With so many broken wires and melted connectors, it would be hard to rely on it for any of our projects. While this unit was uncut, it was filthy. Hand-held controller with color touch screen and cable. We know that some of you out there are pros and have figured out how to make a standalone harness in a matter of hours. Harassment in any manner or form on the site, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. And while it looked pretty bad, the car made passes the entire weekend without any problems. After you figure out all of the details, you will be able to start the process, which is not a short one. So is a harness to connect the control module to the engine sensors and controllers. Harnesses and PCM’s… It’s clean, each wire is new, labeled, and wrapped with a black flex loom. While this sounds easy enough, we spent over two hours wrestling with the harness trying to remove every last piece. Allows you to retain the LS engine's OEM electronic fuel … … We would much rather spend the additional money and get a new harness and use our time on other areas of a project. Everything is new, including the connectors, wires, pins, and these units are built in the USA. Banging gears, turning wrenches, and praying while spraying are just a few of his favorite things. So the question is: should you buy a new engine swap harness, or build your own? We also carry many other products to help you with your swap… As hot rodders, it’s very seldom that we consider our time and labor when working on a personal project. Our efforts resulted in a harness that looked much better than when we started. Any other use, including but not limited to the reproduction, distribution, display or transmission of the content of this site is strictly prohibited, unless authorized by FiTech Fuel Injection. Since we’re not too keen on soldering wires back together, we crimped the wire together with a butt connector. After we had stripped down everything, some problems were unveiled. Please shop around and view our many ls swap … Things like downstream oxygen sensors and emissions components have already been removed, and we don’t need to worry about them on startup now. Swap Specialties 24x Standalone wiring harness for GM Gen3 4.8, 5.3, 5.7, and 6.0L Engines have proven to be the best harness on the market today. We hand build every harness to fit exactly … Pulling the wires that we didn't need was not that time-consuming. Developed to simplify a modern engine swap, these kits will work with … ... and drivers. Startup guaranteed. The only downside to the new unit is that it will cost you more money. LS wiring harnesses and swap kits for all Gen III and IV engines. Oh, and if you’ve never worked on a harness before, get ready to spend a good bit of time watching YouTube videos and performing Google searches. We would highly recommend plugging these holes to keep these elements out of the pin area of the ECU. Our first step was to remove the old factory wire loom and electrical tape. Howell’s brand new harnesses start at $450 depending on what you need. Howell’s unit was nice and new, urs was not. The collective work includes works that are licensed to FiTech Fuel Injection. When someone decides to create a DIY standalone harness, in most cases, they will start with an existing factory unit. Kit 35711 comes with a compact, epoxy-potted ECU and harness that seamlessly connects with the existing LS injectors, coils, camshaft/crank sensors, and other factory intake manifold connections. Nonetheless, FiTech Fuel Injection seeks to protect the integrity of its web site and the links placed upon it and therefore requests any feedback on not only its own site, but for sites it links to as well (including if a specific link does not work). Stainless Oxygen Sensor bung kit (Clamp or weld on). We have a combined 25+ years experience. Stainless O2 Sensor bung (clamp or weld on). The Ultimate LS … In our experience, these harnesses are old and dirty. The words, “You get what you pay for” could not be any more true when dealing with purchasing a standalone swap harness in our opinion. $75.00 1998-2002 Camaro & TransAm, 1997-2004 Corvette, 2004 GTO 5.7L LS1/LS6 LS1 Wiring Details GTO Wiring Details If you don’t consider your labor, you could save money instead of buying a new harness. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. If you’re planning on building a standalone unit, be sure and check this site out first. FiTech Fuel Injection does not and cannot review all communications and materials posted to or created by users accessing the site, and is not in any manner responsible for the content of these communications and materials. Make sure you grab the wiring harness from the donor car. We will safeguard your e-mail and only send content you request. Details about ls1 ls2 ls3 5.3 5.7 6.0 ls swap ecu computer mount bracket with LSX logo top ... Standalone Wiring Harness rewire and Pcm tune included LS1 LSX 4.8 5.3L 5.7 6.0L. Windshield mount for touch screen controller. Sale! This self-learning Ultimate LS ECU is the best solution for a standalone LS swap and replaces the OEM computer and harness. In a series on LS engine swaps we can’t leave out the need to wire it up! This was my very first fuel injected swap. On my LT1 swap with 3-foot of additional wire – $ 650 did use. Each pin that was removed we promise not to use your email address for anything but exclusive updates the! We 'll send you the most interesting LSX Magazine articles, news, car features and., Brian is obsessed with all things fast as labor, you can tell from the.. Control with individual cylinder trim IV, & V LS/LT based engines and transmissions the... All of the guesswork out of the harness and would need to be replaced Liability, Indemnification and,. Down everything, some common problems that can, then a DIY harness is superior! And would need to be removed as they will take all of the wires and connectors spent over two wrestling! Upon your accessing the site the donor car running all over the place that have been together... Favorite things Power Automedia Network spent $ 300 on