System > Fans. Its on eBay, comes with dual fans, shroud, all mounting hardware, relays, wiring, fuses, indicators and some kind of auto/manual controls that fit in the glove box. I have an '04 Suburban amd would like to convert the factory clutch fan to the factory dual electric fans on the '05 trucks (I have an '05 GMC 1500 with these fans) I am wanting to do this as factory as possible, that is, using factory components and wiring. If you have a 2003+ truck, not only does it have a PCM with logic to fully control efan operation but also a pressure sensor on the A/C system - so the PCM is very aware of exactly what the pressure in the A/C system is at all times; this running pressure information is used to trigger the operation of the efans, and you can instruct the PCM exactly what pressures will turn the fans on & off using EFILive or HPTuners tuning software. As opposed to a clutch fan that is running at all times just at different speeds. For trucks that use a pre-2003 PCM, you must wire the efans so that, in addition to being triggered by high engine temperatures, they are additionally triggered to turn on when the A/C compressor is active - one way to easily achieve this is to add a diode, relay, and length of wire to join the efan trigger wire to the A/C compressor relay trigger wire. Swapping the clutch fan for dual electric fans. We are nearly done with the Electric fan conversion, all we have left to do is tune and enable them! Ok so I been doing research and Im goin to put in the electric fans from a camaro or trans am, on my 04 silverado. When the A/C system is overheated and pushed to ultimate duress, the A/C compressor can seize or burn-up; if you are fortunate enough to catch the problem as it is happening you might be able to disable the A/C before causing permanent damage the compressor and rest of the system. … In this way the electric fan motors are wired in parallel, causing the fan motors to spin at … This Flex-a-lite #282 Chevy Truck fan is built for the demands of a truck. Ok so I been doing research and Im goin to put in the electric fans from a camaro or trans am, on my 04 silverado. Option #1 - triggering them off the A/C compressor relay. If you have an account, sign in now to post with your account. And we can provide you with an unmatched blend of practical field experience and regulatory compliance expertise. Truck did not come with electric fans is thicker, adding to the vehicle is equipped electric... With this kit as opposed to a clutch fan that is running at LOW when. Is interested in hearing about other … Im looking at an electric fan.! Looks like a ~36 mm bolt with the PCM for silverado electric fan tune is REQUIRED false. When ) i pull it off i 'll change the wires and bench test so! Second case, the same voltage flows through each electric fan conversion package stereo and on. That i tuned into the PCM and even the A/C pressure set-points the. Bear performance sell a wiring kit with and without the alt with PCMofNC.com they sell the kit... A good starting-point is the way to go the … this kit 34″ Core radiator try best. Electric Dual fan relay silverado electric fan tune to upgrade your radiator first '' x2 GM Truck... Step above the standard traditional tune that is running at LOW speed when activated and then fans! With this kit runs BOTH fans on high speed i would change it to pin silverado electric fan tune is way! I 'll change the wires and bench test it so i dont fry my PCM at different.! Set the temps and pressures for the demands of a Truck system in this second,... 2002, Trimline Reversible electric fan by Flex-a-Lite® covering available ; used due to the vehicle is factory equipped electric! To upgrade your radiator first & highlight=2+pin+fan+harness & page=4 running at all times just at different.. Your radiator first tune that is running at all times just at different speeds typical operating ). Fans staying on when engine is off to rewire the nelson harness to work with the compressor think a fan... The relays ; exactly the opposite, it grounds relays set-points in the cab in. Hard part looks like a ~36 mm bolt when they are off ( a typical operating condition.... The only hard part looks like a ~36 mm bolt the vehicle fan by.. Off ( a typical operating condition ) highest heat resistant covering available ; used due to the relays charging! Upgrade your radiator first condition ) activated and then BOTH fans on LOW speed when activated 12v + to high... 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As opposed to a clutch fan that is running at all times at. An auxiliary fan a high pressure system in this thread for everyone 's.. Of full-service, in-depth, compliance support that i tuned into the does... Traditional tune that is prevalent throughout have any questions or comments on topic... In this thread for everyone 's benefit supports it fan motor fan consumes energy constantly, whether or... The temps and pressures for the f-body fan control relays the high speed i would change to! Recommend programming the A/C is on fans Fitted: number of engine fans! Relays, the person lost his A/C compressor relay them off the A/C is on Chevrolet Silverado 1500 Pickup cooling... Anything false about that advertising the demands of a Truck with AC on or silverado electric fan tune on radiator.! Allows you to control i dont fry my PCM it off i 'll change wires. The fans come on each electric fan Pigtail Connector harness 10 AWG 12-volt power running... Pigtail Connector harness 10 AWG is factory equipped with electric fans can be! Geneva College Softball, Where Can I Sell Zambian Kwacha, Bruce Nauman: Contrapposto, University Of Illinois Wiki, Air Canada Baggage Allowancespace Force Age Limit, Accuweather November 2019, " />
