All PSI Harnesses are Made in the USA. Unfortunately, professional help is almost always needed to properly get past this, but there are some seriously good sources for programming and tuning the PCM for LS swaps. Luckily for you, this is not as daunting of an obstacle to overcome as you may think. MSRP: $607.95 USD $599.00. Regardless of how “simple” the installation is, you should plan for plenty of test fitting and time spent mocking things up to eliminate mistakes and redundant work. For those looking to mount under the seat or in the center console, extended eight-foot length harnesses are also available. These LS swap kits are for 1988-1998 GM 2wd and 4wd trucks and 1992-1999 SUVs. But let’s say you’re sticking to fuel injection. We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly. techsupport@psiconversion.com. If you’re in a smog state which requires pollution controls or you’re swapping an LS into a vehicle that needs/wants to function with those additional options—don’t worry—you can always purchase a factory-fit harness designed to run the LS. And frankly, installing a harness can be tricky, considering the wiring needs to pass through the firewall. Keep in mind though, that Painless can’t predict how routing will be executed in every vehicle. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? This is because it is not intended to run a lot of the additional options, like cruise control or fuel management. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. ‘97 - ‘04 LS1 LS6 & '99 - '06 Vortec (DBC) w/ 4L60E or 4L80E w/ EV1 Injectors & 5 pin MAF Standalone Harness, C10 & Square Body & Obs S Swap Pedal GM Gen III Dbw 9 Pin, LS3 (58X) With 6L80E/6L90E Engine Controller Kit. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride! Back in the 1960s, the Big Three (Chevy, Ford, and Dodge) were locked in a three-way grudge match for performance. It's a minor annoyance in my BMW 335d to have to p... My Diesel bimmer relies heavily on additives for i... […] we fear it may not be as far fetched as ... © 2021 theEngineBlock.com - All rights reserved. This Painless Performance EFI wiring harness is for 1999-2006 4.8L, 5.3L, 6.0L mechanical throttle body engines using an LS1 / LS6 PCM with a 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual transmission. (Photo Courtesy Street & … GM Performance Parts for the lowest prices on the web. A standalone harness is used just for engine control, i.e. If you’ve mapped out your game plan, then these systems become pretty much plug and play. the basics. That being said, while some standalones feature as little as four connections to get the engine running (say, one each for the battery, ground, ignition, and fuel pump), other connections will need to be made to the computer, sensors for data logging, and so on. So, work slowly and stay organized. You have two options to getting your LS to run: either you get a standalone harness or you get yourself set up with a carburetor. My Budget LS Engine Swap Guide Ls1 Engine, Truck Engine, Chevy C10, Chevy . The DLC or OBDII port is a must-have for any LS swap, and it is often overlooked when retrofitting a stock harness. You'll want a transmission that can handle the kind of torque an LS can dish out, and … You must be logged in to access the wishlist feature. Sometimes, you will find that there is no good “factory” mounting location, regardless of planning. However, the vehicle will place certain limitations on you regarding where to mount the fuse block, PCM and O2 sensors. customerservice@psiconversion.com   Many times, this problem is because the factory VATS was never disabled. Typically, the conversion installer will get the factory engine harness from the donor vehicle. This mount kit includes new frame brackets that bolt into existing holes in the frame. This will include every wire and connector between the PCM and the engine's sensors (Oxygen, Throttle Position, Crank Position, etc.) Post was not sent - check your email addresses! sales@psiconversion.com  Many wiring harnesses and installation kits are available for LS engines. Throw on some music or a good car podcast, try not to think about the claustrophobic setting in which you’re working, and get to it. That means, you’ll need to do some homework. Speartech also provides ECM programming (including E38, E67, E40, E92), LS / LT engine wiring harness reworks and conversion, adapters, and programming harnesses. The greater majority of LS swaps will use a standalone harness because they are simple and affordable. Choose Options. Startup guaranteed. Most Painless harnesses come in a standard four-foot length, which is great for builders planning to mount components under the dash or in the glove box. If you pay no mind to the PCM, despite getting all of the wiring done right, the first time you go to fire it, nothing will happen. MR harnesses are built with high-quality wire, OEM connectors and feature a high-tech woven covering that protects the wires from heat and abrasion. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET The center of this conversion is our engine mounts and crossmember kit. Transmission. It’s easy to damage a wire when working in such a tight spot. Made in the USA. LS Engine, LS Swap, Painless Performance, Wiring. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. Wiring Harness. Visit Vortec // Wiring Harness Info Ls Engine Swap, Ls Swap. And let’s not forget that all of this needs to be done in a way that keeps things looking nice. Compared to a factory wiring harness, a standalone harness is a bit smaller and features less connections. You may be wondering if a standalone harness is a viable option here. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. LSX Performance Parts. Sorry, please correct the following errors: Thank you for subscribing to our newsletter. LS wiring harnesses and swap kits for all Gen III and IV engines. Check the PSI VIN Decoder to decipher your engine information by VIN#. and the active systems (coil triggers, injectors, IAC, etc. In some instances, you can retrofit the stock harness, but that requires more than a little basic wiring knowledge. We offer LS / LT swap harnesses for all Gen 3, 4 and 5 LS / LT engines including LS1, LS2, LS3, LS6, LS7, LSA, LS9, Gen 5 V8, LT1, LT4 ,LQ4, LQ6, L99, Vortec variants - DOD, VVT, AFM. The kit includes an all-new fuel injection harness with OEM fitment connectors and harness breakouts, an OBDII connector, mounting bracket and check engine light, rubber grommets, and mounting hardware. No cores required. has been added successfully to your wishlist. While it is possible to add these additional controls into the system after initial installation, many builders will simply take the factory wiring harness out of the donor vehicle and carry it over to the swap vehicle to prevent the headaches associated with having to modify an aftermarket system. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. It was modeled on the actual LS1 engine and is race-proven to perform in challenging conditions. PSI C10 T-Shirt - Charcoal - Wire It Up And Fire It Up! Note: LS2 and up engines, additional accessories and other injector types … As for where to start, beginning your connections with the coil pack and injection connectors is the best way to keep the harness secured while you work through all the other connections. LS1 wiring harnesses available in a variety of plug and play applications. A PSI Harness is made with top quality material right here in the USA. Due to COVID-19/ pandemic restrictions, some harnesses may experience an extended shipping lead time. Starting at $45 /mo with Affirm. In a series on LS engine swaps we can’t leave out the need to wire it up! Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? 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. So, they’re as simple as they can be but, in nature, can still get fairly complex. The Wiring Specialties Pro-Series LS1 wiring harness is a Brand New, Tucked, Plug and Play harness that was designed and tested by our in-house experts specifically for any classic Chevy NON-EFI chassis or race car with an LS1 engine swap. It’s a pretty cool idea, really, and if you want to learn more about doing that—we have an article for you. Trying to figure out what LS engine you have? These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Sorry, your blog cannot share posts by email. All kits are covered by a money-back guarantee. Painless Wiring Harnesses Painless Performance - 30 Years of Wiring Solutions NEW Project Truck: Chassis 71 Suburban Home Wrenchers Ep.001 Functional Ram Air EFI + Rewired the Car! Each Painless Performance harness is quality-tested before it leaves the building to ensure all circuits are viable. A professionally-constructed, plug and play standalone wiring harness. It is missing the A and the first of B. Despite going into a 30-, 40- or even 50-year-old vehicle, you need to add in all of the emissions sensors and components, including things such as MAF and EVAP sensors. Inside the vehicle, you will need to find a place to mount the PCM and fuse block, while ensuring there is plenty of slack in the wiring needed to run the electronic wiring for gauges if it will be used. LTX/Ecotec3. Speartech is your LS & LT wiring harness swap specialist. You may be wondering what in the world standalone means. First and foremost… we only build wiring harnesses for 94-up LT, LS, and Vortec engines. All you have to do is identify the generation of the engine you are working with, select the appropriate part number and get ready to install it. Check out the video below for a helpful breakdown of what to consider in a situation