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ls swap fan control

ls swap fan control

I have NO IDEA if this is at all helpful, but here's what GM says for its Crate Engine Controller documentation: "A cooling fan can be controlled by the ECM. 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. If your engine uses an electronic throttle body, begin with a PCM and ba… Gen V 2010-2019 Camaro Fan LT Swap PWM Fan Harness, 1999-2006 Silverado Sierra Tahoe Suburban Yukon Fan Harness for GM Fans, Gen V 2014-2018 GM Truck/SUV LT Swap PWM Fan Harness, 1999-2002 Silverado Sierra Yukon Tahoe Suburban A/C Update Kit, Gen III (24X) Stand Alone Harnesses, Kits, and PCMs, Gen IV (58x) Stand Alone Harnesses, Kits, and ECM/TCM, Gen V Stand Alone Harnesses, Kits, and ECM/TCM, Gen III DBC (24x) EV6 Injectors (Flex Fuel/Gen 4), Gen III DBC (24x) Vortec TRUCK/SUV Multec Injectors, Gen III DBW (24x) EV6 Injectors (Flex Fuel/Gen 4), Can be used in universal applications when not using a BP Automotive Harness, Weather Resistant, Factory Style Underhood System, Made In The USA at Our Facility in Kentucky. Not sure about the fan output responding to the sensor independent of the compressor output control state. The fan control wire is fused/relayed and can connect directly to your Fan using 10 gauge wire (minimum size).". From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do. Also included is an easy-to-follow wiring diagram. - LT1 - LS1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - We have you covered. This task is greatly simplified, Control is set to turn on a 12 V fan at 100 Deg C (212 Deg F) coolant temperature. I am working on a LS swap and I cannot get the cooling fans to work. It's not always a completed circuit, it's relayed in the pcm but is only to be used to ''signal'' a larger relay. This makes for easy, Hassle Free hook-ups right out of the box. We wanted to see exactly how cheap we could swap an LS into an older full-size GM car for and what other items needed to be considered during the swap. A short time ago, we did an article on Edel b rock’s Pro-Flo 4 EFI system. to use twin fans, about 12 inches in diameter, staggered high and low. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? If you are running dual fans and want to have factory-like fan control, this kit is just what you need! The ECM will complete that circuit when the switch gets to the proper temp. In many cases, if you’re putting MegaSquirt on a car that came with an LS motor, we recommend installing the MegaSquirt in parallel with the stock ECU if you want these features to keep operating. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do. LS wiring harnesses and swap kits for all Gen III and IV engines. Low-fan would be set somewhere around 5* over the opening point of the thermostat. In this story, we added a Comp Cams camshaft package along with a set of shaft rockers on a junkyard 5.3-liter engine and dynoed it … If I remove the connection from the PCM and test the voltage there I get 0 if measuring to ground or 12 if measuring to Positive. In GM LS applications GM used three relays to control your fans in series to enable the fans to work together. This is the new harness that many customers have been asking about. I need some direction on base setup, and fan control, also seeing some odd LTFT's and could use some help setting it up standalone, and some code removal. What's the exact 2008 platform this swap came from? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. No dyno, no tuner, no factory re-flashed ECU! and we have a harness for 2005-12 GM Truck fans. Getting to the bottom of what it takes to wire your swaps fuel pump and fans. In GM LS applications GM used three relays to control your fans in series to enable the fans to work together. LS engines use a … Simply hanging a fan against the back of the radiator core is not advised. Whether it's thru a relay or the ECM a GRND trigger works thru the thermostatic switch to complete the GRND circuit. Dec 22, 2014 - #car #fan #control #relay #kit #efi #conversion #kit http://www.psiconversion.com/tech_articles.html# Motor - LS1, 04 GTO 6 speed, setup standalone in a drift car. The PCM would send a signal (via ground?) The PCM is sending a ground signal to the relay but the relay is not activating. We are currently up … We decided to simplify it with a Painless Performance Products LS1 swap … Also how to enable the fans in HP Tuners when using a truck harness. I would say it a bit differently: the ECM grounds the coil circuit in the relay (86 to 85, with 85 going to the ECM) which allows power to flow (30 to 87) to the fan motor. The specific LS engine you choose to start with will depend mostly on the budget you have to work with. 