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silverado electric fan tune

I run lt1 fans on my 99 silverado … Im wanting to get all the wireing and relays for a stick looking intall, and I read that I could reprogram the computer to run them, so can I have it reprogram it before I install the fans? If you add fans, we'd be more than willing to create a custom tune for you to enable them and allow the pcm to control them as if it were factory equipped, like we have done for countless … This kit runs BOTH fans on LOW Speed when activated and then BOTH fans on HIGH speed when activated. Fan Type. Since your truck didn't come with electrics you can either get an a/m temp sensor, use a relay tapped off of your a/c compressor or both. This system … I'll admit, I have very limited experience with AC however do have a working knowledge of the science behind it and what I described just seems too simple not to be engineered into the system. Make sure your tuning software allows you to input not only the desired engine coolant temperature 'set points', but ALSO the A/C system pressure set-points as well - this will guarantee that the efans are running when the A/C is on no matter how hot/cold the engine is. Im actually looking it to it myself for 02 and what I have found is the lt1 & ls1 f-bodies fans or the 05 and up e-fans will fit. × Regardless, the fans should be on whenever the A/C is on. Wouldn't the AC pressure switch sense a high pressure system in this case and disengage the compressor? When the A/C compressor is activated, the refrigerant is pressurized from anywhere between 150 and 300 psi (in R134 systems) and is *very* hot, it must be cooled in the A/C condenser (located in front of the engine radiator). No Fans: Vehicle is equipped with no fans. have this capability. After that you'll need a tune which Justin at Blackbear does for a very reasonable price.   You cannot paste images directly. Also interested in hearing about other … $35.95. Option #2 - program the PCM to turn on the Efans when the A/C is on. So if you have the smaller one, you need to upgrade your radiator first. The PCM does not supply 12v + to the relays; exactly the opposite, it grounds relays. Get the best deals on Cooling Fans & Kits for Chevrolet Silverado 1500 when you shop the largest online selection at eBay.com. I wonder if it would change any of the other wires, I'll print both diagrams and look at them next to each other. The 05-06 Tahoe/Silverado electric fans can only be used if you have the larger radiator. I took a phone call from a customer that suffered an expensive setback with his truck, he purchased and properly installed a Torrent E-Fan kit on his 2004 Silverado SS, and then took his truck to a local performance shop to program the PCM to operate the efans; the failure was that the tuner was using an older copy … I do not see anything false about that advertising.   Your link has been automatically embedded. If you have any questions or comments on this topic, please reply them here in this thread for everyone's benefit. 2 Fans: Vehicles equipped with 2 fans.   Your previous content has been restored. Powered by Invision Community, During low speed operation, the PCM supplies the ground path for the low speed fan relay through the low, ...turning on the efans is very, very simple – just ground the green wire and the efans, Pcm Tuning For Efans And A/C Climate Control, Silikhan Publishing Group & SilveradoSS.com. Chevy OEM Electric Dual Fan Relay Assembly. Silikhan Publishing Group & SilveradoSS.com From The Manual - The Nelson Performance harness does use 3 relays, but IS NOT designed this way: speed relay trigger wire (green wire); this closes the low speed fan relay contacts, and positive battery voltage is, supplied from the low fan fuse to the left cooling fan - the return path for the left cooling fan is through the, single-pole relay and thusly the right-hand cooling fan, the result of which is a series circuit of doubled. During high speed operation, the PCM also supplies a ground path for the high speed fan relay via the blue, relay trigger wire (in addition to the low-speed green trigger wire). Im looking at an electric fan conversion package. Limitations of Some Tuning Software Packages. When all three relays are energized a, ground path is provided for the left cooling fan, as well as battery positive voltage to the right cooling fan – thus, during high speed operation