Radiators . Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. A common problem with aftermarket headers, the coolant temperature sensor may need to be moved to the passenger side head. See our installation guide for more info on this LS swap. LS Swap DIY Harness Rework Fuse Block kit for LS Standalone Harness with Fans 1993-2015 LT1/LS1 DIY Factory Harness Mod Kit Application 1993-2015 V8 Drive by Cable and Drive By Wire GM Harnesses. Now, where does the computer go? CHEVMOWLET ~ Farmtruck and AZN’s Drag Racing Lawn Mower, 10 Techniques That Will Make You A Better Driver, Synthetic vs Conventional Oil ~ There’s A Good Reason To Switch, Drag Racing 5 of C&Cs Fastest Minibike Builds, Making a Custom Stake Pocket Fuel Filler for a Fleetside Bed, Hot Rod Chassis / Body Swaps ~ An Overview, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, How To Organize Your Tool Box For Maximum Storage Space, How To Disassemble An Early Ford Straight Axle (with stuck rusty bolts), 1965 Chevrolet C10 RideTech Air Suspension Install, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. This is based on the draw from the fans, if the fans are larger and draw more than 15 amps each, it's recommended to install a second relay kit as shown below. With dual cooling fans, there are two methods for wiring up the relay kit. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. Our LS series cooling system is designed as the perfect solution for LS Swaps. This harness cost around $450 shipped, and was seamless to install. Next, splice together both black wires from the relays (tab 85) and connect them to the thermostat switch. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. All PSI Harnesses are Made in the USA. These electronic gauges and senders can be wired into your LS wiring harness. Outputs for fans, fuel pump, and a tachometer are also minimum requirements. LS Swap Wiring Heroes. First and foremost, a power source needs to be created, as well as usable grounds and a key source. Oil level, oil pressure, and EVAP (Evaporative Emission Control System) wiring should likely be eliminated; also catalyst O2s and potentially the entire transmission harness, should you be running an older GM four-speed or aftermarket, manual transmission. All rights reserved. The VA system provides ground for the relay coil. 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! Or a single relay could be used to control both fans. We are currently up … When it comes to your swap’s electronics, Lampe says there are a few options. “crank spacer” is a bit of a misnomer. Shep Shepherd’s 1935 Ford Rat Rod ~ “MoonShine”, An Online Magazine for DIY Hot Rod Builders. Another option is to send your truck harness to a reputable source that can reuse what you have and turn it into what you want for about $200-$250. Either way, you’ll have to integrate those into your car’s non-engine systems. Be sure to secure the wires using tie straps. Looking at the wiring diagram for a 2002 Corvette it looks like the ac request pin on the PCM is grounded by the ac controller (manual control) however on 2002 camaro schematics it looks like the ac request is switched to +12. Crankshaft spacer; This applies to all transmissions that were originally used prior to the introduction of the LS platform around 1999. Jake’s itch for hot rods and musclecars stems back to when he first learned to walk. With the availability of wrecked and rusted late model GM trucks, a 300 to 400 horsepower plant is a popular option to replace worn-out small blocks and run-of-the-mill 6 cylinder units. 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. Cutting Steel ~ Plasma Cutter vs Circular Saw, 1932 Ford Gasser Barn Find ~ Legit Drag Racing History Revealed, Plasma Cutting 101 ~ Introduction to Plasma Cutting, How To Clean and Sharpen a Dull Metal File, 1951 Buick Straight 8 Fireball Engine Rebuild Time-lapse. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. “You still have to connect the powers, grounds, and outputs,” notes Lampe. LS Swap Radiators; Special Radiators; Accessories. Jake is a graduate of Roger Williams University, and has a career as a firefighter in southern Rhode Island. Luckily, you have some old parts laying around from the F-body you had in college. From there, we know that the LS1 intake manifold will need different (EV-1) plugs for its respective fuel injectors. Truck wiring harnesses travel over the top of the intake manifold, so do we want that massive bundle of wires loosely sitting on top of our pretty car intake? The typical headers that will work for your LS are usually a long-tube header with a 1 3/4-inch primary tube, and a three-inch collector. From there, we know that the LS1 intake manifold will need different (EV-1) plugs for its respective fuel injectors. © 2020 Power Automedia. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? Jake believes all hot rods should have a third pedal. Hopefully, you can find guidance, or at least some clarity in what options are available and make a decision that best fits your application and budget. FUEL SYSTEM For the fuel system when doing an LS swap, the most common approach is to use a C5 Corvette fuel pressure regulator along with an electric fuel pump that has adequate flow, such as the Walbro 255. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. The cooling fan wiring diagram below is what we’ve found to be the simplest and most reliable method. There are several ways that a dual fan can be wired. Here are some simple ideas on how to organize tool boxes and maximize storage space. Hooker Headers currently gives you a choice when it comes to LS-swap headers. We finally have a wiring harness upgrade so that you can pin your electric fan upgrade directly through the ECU and let it control the fans (ECU does need flashed). Primary wire is typically an 18-gauge wire and is the most common wire found in wiring harnesses. I know I don't HAVE to understand it, but it would put me more at ease when ordering stuff. We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. Depending on header configurations or turbo applications, lengths and locations for oxygen sensors could be drastically different than from that of the SUV you robbed your $300 engine from. (fig.6) 5b.Notice Flex-a-Lite / Universal Fan Motor Plugs: Universal/Flex a Lite fan harness motor plug leads, these wires* themselves will be grouped and tagged together as Fan #1 and Fan #2. Joined: Jun 1, 2005 Location: Scott from Hamilton, NJ. You can “cut down” the OEM harness or buy a universal aftermarket harness. He rarely does actual LS1 swaps because you can go to a junkyard and The next biggest expense in the swap is the wiring harness. For that reason, headers are your best option when installing an LS engine. These guys are out there however, there are a ton of fly-by-night operations on eBay that may not deliver, so choose wisely. Search for: Search. Single Fan Wiring; Dual Fan Wiring; AC Relay Wiring; Electrolysis; Warranty; Ordering; Close Menu. Showing the single result. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay (tab 87). The cooling fan wiring diagram below is what we’ve found to be the simplest and most reliable method. The harness is setup to control your dual fan combo and comes wired with the factory 05+ GM truck plugs. Dual electric fans could be the solution to your cooling issues. Mar 4, 2017 #5. wiseryder Veteran Member Lifetime Gold Member. Custom Radiator Template Griffin Specialties Universal Combo Units The wire in Painless Performance kits runs a little larger than the standard; the primary wires are 16-gauge, with 12-gauge for heavy-draw items such as the headlights. We have moved! This could be an ideal situation for someone who picks up a junkyard engine with a botched harness (they aren’t always nice to the wires on the way out). Cart. All rights reserved. His free time is spent wrenching on, and drag racing, GM musclecars. Griffin LS Series Radiators are designed to give high performance cooling and ease of installation to any LS Swap application. Roadkill Customs has evolved from local hot rod shop to online how-to magazine for budget-minded do-it-yourself hot rod builders and enthusiasts. LS Swap Wiring Harnesses. Want to integrate 12200411 PCM control of the AC compressor with my vintage air system. This is the new harness that many customers have been asking about. It seems for many people that the scariest part of the modern engine swap is the wiring harness. Sale! All of these options, from re-pinning your original wiring harness to purchasing a complete, standalone operating system, come with different individual costs and level of complexity. Go-Kart Mysteriously Appears ~ Will it Run and Ride? There are numerous options to overcome this quandary. Ls engine swap wiring diagram basic engine wiring diagram chevy chevy ls1 swap wiring diagram swap wiring harness ls1 coil wiring. Sounds easy, however, if you’re anything like me, what starts as a well-orchestrated plan turns into an unorganized rat’s nest. These harnesses can range from $350 to $1,000 depending on what loom is used, turn-around time, and how elaborate your customizations are. Some of the changes were: forward-facing oxygen sensors, passenger-side coolant temperature sensor, EV-1 (SD 80) injector plugs, and a 5-foot lead for the primary fuse block. Or a single relay could be used to control both fans. LS engine swap kits for 1955 to 2003 cars and trucks. Outputs for fans, fuel pump, and a tachometer are also minimum requirements. just 1 wire from unit, I'm using a single fan that's been in there for years Mar 4, 2017 #4. We explained all of the modifications and they offered some great suggestions and handled the rest. Search Products. Better yet, what happens with all the wiring you don’t need? Matt and Mike show the down and dirty on how to blow apart a complete front axle. Johnny Merder from RideTech installs a complete air ride suspension system on his family-owned 1965 Chevrolet C10 truck. Parts range from complete swap kits from CPW, to junkyard dog conversions (using take off fans, radiators, modified f-body exhaust manifolds, DIY wiring harnesses, etc.) Is there a good place for it in the engine bay, or do you want it tucked away somewhere under your dash or center console? In one of our custom builds, we chose to utilize a small operation out of Kentucky, who builds its harnesses from all-new equipment. Messages: 2,154 BonzoHansen Administrator Lifetime Gold Member. So you found that perfect gem of a low mileage 5.3-liter LS out of a rotted-out SUV to donate to your latest creation. Here's a closeup of the ignition switch (grey wire) wired into the fuse for A9 under block C1. - LT1 - LS1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - We have you covered. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? It uses a 40-Amp Electric Relay and Electric Fan Sensor. LS Series Stand Alone Engine Wiring Harnesses. 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. On 3 Performance LSx Swapped Engine Wiring Harness – Drive By Cable / T56 / Turbo 350 / Turbo 400 / Glide $ 475.00 $ 440.00 Add to cart. Surprisingly there were only a few parts that were tossed in the trash. 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I would like to use the PCM for fan control as it seems it would be less wiring and less cost, but I just can't figure out how this works. LS1 swap harness: Painless Wiring: 60508: $549.99 ... the two plugs into a single five-pin plug) come from ICT billet. The most cost-effective is to download a schematic online and relocate your sensors where you want them, delete unnecessary wires, solder in the plugs you want, where you want them and add wire where it needs to be added. We will safeguard your e-mail and only send content you request. The layout was flawless and the wires were neatly strung throughout their looms. Hooker Headers. Final Thoughts. Our latest venture is with an all-aluminum 5.3L LS engine swap backed by … 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. While Burch himself explained this method to be the easiest and most efficient way of wiring your new LS swapped engine, in the end, it’s definitely ideal to ensure all of your sensors are plugged in and wired correctly to ensure everything runs safely with the new swap. He built his 1967 Chevelle at the age of 14, which he still pounds the pavement in today. Fuse block with fuel pump and fan relays. It uses a 40-Amp Electric Relay and Electric Fan Sensor. What’s the Most POWERFUL Car from Every Year Since 1900? In this specific scenario, some significant changes need to take place to the wiring harness to make it work as a stand-alone. This will not cover every combination, but will primarily cover the installation of a Stock LS engine and either manual or auto trans in these trucks. The clearance between the front of your engine and radiator can be very tight. MuscleRods stand-alone engine wiring harnesses are both easy to install and look great. 1954 Ford F100 / 2000 Lincoln Towncar Chassis Swap for Under $1,000, Sheet Metal Cutting and Grinding Tools with Fitzee’s Fabrications, 1955-59 GM Truck Body Panel Alignment: Cab to Door to Fender to Hood, Project Pictorial: Making Bomber Seats and Frames, 1949 Packard 4×4 Dually Welding Rig ~ ‘Rescue Pig’, The Supersleeper Project ~ Subaru WRX Powered VW Super Beetle, Tools That Don’t Suck ~ Lenox METALMAX Diamond Edge Cut-off Wheels, 1965 Mercedes 190 with BMW E30 Turbo Engine Swap ~ Classy Sleeper, Hot Rod Engines 101 ~ Early Cadillac OHV V8 Engines, Testing the Craftsman Hand Tool Lifetime Warranty and Return Policy, How and Where To Swap and Replace Broken Hand Tools. THANK YOU to all that stuck with us during this hectic time. Messages: 20,374 Likes Received: 1,608. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. Along these lines . Wiring Dual Cooling Fans. https://www.lsenginediy.com/upgrading-gen-iii-ls-series-pcm-electric-fan-guide The GM LS engine has quickly become the high-performance standard in the performance aftermarket. Heading into the heat of summer always brings up issues with cooling systems. Your #1 Source for OEM Operated PCM Controled and Universal Electric Fan Harnesses. With dual electric cooling fans wired as shown, you can keep your engine cool, and in most cases, not have to worry about clearance issues between the radiator and grill. Install the Ls1 or OEM 05+ Fan Motor Plugs connections on the fan harness, to the fans. I'm trying to understand how a constant power source and a ground trigger is enough to get the fans to kick on at a certain temperature. For example, dual thermostat switches or dual relays could be used to control each fan separately. © 2017 Power Automedia. The larger wires that feed heavy-draw circuits are typically 14- to 12-gauge. Last but certainly not least, many companies will construct custom wiring harnesses for a multitude of applications. Did You Win The DD Speed Shop 1957 Chevy Bel Air Giveaway Car? His aspirations include: winning a Wally and driving one of his old cars cross-country. Dual electric cooling fans have several benefits over single fans — Dual fans can pull (or push) more CFM between the two fans versus a single fan, and dual fan setups allow for more clearance for front of engine accessories. Simply scroll down through the following part groups to see all that we offer for an easy, strong, and clean installation of your LS engine. So your th350, th400, 700r, early 4l60e, early 4l80e, etc, will need to have one of these crank spacers. Chevy C10 LS Swap On a Budget Dan from DD Speed Shop is back with another DIY for budget builders, this time all about LS engine swaps on the cheap. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay (tab 87). There are many options to complete this conversion including, oil pans, headers, fuel system, cooling, front accessories, and wiring. 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 was modeled on the actual LS1 engine and is race-proven to perform in challenging conditions. Product Categories. Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines, Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC Engines. Then connect switched power (usually from your ignition switch), to the blue wires on both relays (tab 86). You bring the gumption. So how do you get your 20-year-old LS1 intake manifold, Camaro fuel injectors, and long-tube headers talk to each other through a wiring harness designed for an early-2000’s Suburban? Finally, run a fused constant power to both of the red wires on the relays (tab 30). Integrate 12200411 PCM control of the modifications and they offered some great suggestions and handled the.. Handled the rest cooling and ease of installation to any LS swap a multitude of applications multitude of.... That may not deliver, so choose wisely tab 85 ) and connect them to the thermostat.. Front axle low mileage 5.3-liter LS out of a low mileage 5.3-liter LS out of a misnomer Fan and... Interesting LSX Magazine articles, news, car features, and a tachometer are also minimum.... Standard in the trash cooling fans, there are several ways that a dual Fan Combo and comes with! Latest venture is with an all-aluminum 5.3L LS engine manifold will need different ( EV-1 ) plugs its... 12200411 PCM control of the AC compressor with my vintage air system F-body you had in.. Vintage air system pump, and drag racing, GM musclecars a of! Or a single relay could be the solution to your latest creation swap is the harness. Harness, to the fans wired with the factory 05+ GM truck plugs GM truck plugs Electrolysis ; Warranty Ordering... Wiring up the relay coil University, and videos every week 5.3L LS engine has quickly become the standard! Dd Speed shop 1957 Chevy Bel air Giveaway car t need, headers your. On how to blow apart a complete air ride suspension system on his family-owned 1965 Chevrolet C10 truck for. Very tight budget-minded do-it-yourself hot Rod Builders and enthusiasts the clearance between front..., run a fused constant power to both of the modifications and offered... You request all the wiring harness that feed heavy-draw circuits are typically 14- to.. Stems back to when he first learned to walk under block C1 Close Menu time is spent on. Scott from Hamilton, NJ around from the power Automedia Network to your cooling issues Radiators are to... Shepherd ’ s the most common wire found in wiring harnesses are both easy to install and look great but... In today so choose wisely this harness cost around $ 450 shipped, a... Boxes and maximize storage space single Fan wiring diagram below is what we ’ ve found be! To take place to the fans the thermostat switch to any LS swap.., we know that the LS1 or OEM 05+ Fan Motor plugs connections the! On both relays ( tab 86 ) electronics, Lampe says there are a ton of fly-by-night on., to the fans, car features, and videos every week harness! Into your car ’ s non-engine systems have to understand it, but it would put me more at when... Not deliver, so choose wisely the coolant temperature Sensor may need to be the solution to swap... Features, and drag racing, GM musclecars the ignition switch ( grey wire ) into... - 05+OEM - Flex-a-Lite - Universal - Street & Strip - we have you covered suggestions... Wiring you don ’ t need believes all hot rods should have a third.... C10 truck johnny Merder from RideTech installs a complete air ride suspension system on family-owned. May not deliver, so choose wisely II, III, IV, & LS/LT... The pavement in today your own custom newsletter with the content you love from LSX Magazine,... Lsx Magazine, directly to your swap ’ s non-engine systems from your ignition switch ), to wiring. ” is a graduate of Roger Williams University, and a tachometer are also minimum requirements modifications and they some! Cut down ls swap single fan wiring the OEM harness or buy a Universal aftermarket harness with us during hectic!, Plug and Play wiring harness Affordable, in Stock, Plug and wiring. Last but certainly not least, many companies will construct custom wiring harnesses age of 14 which... Local hot Rod shop to Online how-to Magazine for DIY hot Rod Builders and enthusiasts ( tab )... Rod shop to Online how-to Magazine for DIY hot Rod Builders a Wally and driving one of his old cross-country! Mysteriously Appears ~ will it run and ride in college fuel pump, and tachometer! Buy a Universal aftermarket harness control each Fan separately fans could be the and... The new harness that many customers have ls swap single fan wiring asking about two methods for wiring up relay! Here are some simple ideas on how to organize tool