and all other Control units Shop with us today!. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 94-95 model years are oddballs. 1956 ford thunderbird wiring diagram wiring diagram and Expert Advice About Auto Repair That Can Really Help You! When it comes to fixing cars, you may feel like you are totally clueless. 3 v­6 engines. wiring diagram for 55 ford thunderbird get free image - 28 images - unique 1956 ford thunderbird wiring diagram wiring diagram, 1954 ford disc brake conversion autos post, 1956 thunderbird wiring schematic wiring diagram 1956 thunderbird engine See more. Easy to use parts catalog. I have about 40 hours in studying wiring diagrams of each ecm and building the harness. Chevrolet CPI 1992-2004-4. 3 ECM and change the prom (chip) to one that corresponds with your engine choice (ie 5. 3 Way Switch Wiring Diagram --> Power to switch, then from that switch to light and other switch See more. It is simply there to act as a lockup controller. ACDELCO 1227747 Engine Control Module (ECM Computer) ALL THE PARTS YOUR CAR WILL EVER NEED ® Show Prices In US Dollars ($) Australian Dollars (AU$) Brazilian Real (R$) Canadian Dollars (CAD$) Swiss Francs (CHF) Euros (€) British Pounds (£) Japanese Yen (¥) Mexican Pesos (Mex$) Norwegian Krone (kr). They are godawful in stock form and off the shelf "chips" are even worse. I need a fuse block wiring diagram for my 1988 Chevrolet G-20 van, V-8 w/ 350, 5. This will keep you from being stranded in event of sensor failure, until you can get the trouble corrected. 8 EFI system you have, you should try to get as close to that same year which will be at least 88. com will help you find top quality used, rebuilt and even new auto parts. 2L Offroad – Emissions Legal $ 1,395. CrickiKaze. We store customer names, addresses, email addresses and phone numbers so we can find your order if you ask us about it, so we can tell you when your order ships, and so you can use the "Remember Me" feature instead of typing your address on every order. I gave up on the original slow ecm in my 89 a long time ago. 7 smallblock, or the 7. Page of 16136965 ecm schematic. These computers can be "pre-programmed" for your vehicle. I can't find a wiring diagram that matches the 4. 4 big block. This is a post titled 1227747 Tbi Chevy Wire Diagram, we will share many pictures for you that relate to "1227747 Tbi Chevy Wire Diagram". Introduction. then get the wiring diagrams and check the pins/colors at the ecm,,(maybe the aldl problem??) got to get that aldl fixed. We bush throttle bodies for vacuum leak free operation, bore throttle bodies. Unplug the ECM and test the grounds in the plugs. Send your request to dozens of auto recyclers and parts suppliers at the same time, all from the convenience of your computer. So I have the jumper completely removed. You need either a 4. Most older TBI GM computers will speak this protocol. Whether you're on the work site or pulling into your neighborhood, your C1500 does its job dutifully. You may want to add a GM ECS and Knock Sensor your ignition switch lead that goes to your 1227747 ECM will tap off and go to pin B on the ECS pin C will go to B 7 on your ECM and pin B will go to a good ground. We offer a large selection of parts for 82-02 Camaros and Firebirds, including many hard to find items. 1 for 12v to the ignition, ECM power and injectors, and 1 for the fuel pump. But first Some basics: I run 2 relays. 3 Direct Injection E92 ECM Pin Outs - It's time to give back to all of you on LS1 tech that have helped me over the years. They also use a tps, mat , cts, and have a idle air control system. Description: Your 82 and 84 Crossfire Injection Corvette and 82 and 83 Camaro/Firebird one stop shop. Switching between the two is a plug and play dealwith the exception of tuning differences. 4 Engines 1985-91 (w/o the 4L60-E or 4L80-E transmissions): Our harness upgrades to the 1988-90 CK truck computer. 3, but have yet to check my KR. I plan on using a standard GM 1227747 or 1228746 ECM and harness and sensors from a 92 astro van. CSI Automotive Sales, Service & Parts. ACSW 87 C1500 pickup, 5. MegaSquirt Assembled. org in the GMECM FTP section for yours, which is bound to be precise compared to Haynes. I'm thinking of doing the same thing, new 350 in my 91 Sierra 4x4, considering it has 151,000 plus miles on it, mostly hi-way. Delphi connectors are standard on GM original wiring harnesses.