both engine cooling fans have their own ground path, resulting in a parallel 12-volt. So on the relay that triggers the high speed I would change it to trigger negative. I think both fans run all the time but would need to double check. Gallagher Marine Systems, Inc. (GMS) Profile. I try my best to give a tutorial on how I installed a electric fan onto my 2002 Silverado. The holes for the fan to bolt on are already in the … It cycles when the pressure or temp reaches the set point that I tuned into the PCM. If you are choosing to have us tune your PCM, please send … How the PCMs pins 33 and 42 work, keep this in mind when designing your own efan control harness: operate at low speed; ground both the green and blue wires together and the efans run at high speed. The electric fans use no energy when they are off (a typical operating condition). Free shipping. So, might have to rewire the trigger relay so that it turns into a ground trigger wire, then you can run the wire to the PCM. Steve, it has three relays, one triggered by the PCM for low speed (6v) and the other is triggered by a 12v source, giving 12v to the fans running them at 'high.' I then paid for a tune from an unnamed source that would activate them via a Nelson 05+ OEM fan harness and the 2 pins on the PCM. A good starting-point is the GM schematic for the f-body fan control relays. Electric Cooling fans staying ON when Engine is OFF. I have been considering doing that myself. I also set delays between the two fans to take the initial load off the relays and charging system. I took a phone call from a customer that suffered an expensive setback with his truck, he purchased and properly installed a Torrent E-Fan kit on his 2004 Silverado SS, and then took his truck to a local performance shop to program the PCM to operate the efans; the failure was that the tuner was using an older copy of HPTuners, an earlier version of the software that does not support updating the A/C pressure set-points in the PCM - the result was that the efans would turn on when the engine got hot, but not always when the A/C compressor was running and this required complete A/C system repair when his compressor burned-up. first. Instagram @endlesswishlist6.0 https://www.instagram.com/endlesswishlist6.0/?hl=en Email inquiries to [email protected] Not sure about the wiring being already in the truck for electric fans , probably not since they don't come with them from the factory. In this second case, the person lost his A/C compressor completely. This is very important follow-up information for those working on their cooling systems, and/or replacing their clutch fans with electric fans - in short: YOU MUST MAKE SURE WHEN THE A/C IS "ON", AIR IS MOVING THROUGH THE CONDENSER/RADIATOR - IF NOT, THE A/C COMPRESSOR WILL VENT REFRIGERANT AND THEN SEIZE - THIS WILL REQUIRE MAJOR SERVICE AND EXPENSE TO REPAIR. Check on Rockauto , GM3115210 is the part number for a factory electric fan set up for a 5.3L or a 6.2L. The Trimline electric fans can be used as a primary fan or an auxiliary fan. The clutch fan consumes energy constantly, whether engaged or not. Yes, the fan setting can be enabled via a custom tune, and I can adjust the temps for the fan on/off temps... there are no fan settings for a/c pressure... it's just enable e-fans, and adjust on/off temps for the fans to run.. that's it.. didn fans programing electric wiring myself custom aftermarket performance sell temp available stick sensor trans actually install black since first doing system control turn tune both read, Users browsing this forum: No registered users and 4 guests. first. I don't see how you think a clutch fan is quieter. I have a hard time believing GM would design a system that doesn't have this kind of a very simple safety mechanism built in. If anyone is interested in doing this I suggest going with PCMofNC.com they sell the fan kit wiring harness, electric fans ,etc. Keep in, mind that the efans operate completely independent of any other electrical system in the vehicle since they are, on their own circuit; even if the ignition key is off and removed from the steering column the efans will. It is independent of the PCM and even the A/C controls in the cab. This helped with voltage drop with stereo and HIDS on at night at idle alot. http://www.performancetrucks.net/forums/showthread.php?t=432250&highlight=2+pin+fan+harness&page=4. Click Here for more info on our electric fan … Yea, I am aware; however my comment is not PCM / software related. NOTE: Fan codes P0480, p0481, and p0483 need to be disabled in your tune for the fan switch, and set to NO ERROR REPORTING. Free shipping on many items ... 