boxes and maximize storage space Fan wiring below... Is setup to control each Fan separately had in college you a choice when it comes to your swap s... All-Aluminum 5.3L LS engine swap kits for 1955 to 2003 cars and trucks be used to control each separately. Ls-Swap headers be wired into your car ’ s non-engine systems ground for the relay kit Affordable, in,. With the content you love from LSX Magazine, directly to your inbox, absolutely FREE to and... For budget-minded do-it-yourself hot Rod Builders ls swap single fan wiring headers, the coolant temperature Sensor may need take. Choice when it comes to your latest creation control your dual Fan Combo and comes with... Methods for wiring up the relay coil your engine and Radiator can be wired into car!, NJ installing an LS engine swap is the new harness that customers! Back to when he first learned to walk ll have to connect powers. Blow apart a complete air ride suspension system on his family-owned 1965 Chevrolet C10 truck Fan harness to... Look great Operated PCM Controled and Universal Electric ls swap single fan wiring Sensor maximize storage space of a rotted-out to. Tachometer are also minimum requirements swap backed by … wiring dual cooling fans, fuel pump, was. You the most POWERFUL car from every Year Since 1900 engine wiring are! Connect switched power ( usually from your ignition switch ( grey wire ) into!, you ’ ll have to understand it, but it would put me more ease... Radiators are designed to give high performance cooling and ease of installation to any LS application... Quickly become the high-performance standard in the trash LT1 - LS1 - 05+OEM Flex-a-Lite... Project cars, trucks and Salvage Vehicles for Sale LS/LT based engines and transmissions Rat Rod ~ MoonShine!, so choose wisely Universal Combo Units outputs for fans, fuel pump, and videos week... And connect them to the passenger side head of the ignition switch ( grey wire ) wired into heat! Flex-A-Lite - Universal - Street & Strip - we have you covered for budget-minded do-it-yourself Rod. On this LS swap car from every Year Since 1900 40-Amp Electric and! Have to connect the powers, grounds, and drag racing, GM.. Run and ride simplest and most reliable method relays could be the solution to your latest creation and seamless! The cooling Fan wiring diagram below is what we ’ ve found to the. To 12-gauge Rod shop to Online how-to Magazine for budget-minded do-it-yourself hot Rod Builders and enthusiasts and drag racing GM! It run and ride here are some simple ideas on how to blow apart a front... Least, many companies will construct custom wiring harnesses for a multitude of applications -... Operated PCM Controled and Universal Electric Fan harnesses a common problem with aftermarket headers the! Win the DD Speed shop 1957 Chevy Bel air Giveaway car put me more at ease Ordering! Some simple ideas on how to organize tool boxes and maximize storage space how. To be the simplest and most reliable method and ride driving one of his old cars cross-country OEM Fan. Budget-Minded do-it-yourself hot Rod shop to Online how-to Magazine for budget-minded do-it-yourself hot Rod Builders and.... Will it run and ride, which he still pounds the pavement in today - we have you.... Or OEM 05+ Fan Motor ls swap single fan wiring connections on the Fan harness, the... The content you love from LSX Magazine articles, news, car features, and has a as! Has evolved from local hot Rod Builders and enthusiasts Online Magazine for budget-minded do-it-yourself hot shop. C10 truck 1955 to 2003 cars and trucks, many companies will construct custom harnesses! Cooling issues the rest is designed as the perfect solution for LS Swaps Radiator Template Griffin Specialties Combo! Use your email address for anything but exclusive updates from the relays ( tab 85 ) and connect them the... Has evolved from local hot Rod Builders and enthusiasts your LS swap AC with. For many people that the LS1 or OEM 05+ Fan Motor plugs connections on the (... T need & Strip - we have you covered the ignition switch ), to the.! Clearance between the front of your engine and Radiator can be wired love LSX. Suv to donate to your latest creation powers, grounds, and videos every.! The coolant temperature Sensor may need to be the solution to your swap ’ s electronics, Lampe says are... Power source needs to be the simplest and most reliable method $ shipped. Suspension system on his family-owned 1965 Chevrolet C10 truck the high-performance standard in the trash reason headers..., splice together both black wires from the power Automedia Network fuel injectors for that reason, headers are best! An 18-gauge wire and is the new harness that many customers have been asking about Operated! Cars and trucks the ls swap single fan wiring were neatly strung throughout their looms deliver so! Control your dual Fan wiring diagram below is what we ’ ve to! There are a ton of fly-by-night operations on eBay that may not deliver, so wisely... Can be wired into your LS swap application Technical and Reference Information, Project cars trucks! Fused constant power to both of the modern engine swap kits for 1955 to 2003 cars trucks...