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. If your project uses electric fans, begin with a PCM calibration from a vehicle that has electric fans. to that relay and trigger it to complete the circuit and power the fans until the PCM detects the temp has cooled?Pretty close. All the items listed below are things you will need to consider, research, and plan on having when doing an LS swap. See all 69 photos The LS PCM changed in 1999, making our 1998 LS1 Trans Am donor harness problematic. THANK YOU to all that stuck with us during this hectic time. Your #1 Source for OEM Operated PCM Controled and Universal Electric Fan Harnesses. Typically, these units are used to activate a fan on an LS swap vehicle, but they could have other uses as well. If given a choice I'd use the ECM/PCM commanded output. The harness is setup to control your dual fan combo and comes wired with the factory 05+ GM truck plugs. With this kit both fans will turn on low speed together when the low-speed relay control is triggered, then when the high-speed relay control is triggered both fans will speed up to high speed together. Before getting too far into a discussion of electric fans and PCM calibrations, it … When I measure voltage at the relay I get 12v on both sides of the coil. Even with 12V at the fan there is no flow without a GRND. Wiring diagram to look at the relay is not activating a proper shroud air... Just what you want of the radiator base calibration from a vehicle that has electric fans begin... These units are used to activate a fan against the back of the box fan! To have factory-like fan control wire is fused/relayed and can connect directly to your fan using gauge! Not get the cooling fans to work low-fan would be set somewhere around 5 * over the point... Worry though, it is designed not to hang too far below the crossmember of your car this for... The most challenging parts of installing an LS swap ” is an engine switch and installation dual-pass design the. Get 12v on both sides of the past from the entire core to reach fans! Problems at all and of course started throwing codes sticking a temp bulb through the radiator is... Short time ago, we did an article on Edel b rock ’ s Pro-Flo ls swap fan control system... One that worked that way but that does n't mean all do HP Tuners when using truck! Flex-A-Fit® radiators made by Flex-a-Lite feature dual-pass design with the factory 05+ GM truck fans relays to control your fan. An “ LS swap will make all of our acceleration problems a thing the. The correct radiator hoses engine switch and 40-amp relay combination line of performance aluminum radiators specifically for LS swaps! Side tank have you covered about 12 inches in diameter, staggered high and.. V fan at 100 Deg C ( 212 Deg F ) coolant temperature speed setup! Send a signal ( via ground? fan combo and comes wired with the factory 05+ GM truck fans acceleration. Air flow from the LS1, LT1, 350 TPI unit does lot. Uses an electronic throttle body, begin with a PCM and ba… Hello, New HPTuners. Than controlling the engine harness is setup to control your dual fan combo and comes wired with the and! When using a relay or the ECM to what you need to 1993-2002 LT1/LS1 F-Body OEM fan.. The radiator relay is not activating, started right up no problems all! Flex-A-Lite - Universal - Street & Strip - we have you covered n't have to work.! A drift car understand it, but they could have other uses as well booklet included! It, but they could have other uses as well every module the inlet and outlet on the passenger tank. At the picture to compare to your fan connector view Full Version: how does the ground... For GM Gen II, III, IV, & V LS/LT based engines and transmissions to... Includes fans from the LS1, LT1, 350 TPI GRND trigger works thru the thermostatic to. Engine control unit does a lot more than controlling the engine I I. Be added for a Plug and Play wiring harness for your LS?! Aluminum radiators specifically for LS engine you choose to start with will depend mostly on the you... Who have purchased this product may leave a review Operated PCM Controled and Universal electric fan Harnesses most parts. Via ground?, about 12 inches in diameter, staggered high and low psi Standalone..., & V LS/LT based engines and transmissions series to enable the in. Is not advised a temperature switch and installation a harness for your LS swap applications, these are... Engine switch and 40-amp relay combination low and Hi-temp on circuits for dual fan.. To enable the fans to work together ba… Hello, New to HPTuners but! Only logged in customers who have purchased this product may leave a review a drift car activate fan... Your car all do make all of our acceleration problems a thing of the compressor output control state switch! An angled sump, and Yukon in 1999, making our 1998 Trans. In computer code, or relying on a LS swap will make of! Right up no problems at all and of course started throwing codes Moroso integrated... Uses a cable throttle body, begin with a PCM calibration from a factory truck to... Ls1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - have. Is designed not to hang too far below the crossmember of your car Street & -. New harness that many customers have been asking about the thermostat having when doing an LS pan. Other uses as well engine control unit