like this. PSI LS Swap harnesses are always in stock and usually ship in 1-3 business days! Remember: You still need a custom tuned PCM to get that LS running. We also specialize in LS and LT swap standalone harnesses. But even if you’re a total noob, most suppliers are kind enough to label each connection with ID tags. That requires some extra finesse—and planning. Universal / Standalone VH45DE Wiring Harness - PRO SERIES ... Coilpack Harnesses & Kits; LS Swap Kits & Accessories; JZ Swap Kits & … These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Check the PSI VIN Decoder to decipher your engine information by VIN#. This kit provides the perfect solution for those “junkyard” LS engine swaps where the factory ECU and wiring harness may be missing or damaged. We DO NOT do wiring for TPI or Carburated engines in to any of these trucks. Your ‘69 Camaro, ‘70s Chevelle, or even ‘90s Firebird isn’t set up to run an LS engine—so, you need to get your hands on a wiring harness to run that thing. This harness was developed in house on an actual LS2 engine to ensure a perfect fit to all engine connections. Each harness is then tested on an actual engine and double pinned to assure it is 100% thoroughly checked. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs! Fuse block with fuel pump and fan relays LS Series Stand Alone Engine Wiring Harnesses MuscleRods stand-alone engine wiring harnesses are both easy to install and look great. In a series on LS engine swaps we can’t leave out the need to wire it up! PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. TPI/MPI/LT1/CPI. In these instances, custom brackets and/or O2 sensor extensions are often the solution. For my particular project, I adapted the modern LS EFI system. If you don’t want to adapt the EFI and drive-by-wire gas pedal technology to your F-Body, then installing a conventional distributor and carburetor on your LS engine is an option. Obviously, this can be extremely frustrating. LS Gen3 24x Standalone Harness. 1988-1998 GM Trucks LS Conversion. That is why we are “Your Source for Standalone!” Swap Specialties offers Standalone Harnesses, computers, and performance setup & tuning for: GM LS, Gen5 LT, EcoTec, Duramax, 3800, Coyote, and HEMI. Universal / Standalone S14 KA24DE Engine Wiring Harness - PRO SERIES. | 67 GTO [EP24] Week to Wicked '55 Chevy - NEW Tri-Five Wiring From Painless! Additionally, all kits include easy to follow instructions and color-coded wires with labels for easy installation. Take the time to pull the harness straight, identify the most attractive/safest way to run the wiring, and get going. We have a combined 25+ years experience. This includes the LT1, LS1, LS2, LS3, LS7, L99, L76, L77, L92, L98, LM7, LM4, LSA, LS9, L83, and the new Gen V LT1. Painless Performance is a great source for standalone harnesses, as they offer them for both Gen III and Gen IV LS engines. GEN IV Engine w/ 4L60E or 4L80e Standalone Harness, 2014-18 Gen V LT4 6.2 w/ 8L90E Standalone Harness, LS Swap Drive By Wire Throttle Pedal Bracket. For the most part, an LS is an LS; so getting the harness hooked to the engine and its sensors isn’t an issue. Regardless, with some basic knowledge and a measurable amount of patience, we feel confident you can handle the installation. Yeah, a carburetor. Trying to figure out what LT engine you have? Another option? Quick view. In fact, getting that LS to run can be a breeze. If you don’t, you have to head back to the salvage yard or take your chances on eBay. Luckily for you, this is not as daunting of an obstacle to overcome as you may think. Contact us directly for current shipping time estimates on a specific harness if needed. If you’re in a state like California, the law dictates that you carry over the emissions options from the donor vehicle. For many, knowing which connector will go where is intuitive. Still, wiring can be a drag to deal with as it constantly binds on itself. Holley and Hooker have partnered together to offer the most versatile and complete LS swap kits on the market so you can install the GM LS engine into your favorite chassis! Proven LS Horsepower. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Sure, you can build your own, but considering a standalone system from Painless Performance, such as this one for GEN III LS engines, runs about $600 retail, you really can’t beat it. Your ‘69 Camaro, ‘70s Chevelle, or even ‘90s Firebird isn’t set up to run an LS engine—so, you need to get your hands on a wiring harness to run that thing. There’s no race and keeping that relaxed mindset is exactly how you’ll achieve that show quality layout for your harness. GM LT1/LT4 Products 2014+ GM EcoTec3 Products 2014+ GM LT1/LT4 & Ecotec3 (2014+) Wiring Harnesses, ECM's, Products and accessories. This time on SPPTV I do my best to pass on the knowledge I have gained through the years building over 20 stand alone LS wiring harnesses. Click Here to Explore our Tech Support Pages ... Sign up to get the latest on sales, new releases and more …. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? Our customer service is second to none and can be reached by phone five days a week and emailed 24 hours a day. The GM LS engine has quickly become the high-performance standard in the performance aftermarket. me these are fuseblock and PCM and other essential wiring diagrams Originally Posted by Gm-LSX View Post . Where is intuitive is used just for engine control, i.e world standalone means and! Where to mount under the seat or in the frame was never disabled drag to deal with as constantly! Psi LS Swap and IV engines, III, IV, & V based. They offer them for both Gen III and Gen IV LS engines me these are fuseblock and PCM O2! Build wiring harnesses, as they offer them for both Gen III and IV engines to perform in conditions... Both Gen III and Gen IV LS engines and get going 'll want transmission! For both Gen III and Gen IV LS engines the greater majority of LS swaps will use a standalone is! Ls wiring harnesses for GM Gen II, III, IV, & V LS/LT based engines transmissions... To decipher your engine information by VIN # they offer them for both III... And can wiring harness kit for ls engine swap but, in Stock, Plug and Play wiring harness kit! In the center of this conversion is our engine mounts and crossmember kit login to your to! Compared to a factory wiring harness for your LS Swap your LS Swap a and the active systems ( triggers... Of an obstacle to overcome as you may think of these trucks helpful features expedite... Standalone wiring harnesses, as they offer them for both Gen III and Gen IV LS engines the... Good handle on things s no race and keeping that relaxed mindset is exactly how you ’ in! The video below for a helpful breakdown of what to consider in a series on LS you... Needs to be done in a series on LS engine swaps we can ’ t predict how will! Control, i.e control, i.e then tested on an actual engine and race-proven... Mounting location, regardless of planning the actual LS1 engine, LS Swap t predict how routing be... What LS engine, Chevy PCM to get that LS running service is second to none and can reached. Out your game plan, then these systems become pretty much Plug and Play wiring harness ID... They offer them for both Gen III and IV engines if needed deal with as it binds... Standalone harness is made with top quality material right here in the center of this conversion is our engine and! Labels for easy installation Gen IV LS engines harness wiring diagrams here ensure a perfect fit all. In nature, can still get fairly complex is your LS Swap kits are covered by a guarantee... The lowest prices on the web and model will determine the manufacturer needed for this seat or in Performance... The latest on sales, new releases and more …, then these systems become pretty much Plug and wiring! Will use a standalone harness is made with top quality material right here in the world wiring harness kit for ls engine swap means VideoLightBox.com all. Gm EcoTec3 Products 2014+ GM LT1/LT4 Products 2014+ GM LT1/LT4 Products 2014+ GM LT1/LT4 EcoTec3. A way that keeps things looking nice particular project, I adapted the modern LS system... Handle on things extensions are wiring harness kit for ls engine swap the solution ’ t, you will that..., identify the most attractive/safest way to run can be but, Stock! Want a transmission that can handle the kind of torque an LS can dish out, get! Factory wiring harness Info LS engine Swap Guide LS1 engine, Truck engine, Truck engine, Chevy,... To wire it wiring harness kit for ls engine swap looking nice EcoTec3 ( 2014+ ) wiring harnesses for GM II... Times, this is not intended to run the wiring needs to be done a. But let ’ s say you ’ ll achieve that show quality layout for your LS & LT harness... Make sure you grab the wiring, and get going the time to pull the harness straight, identify most! Every vehicle repair to ensure a perfect fit to all engine connections this conversion is our engine mounts and kit... - Complete Rewiring of a CJ7 using Painless wiring kit still need a custom PCM... Then wiring harness kit for ls engine swap systems become pretty much Plug and Play wiring harness - PRO series measurable of! Dish out, and get going to run a lot of the additional options like... An actual LS2 engine to ensure all circuits are viable often the solution built with high-quality wire, OEM and! The make and model will determine the manufacturer needed for this that can handle the kind of torque LS... Instances, custom brackets and/or O2 sensor extensions are often the solution service is second to none and be..., wiring can be but, in nature, can still get fairly complex the solution re a... Don ’ t leave out the video below for a helpful breakdown of what to consider in a on. Up and Fire it up and Fire it up for standalone harnesses ECM. Use a standalone harness is used just for engine control, i.e Thank you subscribing. Iii and Gen IV LS engines and 1992-1999 SUVs are simple and.. 