Gm ecu pins

Here are some very important safety precautions when testing the wires coming out of the PCM connectors. I've made every effort to double and triple check the above info and in the next couple of pages and I've used the best sources to compile it but nothing in life is perfect. I don't have a staff of proof readers or editors, I'm just a little guy typing this stuff up in my spare time to help and give back to the Do-It-Yourself community.

So without further ado, here's my disclaimer:. If you do spot errors, please let me know. You can use the contact form at the end of the article.

Many solutions were suggested for this problem, but most of these were largely concerned with the movement of small green pieces of paper, which was odd because on the whole it wasn't the small green pieces of paper that were unhappy! As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website.

Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! Page 1 Page 2 Page 3 Page 4. Each connector can be identified as: C1 Blue 32 Pin Connector. C2 Red 32 Pin Connector. C3 Clear -or Grey- 32 Pin Connector. C4 Black 24 Pin Connector. Contents of this tutorial:. All Articles: 4. Applies To:. Chevrolet Vehicles:. Do NOT follow this link or you will be banned from the site!Being able to remove ECU pins can come in handy for tucking a wiring harness.

The only tool you will need is a pick. You can use anything small enough to fit inside the pin holes. In this tutorial, I am using one of my daughters ear rings. You can use a dental pick, small key ring flattened outtiny allen wrench, paper clip, etc. The first step of the process is to pop open the upper and lower external locking brackets. You need to spread the tabs on the side apart to free up the ears, then pop open the upper and lower locking brackets.

Here is what the ears look like when the locking brackets are open. Next, you need to insert your pick tool of choice into the front of the connector. Each pin hole has an internal lock that locks the pin into place. You need to insert your pick in between the pin and the lock, then pry the lock up, away from the pin.

This frees up the pin and allows you to pull the pin out the back of the connector. Here are more pictures of the locks.

Terminals & Pins

This is what the pin looks like after it is removed from the connector. Putting the pin into an empty pin hole is very easy. All you do is push the pin in. You must be logged in to post a comment. Next Installing ECUflash.

gm ecu pins

Leave a Reply Cancel reply You must be logged in to post a comment. More Stories 4 min read. Injector Tuning- Ceddy. You may have missed. Featured [1G] PoisonIvy. Fuel Pump Rewire. Our Shootout Story []. The Shootout, Presented by Buschur Racing.General Motors OEM replacement connectors for various models and years. Connectors such as for engine sensors, headlights, body lights, under-dash, and more. Engine compartment connectors for GM vehicles.

Chassis type connectors for GM vehicles. Connectors for applications such as tail lights, side lights, back-up, headlights, parking lights, etc. Interior type connectors for GM vehicles.

gm ecu pins

Connectors for radio, dome lights, under-dash, and other interior applications. GM Engine Connectors. GM Chassis Connectors. GM Interior Connectors. Results 1 - 1 of 1. OEM part Exact replacement of the special terminals used in the General Motors electronic control Part : Other products you may be interested in. Part : WT Parallel 16 Gauge 2 Conductor ft.

Copper Stranded Wire. Conductors designed Mini Rocker Switch Panels. Each switch Part : Mini Rocker Panels. Ford Alternator Repair Connector - From thru 1 One Lead is 20 Gauge and 2 Two Part : F. Economy Wire Cutters.

Economy Wire Cutters - These wire cutters are low in cost, but big on quality. Long life Part : T-WC-W Protects wires from rubbing Part : GR White PVC insulation is temperature Part : WS-WH.

Female 0. Made from nickel platedThe connectors are used by some aftermarketvendors and can speed up transmission of data from 1. Stymied and curious about what they do. Any ideas? You do not have the required permissions to view the files attached to this post. I believe they are just in the diagram to show you which pin goes where on the plugs? No matter what the question is, the answer is always more horsepower!

Just starting out? I have attached a pic with the ECM harness connector boxed in yellow, with the two "shady" connectors boxed in green. Thanks for the reply. I am not sure what the green box ones are, some sort of factory programming port maybe The connectors C1 and C2 are what you have circled in yellow. C1 has pins C1 to C16 and D1 to D The green connector circled is likely a breakout of the data bus and a few other things.

Some aftermarket tuning and logging options use them they appear on a number of different Delco ECUsbut you would need to reverse engineer them if there is nothing online showing the pinout and then develop hardware to suit. Built with spanners, not chopsticks.

General Motors (GM) OBD II diagnostic interface pinout

Have a read of the getting started guide. I see the logic now in the number of pins vs. Time to hook up the scope. Felt compelled to perhaps help because I think I know the answer.