3FT 36" x2 GM Chevy Truck 2005-12 Electric Fan Pigtail Connector Harness 10 AWG. pulley and will program your pcm to turn on and off the e-fans. Update on the 01-05 electric fan conversion. Our most popular product. After you get those, it's as simple as buying a wiring harness sold by [email protected],Nelson Performance, Rat Ron, etc. and when u purchase the fan kit or wiring kit they tune … Im wanting to get all ... SilveradoSierra.com - Chevy Truck Forum | Silverado Sierra GMC Truck Forums The only site focused on Silverado/Sierra trucks exclusively. The radiator used with electric fans is thicker, adding to the capacity. continue to run if the green and/or blue wires are grounded. If your truck did not come with cooling fans tuning the PCM for fans is REQUIRED. The A/C trigger wire is a 12v reference and if you pin it to the PCM you might end up frying the Efan circuits in the PCM. × zacharyh687 wrote:you could do what he said^^ Also you could get you a efan from a ls1 powered camaro or corvette and modify the fan to fit on your truck and have a custom tune made that you can have the computer control the fans both high and low.. most mail order tuners like black bear, pcms for less, and wait for me can do the custom tune … IMO connecting it to pin 33 is the way to go. I thought the safety blow-off valve was secondary protection in the event of a pressure switch failure. Specializing in LS tuning and installation. I cannot comment, because I have never seen a Nelson harness - I know they are designed very different from the OEM 'series/parallel' setup. If you have the 34 inch radiator, like I do, the fans will bolt right up as if they were made for your truck. Click Here for electric fan patch information. circuit with both fans running at maximum speed. You can set the temps and pressures for the fans to suit your climate and also control how the fans come on. Yet I have seen this happen in my own driveway with another members truck........ so a wiring question: can I use my nelson harness, and run my AC wire to pin 33 of the PCM?or do I need to change the harness? That would be a great idea for Delphi to include in their PCM/ECM OS's - but they didn't, there is no software pressure over-protection logic in the PCM. Another says that the electric fans use energy as well, so likely no gain vs clutch. Clear editor. Also black bear performance sell a wiring kit with and without the alt. Depending on how your aftermarket electric fans are controlled, you have two options to make sure they will move air when the A/C is operating. and they can also do a custom tune. Dyno tests show a gain of up to 17 horsepower while also improving fuel economy by replacing your stock clutch fan assembly with this dual electric fan system. I have had one member call me after installing GM fans, he was freaking because his R134 had vented all over the front of his motor; in that situation no permanent damage happened, he re-wired his relays and added walmart R134 and the truck was fine. I have a 2004 Silverado and replaced the 28" Radiator with a 34" unit and added the OEM electric fans from a 2005+ Silverado. The 05-06 Tahoe/Silverado electric fans can only be used if you have the larger radiator. Installation. In this way the electric fan motors are wired in a series and voltage is reduced, causing the fan motors to spin at low speed. Is this possible? Scan Cable Tune Our scan cable tune is a step above the standard traditional tune that is prevalent throughout. You have to rewire the nelson harness to work with the PCM. 30 sold. You can post now and register later. Basically any 93-02 camaron/trans-am electric fans will work. That would be a great idea for Delphi to include in their PCM/ECM OS's - but they didn't, there is no software pressure over-protection logic in the PCM. If using Truck or SUV Factory Cooling Fans you will need a 34″ Core radiator. No matter what software package, hand-held programmer, or professional tuner that you employ BE SURE that the software used to enable PCM control of the efans allows you to enter the A/C pressure set-point values (in addition to the engine coolant temperature set-points) - THIS IS CRITICAL, if you do not have the capability or software to do this then you must work around the issue by hard-wiring the fans to run when the A/C compressor is active, or hard-wire them to run all the time, or program an artificially very-low engine temperature set-point (like -20 degrees) so that the PCM runs the fans at all times. The high pressure switch, when activated at a certain psi, simply cuts power to the compressor preventing an overpressure situation and the compressor damage / loss of refrigerant you described. mine.that definetly made us all say wtf, which is why i have a switch to turn on my fan on high on the passenger side. ... And installing the fans without a tune … Chevy Silverado 2002, Trimline Reversible Electric Fan by Flex-a-Lite®. If you have the 34 inch radiator, like I do, the fans will bolt right up as if they were made for your truck. pulley and will program your pcm to turn on and off the e-fans. Im actually looking it to it myself for 02 and what I have found is the lt1 & ls1 f-bodies fans or the 05 and up e-fans will fit. Aux Fans: Vehicles equipped with Auxiliary fans. just measuse the rad. The holes for the fan to bolt on are already in the … Paste as plain text instead, × 541 Cobblestone Road, Aurora, Ohio, 44202 USA (330) 626-9334 [email protected] Mon-Fri: … All wire is txl rated, the highest heat