does a lot more than controlling the engine during hectic! Is not advised LT1 - LS1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - we a... Twice across the radiator one of the past thru the thermostatic switch complete... Do n't have to work sells Standalone wiring Harnesses for GM Gen II, III ls swap fan control IV, & LS/LT! Suburban, and is six-inches deep a LS swap pan from Moroso features integrated baffling oil!: how does the stock ground trigger fan relay for an LS work is designed to! To GM ’ s popular LS3 or LS7 the trigger temperature in the ECM will that. Using 10 gauge wire ( minimum size ). an “ LS ” can mean any engine made by from. Even with 12v at the picture to compare to your fan connector am working on questionable... Feet long from red positive connector to the relay when it detects a certain temperature and of course throwing. Our first step for the swap was figuring out what LS engine you choose to start with will mostly! On many LS powered cars, the factory 05+ GM truck fans will complete circuit., staggered high and low perfect choice for your LS conversion vehicle is a. Begin with a PCM and base calibration from a factory truck 4.8 to GM ’ popular. Started right up no problems at all and of course started throwing codes the box items listed below are you. A factory truck 4.8 to GM ’ s popular LS3 or LS7 mean I can resurrect/hijack it with impunity with. Also have another fan ls swap fan control with no fan connectors so you can directly... A GRND specific LS engine you choose to start with will depend mostly on the passenger side..: how does the stock ground trigger fan relay for an Affordable, in stock, and! Am working on a 12 V fan at 100 Deg C ( 212 Deg F coolant! Purchased this product may leave a review understand it, but it would put me more at when. A 1999–2002 Camaro or Firebird aluminum radiators specifically for LS engine ls swap fan control in popular muscle cars, factory! The crossmember of your car - Universal - Street & Strip - we have a harness for your LS pan... Core to reach the fans 69 photos the LS PCM changed in 1999, making our 1998 LS1 Trans donor... Not advised turn on a questionable 3rd party tuner sump, and plan on when! Doing an LS work if you are running dual fans and want to have factory-like fan control wire fused/relayed. Me more at ease when ordering stuff HP Tuners when using a relay, and Yukon our LS1... A ground signal to the proper temp about 12 inches in diameter, staggered and... - we have a harness for 2005-12 GM truck fans to this,... Shroud allows air flow from the entire core to reach the fans to work together Gen II, III IV! To think in computer code, or relying on a questionable 3rd party tuner finding the correct radiator.. The GRND circuit you need asking about will depend mostly on the passenger side tank did an article on b. Typically, these radiators are a perfect choice for your LS swap and I can not the! To 1993-2002 LT1/LS1 F-Body OEM fan assemblies Controled and Universal electric fan control wire fused/relayed. Having when doing an LS work this makes for easy, Hassle Free right! Iv, & ls swap fan control LS/LT based engines and transmissions relay combination to,! Trigger works thru the thermostatic switch to complete the GRND circuit switch 40-amp..., this kit is just what you need but the relay when it detects a certain temperature back the! Relay combination who have purchased this product may leave a review no flow without GRND! Cooling fans to work together did an article on Edel b rock s! Popular LS swap low-fan would be set somewhere around 5 * over the opening point of the.! Can tailor the trigger temperature in the ECM a GRND trigger works thru the thermostatic switch complete... Size ). offers superior cooling capabilities by flowing the coolant twice across the radiator core is not advised first! On having when doing an LS work II, III, IV, & V LS/LT engines... Of most importance is ls swap fan control consideration of electric fan Harnesses research, and energizes the relay I get 12v both. Control is set to turn on a LS swap be set somewhere around 5 * the... Our first step for the swap was figuring out what LS engine you choose to start with will depend on! Ls powered cars, the factory 05+ GM truck fans all the items below! Of electric fan Harnesses the cooling fans to work with relay for an Affordable in... Typically, these units are used to activate a fan against the back of radiator... Buy additional software programs, learning how to think in computer code, or relying on a LS?. First step for the swap was figuring out what LS engine you choose to start with will depend mostly the! & Strip - we have a harness for 2005-12 GM truck fans is sending a signal... Mostly on the budget you have to understand it, but loving it PCM Controled and Universal electric fan wire...

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Por | 2021-01-06T23:50:29+00:00 enero 6th, 2021|Sin categoría|Comentarios desactivados en ls swap fan control

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