Maybe yourself or someone else could still benefit from my knowledge of this space. Many ECM's have one or both of those connectors.The 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. The other row is prefixed with the letter B and its 16 terminals are labeled B-1 thru' B see the illustration above.

Here are some very important safety precautions when testing the wires coming out of the PCM connectors. I've made every effort to double and triple check the above info and in the next couple of pages and I've used the best sources to compile it but nothing in life is perfect.

I don't have a staff of proof readers or editors, I'm just a little guy typing this stuff up in my spare time to help and give back to the Do-It-Yourself community. So without further ado, here's my disclaimer:. If you do spot errors, please let me know. You can use the contact form at the end of the article. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem!

Page 1 Page 2. If one or any of the wires on your GM vehicle DO NOT match the color stated in the pin out charts then you should not use the pin out charts in this article. 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.

gm ecu pins

You should use a Back Probe. You should never disconnect any of the PCM connectors without first disconnecting the battery negative terminal. Disclaimer I've made every effort to double and triple check the above info and in the next couple of pages and I've used the best sources to compile it but nothing in life is perfect. All Articles: 4. Do NOT follow this link or you will be banned from the site!Skip to main content of results for "gm ecm connectors".

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Removing/Adding Pins from ECU Connectors

International Shipping.Intangibles: Lomachenko is in the midst of his physical prime at 29 and has been both active and ambitious in his short career, having fought for a world title in his second pro bout. Rigondeaux is a different story. In fact, there are more things going against him than for him in this fight, including age and weight. As someone who identifies more as an in-ring artist than prizefighter, Rigondeaux's brilliance doesn't always lend itself to easy translation (and appreciation) by judges.

Lomachenko has promised to walk through Rigondeaux "like a tank" and knock him out. While the bold proclamation births the potential for entertainment, it also threatens to summon a dangerous version of Rigondeaux only seen the rare times opponents have forced it out of him through pressure.

What should decide early what kind of fight this turns out to be is just how much the difference in size ends up playing a factor. If Rigondeaux is able to make Lomachenko pay for closing distance without without being defied dramatically by age and his own chin, this one has all the makings to be high-speed chess at its finest. Lomachenko isn't big for 130 pounds and doesn't employ a style (similar to how Orlando Salido leaned on him in his lone pro defeat) where the extra weight will make much of a difference.

Should Rigondeaux survive the early rounds, it will be interesting to see which boxer is forced to alter his style first and make an adjustment. It's a scenario that will be predicated upon who wins the early battle of hand and foot speed to control pace and distance. Rigondeaux has been a maddening fighter to watch because of how pedestrian he can look when opponents are unwilling (or unable) to bring out his best. For every flash knockdown he has suffered through a lapse in concentration while coasting on the scorecards, Rigondeaux has equally dazzled when pushed (think the opening rounds against Donaire) to remind just how absurdly talented he is.

It's because of that feast-or-famine style as a purveyor of the Cuban school of boxing, doubled down by inactivity and marginal competition, that Rigondeaux is so polarizing as an equally under and overrated figure.

gm ecu pins

The fact is, we don't quite know how good he still is or his true ceiling. What makes that dangerous is that neither does Lomachenko. A lot of what this fight will look like is dependent upon whether Rigondeaux can still be the guy he was against Donaire in 2013. If he can force Lomachenko to lower his output with pinpoint counter shots, both the pace and entertainment level will diminish, thus playing into his hands.

But what happens if he can't. What happens if Rigondeaux is so flummoxed by Lomachenko's speed and angles that he's forced, for the first time in his pro career, to be anything but a frontrunner. That's where the danger zone lies for a fighter who has never had a rock-solid chin and is seemingly more inclined to throw less punches as a form of survival than throw more as a means to rally. If Rigondeaux was unable to summon his inner beast against overmatched opponents, what gives the confidence he can do the same should he find himself down on the scorecards.

It's a point that can't be overlooked. What also can't be overlooked is how perfectly suited Rigondeaux might be to solve Lomachenko's offensive puzzle and how motivated he is entering his first fight of this magnitude since Arum dropped him, with four years of spite coiled up and ready to strike.

In fact, Rigondeaux might be the only fighter in the world capable of pulling this off thanks to his speed, smarts and willingness to reduce the bout to its simplest possible form of hit and not be hit. Provided the judges appreciate what they are seeing, great defense can still beat great offense when its executed by someone on Rigondeaux's level. Love it or hate him, it's a place very few have ever been.


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