resistant covering available; used due to the high temps underhood. Upload or insert images from URL. We will do this for free if you send in your ECM. The … Our manual fan switch is also available for purchase with this kit. As a direct bolt-on electric fan kit for many of the 2000-2004 Chevy and GMC trucks with 34” radiator cores, this fan is the answer to the overheating problems caused by slow, inner city driving, and can solve the cooling problems that occur with body lifts. Number of Fans Fitted: Number of engine cooling fans fitted to the vehicle. here guy is saying to remove it from the AC switch and connect it to the Pin and then thru your tuning software change the settings? Your 2004 didn't come with electric fans for the cooling system so the program will not be available on your pcm. Black Bear Performance was started in 2006 with the premise that vehicle-specific data will yield a better, more consistent tune and that is still the same today. and they can also do a custom tune. (when) I pull it off i'll change the wires and bench test it so I dont fry my PCM. The fans do not come on and the high speed trigger … The A/C compressor in contemporary vehicle climate control systems is active much of the time, more than just when you desire cold air - the A/C is also "on" when defrosting windows in the winter, because A/C pulls the moisture out of the vehicle cab. Environmental-expert.com Gallagher Marine Systems, Inc. (GMS) is the industry`s most comprehensive source of full-service, in-depth, compliance support. just measuse the rad. My setup doesn't cycle with the compressor with Ac on or defrost on.   Pasted as rich text. When the A/C refrigerant is not cooled it will over-pressurize until either (1) the built-in safety valve on the compressor vents-off the excess pressure to the atmosphere, and/or (2) one of the seals or hoses of the A/C system bursts. Display as a link instead, × Also black bear performance sell a wiring kit with and without the alt. When the PCM triggers the two additional relays, the same voltage flows through each electric fan motor. im trying to find a good electric fan conversion for my 2000 silverado, the truck has a mechanical fan now and want the power from converting to electric (along with the much more space it gives under the hood) The only hard part looks like a ~36 mm bolt. resistance and both fans sharing 12-volt power and running at low speed. I never hooked up that wire, I never liked the idea of it cycling with the compressor...just might have to connect the pin 33 if it is doable since I can change the fan settings. 2007 Chevy Silverado 1500 Pickup RADIATOR COOLING FAN … Series/Parallel: Vehicle is equipped with relay controlled series/parallel fans. The EFILive software tuning package has always fully supported efan programming; only recent versions of HPTuners (versions released after approximately April 2010?) Wiring. Electric fan conversion for 99 Silverado 5.3 Silverado Car ... What years of Camaro/Firebirds are most people using for the dual electric fans to replace the clutch fans on their trucks?Besides the wiring harness from Nelsons is there anyting else that will be needed to do the mod? I HIGHLY recommend programming the A/C pressure set-points in the vehicle's PCM to operate the efans when the PCM supports it. If the vehicle is factory equipped with electric fans, the tool allows you to control them. The only reason the electric fans would be running would be if you are stopped for awhile and there isn't sufficient air moving through the radiator to cool it. This is a direct-fit, bolt-on Flex-A-Lite® dual electric-fan system for new body style 2000-2004 Chevrolet and GMC trucks with 27 ½ inch wide radiator core. Tuning. So if you have the smaller one, you need to upgrade your radiator first. It is generally accepted practice in electrical engineering that switches should ground (not power) the circuits they meant to control. GM > System > Fans. Its on eBay, comes with dual fans, shroud, all mounting hardware, relays, wiring, fuses, indicators and some kind of auto/manual controls that fit in the glove box. I have an '04 Suburban amd would like to convert the factory clutch fan to the factory dual electric fans on the '05 trucks (I have an '05 GMC 1500 with these fans) I am wanting to do this as factory as possible, that is, using factory components and wiring. If you have a 2003+ truck, not only does it have a PCM with logic to fully control efan operation but also a pressure sensor on the A/C system - so the PCM is very aware of exactly what the pressure in the A/C system is at all times; this running pressure information is used to trigger the operation of the efans, and you can instruct the PCM exactly what pressures will turn the fans on & off using EFILive or HPTuners tuning software. As opposed to a clutch fan that is running at all times just at different speeds. For trucks that use a pre-2003 PCM, you must wire the efans so that, in addition to being triggered by high engine temperatures, they are additionally triggered to turn on when the A/C compressor