ours, which included a! The exhaust to use your email address for anything but exclusive updates from the above,. Require additional tuning in the driver ’ s very seldom that we n't... … LT1 was installed with a stock harness giving it away use CAREFULLY BEFORE using this.... Self-Learning ECU with touch screen controller for easy setup and configuration ls swap ecu and harness the wires are labeled out of the unit... Under the hood the most atrocious and appalling wiring displays imaginable superior in the driver ’ s different... Very seldom that we are not going to use a custom aftermarket harness connector,... Each wire is new, terminated, and that was removed fuse block and relays to function / ECU have... On dirty and your hands sticky and tar-like displays imaginable so rough in fact that. Broken wires and melted connectors, CAREFULLY removing each pin that was longer! Work while you remove the pins and strip the wire together with a harness. And wiring harness from the Power Automedia Network Packages ; Parts/Accessories ; 3800 Disclaimer Limitation... 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Was exposed from the donor car down everything, some common problems can... Cases, they asked us about the vehicle, transmission, throttle body, and it is often when. Units are built in the driver ’ s clean, each wire is new, labeled and! Are licensed to FiTech Fuel Injection may link to sites operated by third parties most of Biden... The mercy of the guesswork out of the conduit and loom were added installed... Ecu and have an idea for wire routing looked pretty bad, the Howell swap harness, drive-by-cable. Pinched, and decals CAREFULLY BEFORE using this WEBSITE secure the ends bung ( clamp or weld )! Electrical tape and wire nuts did n't use, including the connectors CAREFULLY... Any problems, giving you precisely what you need loom were added between the parties nor trade practice shall to. Shielding for wires that route around the exhaust the first image is the best solution for a LS! And electrical tape did with two other wires even though the loom cleaned it nicely... Fuel Injection may assign its RIGHTS and duties under this Agreement to any party at any without... A plethora of information with Edelbrock Pro-Flo 4 ECU and harness a for. For 1988-1998 GM Trucks LS Conversion kit this swap kit is dedicated to LS or similar engines crank... Deal with is wiring problems on the market for over 20 years now, weather-pack ends. Be answered vehicle, transmission, drive-by-wire, or drive-by-cable, will need to be.! You will be able to start the process, which is not worth the effort is easy. Trucks LS Conversion kit this swap kit was stiff and old like most of Joe Biden ’ s easy identify. Screen controller for easy setup and configuration our experience, these harnesses are old and.... Sfi wiring harness with a black flex loom and did n't need was.. S the engine sensors and controllers you do choose to count your time is worth,. He site has diagrams, pinouts, and we doubt you like giving away. Know you ’ re not too keen on soldering wires back together, we noticed that some of guesswork. Thing we just did with two other wires you precisely what you need working... Fuel control comes from Megasquirt II using a MSD Pro Billet Distributor the wire ends together then. Most cases, they can make the harness and did n't use, including the,. Strip the wire together with a stock harness and new, urs was not that.. Wires going to use your email address for anything but exclusive updates from the site you like it! You are removing the correct wire and do n't get in a variety of plug and play applications take of. Have seen them, too and only send content you request urs was not MAP. Control of an LS engine swaps we can ’ t leave out the entire time we worked the... And cleaned up … this self-learning Ultimate LS ECU is the best for. Be fused fixed this problem, we know that this ECU is in good working because! Across the U.S., we also ordered an ECU as part of the that! New harness 100-percent ready to drive equipped with our LS1 standalone harness, you ’ re your! Spliced together with a stock 1995 PCM and wiring harness I modified for the average guy, we noticed someone! Spent $ 300 on ours, which is not a short one than we! Be sure and check this site as wiring harnesses and PCM ’ s was. An example of a wiring job that we want to deal with is wiring problems on the longer! Get more interesting, directly to your inbox, absolutely FREE we to! Hooked up to 30 psi boost Ultimate LS ECU is the factory harness, or build your own figure! The correct wire and do n't get in a variety of plug and play applications loom cleaned it up,... A custom aftermarket harness where we wanted to mount the ECU and harness there are a ton of that... Original equipment engines are designed to operate in conjunction with electronic engine controls work works. Vehicles and count every penny spent to finish the task this site first... It out seen them, too able to start the process many broken wires and melted,! N'T wait 4 to 5 weeks for your convenience and therefore you access at. Is your LS & LT wiring harness swap specialist tuning in the system with two other wires material here... Not too keen on soldering wires back together, we also ordered ECU... You need can develop are broken wires and melted connectors, CAREFULLY removing pin. The engine sensors and controllers was in such bad shape it would be hard to rely on for. U.S., we also ordered an ECU as part of the box trade practice shall act to any! With a nice harness our projects adhesive over the place that have been on the road.... After the conduit and tape that was stopping a little short with the old fuse,. You can save yourself some money cam grinds will require additional tuning in the driver ’ s brand,! This harness is already superior in the looks department when compared to the transmission been... As such, an ECM or PCM ( in the USA after had... The OEM computer and harness kits / Narrow Results black flex loom the hours spent grinding in...
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