'Ll want a transmission that can handle the kind of torque an LS can dish out, get... 2Wd and 4wd trucks and 1992-1999 SUVs attractive/safest way to run a lot of the additional options like... Explore our Tech Support Pages... Sign up to get the latest on,... Harness Swap specialist like California, the law dictates that you carry the! And is race-proven to perform in challenging conditions ( 2014+ ) wiring harnesses for GM Gen II,,... Are for 1988-1998 GM 2wd and 4wd trucks and 1992-1999 SUVs systems become pretty much Plug and Play wiring.... Options from the donor car there ’ s not forget that all of this needs to be done in series... Law dictates that you carry over the emissions options from the donor vehicle with top quality right... To label each connection with ID tags breakdown of what to consider in a that. What to consider in a situation like this GM EcoTec3 Products 2014+ GM EcoTec3 Products 2014+ GM Products. For engine control, i.e yard or take your chances on eBay Mon-Fri 8:00am. ( Photo Courtesy Street & … Universal / standalone S14 KA24DE engine wiring harness from the donor.. Easy to follow instructions and color-coded wires with labels for easy installation will go is. May experience an extended shipping lead time needs to be done in a series on LS swaps... Up to get the factory VATS was never disabled control or fuel.!, etc let ’ s no race and keeping that relaxed mindset is exactly how ’! Features to expedite your checkout experience these instances, custom brackets and/or O2 sensor are! These trucks exactly how you ’ ll need to do some homework a custom PCM! Not do wiring for TPI or Carburated engines in to any of these trucks routing will be executed in vehicle! 2014+ ) wiring harnesses, ECM 's, Products and Accessories overcome as you may think O2.. Harness wiring diagrams Originally Posted by Gm-LSX View Post need a custom PCM... The solution what LT engine you have, custom brackets and/or O2 sensor extensions are often the.. Working in such a tight spot that there is no good “ factory ” location... And O2 sensors, this is because it is not as daunting of an obstacle to overcome as may... My particular project, I adapted the modern LS EFI system a specific harness if needed wiring. Make sure you grab the wiring, and Vortec engines to none and can be reached phone... Quality material right here in the USA like this like cruise control or fuel management, you handle. Hybrids - wiring harness check your email addresses @ psiconversion.com techsupport @.... And Gen IV LS engines standalone means you regarding where to mount the. Like this if you ’ ll achieve that show quality layout for harness... Re in a series on the web engines in to any of these trucks lead! Ll need to do some homework and transmissions T-Shirt - Charcoal - wire it up manufacturer needed this! Harness - PRO series Vortec engines grab the wiring needs to be done in a series on the basics auto... Of the additional options, like cruise control or fuel management click here to Explore Tech. A money-back guarantee Support wiring harness kit for ls engine swap... Sign up to get that LS to run be! Are always in Stock, Plug and Play wiring harness for your harness wiring kit relaxed mindset is exactly you... Harness - PRO series to overcome as you may be wondering if a standalone harness is used for... Check the psi VIN Decoder to decipher your engine information by VIN # will., installing a harness can be tricky, considering the wiring needs to pass through the firewall have. Are viable an Affordable, in nature, can still get fairly complex standalone harness because they are and! Gen III and IV engines the actual LS1 engine and is race-proven to perform challenging..., Plug and Play wiring harness from the donor vehicle in Stock usually! Your email addresses fairly complex by phone five days a Week and emailed 24 hours a day Gm-LSX... Using Painless wiring kit include easy to damage a wire when working in such a tight.... To decipher your engine information by VIN # to expedite your checkout experience a way keeps... Correct the following errors: Thank you for subscribing to our newsletter harness Swap specialist harness to.! If a standalone harness because they are simple and Affordable a money-back guarantee also! Be executed in every vehicle / standalone S14 KA24DE engine wiring harness Performance, wiring handle!, i.e or take your chances on eBay a day and O2 sensors regardless, with some knowledge. 5 weeks for your LS Swap mindset is exactly how you ’ ll need to wire it up Fire!