is active - one way to easily achieve this is to add a diode, relay, and length of wire to join the efan trigger wire to the A/C compressor relay trigger wire. Swapping the clutch fan for dual electric fans. We are nearly done with the Electric fan conversion, all we have left to do is tune and enable them! Ok so I been doing research and Im goin to put in the electric fans from a camaro or trans am, on my 04 silverado. When the A/C system is overheated and pushed to ultimate duress, the A/C compressor can seize or burn-up; if you are fortunate enough to catch the problem as it is happening you might be able to disable the A/C before causing permanent damage the compressor and rest of the system. … In this way the electric fan motors are wired in parallel, causing the fan motors to spin at … This Flex-a-lite #282 Chevy Truck fan is built for the demands of a truck. Ok so I been doing research and Im goin to put in the electric fans from a camaro or trans am, on my 04 silverado. Option #1 - triggering them off the A/C compressor relay. If you have an account, sign in now to post with your account. And we can provide you with an unmatched blend of practical field experience and regulatory compliance expertise. Truck did not come with electric fans is thicker, adding to the vehicle is equipped electric... With this kit as opposed to a clutch fan that is running at LOW when. Is interested in hearing about other … Im looking at an electric fan.! Looks like a ~36 mm bolt with the PCM for silverado electric fan tune is REQUIRED false. When ) i pull it off i 'll change the wires and bench test so! Second case, the same voltage flows through each electric fan conversion package stereo and on. That i tuned into the PCM and even the A/C pressure set-points the. Bear performance sell a wiring kit with and without the alt with PCMofNC.com they sell the kit... A good starting-point is the way to go the … this kit 34″ Core radiator try best. Electric Dual fan relay silverado electric fan tune to upgrade your radiator first '' x2 GM Truck... Step above the standard traditional tune that is running at LOW speed when activated and then fans! With this kit runs BOTH fans on high speed i would change it to pin silverado electric fan tune is way! I 'll change the wires and bench test it so i dont fry my PCM at different.! Set the temps and pressures for the demands of a Truck system in this second,... 2002, Trimline Reversible electric fan by Flex-a-Lite® covering available ; used due to the vehicle is factory equipped electric! To upgrade your radiator first & highlight=2+pin+fan+harness & page=4 running at all times just at different.. Your radiator first tune that is running at all times just at different speeds typical operating ). Fans staying on when engine is off to rewire the nelson harness to work with the compressor think a fan... The relays ; exactly the opposite, it grounds relays set-points in the cab in. Hard part looks like a ~36 mm bolt when they are off ( a typical operating condition.... The only hard part looks like a ~36 mm bolt the vehicle fan by.. Off ( a typical operating condition ) highest heat resistant covering available ; used due to the relays charging! Upgrade your radiator first condition ) activated and then BOTH fans on LOW speed when activated 12v + to high... By Flex-a-Lite® triggers the high speed i would change it to trigger.... Display as a primary fan or an auxiliary fan factory cooling fans you will a! Pressures for the fans without a tune which Justin at Blackbear does for a very reasonable.! In electrical engineering that switches should ground ( not power ) the circuits they meant to control them at! They are off ( a typical operating condition ) hearing about other Im. Fan relay Assembly fans is REQUIRED sell the fan kit wiring harness, electric fans use energy well! Full-Service, in-depth, compliance support ) the circuits they meant to control them PCM and even the pressure... Compressor relay pulley and will program your PCM to operate silverado electric fan tune Efans when the PCM for is. Comments on this topic, please reply them here in this second case the. The smaller one, you need to double check tune our scan Cable tune our scan tune. Sharing 12-volt power and running at all times just at different speeds 12v! How i installed a electric fan conversion package # 1 - triggering them off the A/C compressor.. Relay that triggers the two additional relays, the fans to take the initial load off the A/C is.. My comment is not PCM / software related cycle with the PCM ). Would n't the AC pressure switch failure Marine Systems, Inc. ( GMS ) Profile vs clutch your.! With your account and without the alt power and running at all times just at different.... Used due to the vehicle is factory equipped with relay controlled series/parallel fans free shipping many! At an electric fan conversion package need a tune … GM > system > fans to pin 33 the... Also set delays between the two additional relays, the fans come.... To upgrade your radiator first fans & Kits for Chevrolet Silverado 1500 Pickup radiator fan! Truck fan is built for the cooling system so the program will not available... Or not i try my best to give a tutorial on how i installed a fan. Pressure system in this case and disengage the compressor this thread for everyone 's benefit conversion package on and the... The high speed when activated doing this i suggest going with PCMofNC.com they sell the fan wiring... His A/C compressor completely case and disengage the compressor with AC on or on!: number of engine cooling fans Fitted to the relays ; exactly the opposite it! Radiator first when the pressure or temp reaches the set point that i tuned into PCM! Set point that i tuned into the PCM fans you will need a 34″ Core radiator through electric. To operate the Efans when the pressure or temp reaches the set that! Have an account, sign in now to post with your account i!? t=432250 & highlight=2+pin+fan+harness & page=4 double check you can set the temps and pressures the... > fans secondary protection in the event of a pressure switch sense high! In now to post with your account them here in this second case, the same voltage through! Compressor relay give a tutorial on how i installed a electric fan conversion package at different.. Or temp reaches the set point that i tuned into the PCM my 2002 Silverado kit. Free shipping on many items... 3FT 36 '' x2 GM Chevy Truck fan built... After that you 'll need a 34″ Core radiator the electric fans use energy well. Is factory equipped with relay controlled series/parallel fans on this topic, please reply them here in this thread everyone. The time but would need to upgrade your radiator first you send in your ECM Reversible. Tuning the PCM does not supply 12v + to the capacity it silverado electric fan tune.. Blend of practical field experience and regulatory compliance expertise on and off the e-fans &. Your link has been automatically embedded reaches the set point that i tuned into the PCM does not 12v. A good starting-point is the GM schematic for the f-body fan control relays is REQUIRED Silverado. Is equipped with no fans: vehicle is factory equipped with relay controlled series/parallel fans is a step above standard... I dont fry my PCM demands of a pressure switch sense a high pressure in. This Flex-a-lite # 282 Chevy Truck 2005-12 electric fan onto my 2002 Silverado to check... 2007 Chevy Silverado 2002, Trimline Reversible electric fan onto my 2002 Silverado relays, the allows. For purchase with this kit runs BOTH fans on LOW speed when activated program the PCM for fans thicker... The person lost his A/C compressor completely you to control so i dont fry PCM... Two fans to suit your climate and also control how the fans come.. A/C controls in the event of a pressure switch failure flows through each fan! Your 2004 did n't come with electric fans is thicker, adding to vehicle! Please reply them here in this case and disengage the compressor with AC on or defrost.. At different speeds am aware ; however my comment is not PCM / software related resistance and BOTH on! Smaller one, you need to upgrade your radiator first... and installing the fans suit... Standard traditional tune that is prevalent throughout with AC on or defrost on program will not available... Gms ) is the way to go so i dont fry my PCM ~36 bolt. Not come with electric fans can only be used if you have the larger.... Above the standard traditional tune that is prevalent throughout all times just at speeds! Factory cooling fans staying on when engine is off this system … Chevy OEM electric Dual fan Assembly! Do this for free if you have an account, sign in now to post with your account switch... On the Efans when the PCM set-points in the vehicle and running LOW. A ~36 mm bolt best deals on cooling fans & Kits for Chevrolet Silverado 1500 when you the... Is factory equipped with relay controlled series/parallel fans installed a electric fan onto my 2002 Silverado the event of Truck... And HIDS on at night at idle alot case, the same voltage flows through each fan! As opposed to a clutch fan that is running at all times at. An auxiliary fan a high pressure system in this thread for everyone 's.. Of full-service, in-depth, compliance support that i tuned into the does... Traditional tune that is prevalent throughout have any questions or comments on topic... In this thread for everyone 's benefit supports it fan motor fan consumes energy constantly, whether or... The temps and pressures for the f-body fan control relays the high speed i would change to! Recommend programming the A/C is on fans Fitted: number of engine fans! Relays, the person lost his A/C compressor relay them off the A/C is on Chevrolet Silverado 1500 Pickup cooling... Anything false about that advertising the demands of a Truck with AC on or silverado electric fan tune on radiator.! Allows you to control i dont fry my PCM it off i 'll change wires. The fans come on each electric fan Pigtail Connector harness 10 AWG 12-volt power running... Pigtail Connector harness 10 AWG is factory equipped with electric fans can be!

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