Silverado electric fan tune I did the electric fan conversion on my 2001 silverado with 4. See picture below. I will probably end up getting it one day but at the moment I thought it was kind of overkill for just this fan project. Hello everyone, I know this has been covered 100's of times but I can't seem to find a straight answer, I'm e-fan swapping my 01 Silverado 1500, using the factory fans and wiring from an 05 Silverado, I know the blue wire get's pinned to pin 42, Now I have read conflicting things about the Green wire, some have have pinned it to pin 33 and changed the pin output from recirc to fan 2. I have converted over to electric fans on my 2004 Silverado and I am using the factory harness pulled from a 2005 truck. Current Best: 14. All Factory parts install. How to Install Electric Fans GMC Sierra Chevy SilveradoPartsRadiator https://amzn. Now I'm wondering about getting 05 fan relays and having the Pcm control the Jul 31, 2019 · With the new fan bolted in place, we're able to now move onto wiring. Have the upgrade in 04ss . The harness from a 2005 -07 classic, works right in your 2002 with just a relay. summitracing. Thermostat 180º-240º Air Conditioning Relay www. Does anyone have the stock tune from a 2005 Silverado that I could use as a guide to tune my setup, or any advice on setting the parameters for optimal results. I used a factory harness and a factory fuse/relay block i also put a ac pressure sensor in so computer could operate the fans. 2 Fans Fan 1 On: 188 Fan 1 off: 184 enable speed: 0 disable speed :45 fan 2 on: 192 fan 2 off: 190 ac pressure on: 0 ac pressure off: 500 I've tried modifying these slightly, but they just won't turn on Full blast unless the AC is on. I figured there was some other options besides hp tuners. 2: In the same "system" menu, but under the "A/C" tab, change the "Type Fitted" drop down to Analog. do i need a custom tune to get the fan to work properly with the truck Thanks guys gonna get this done this winter! Ditch that clutch fan and upgrade to dual electric fans! An e-fan upgrade will decrease the load on the engine and water pump that will result in increase HP and throttle response. 0 soon. Our budget build truck electric fan kit includes the wiring harness and brackets you need to install electric fans (either LS1 fans or 05+ Full Size Electric Fans – “GT series” –FANS SOLD SEPARATELY). The holes for the fan to bolt on are already in the radiator support. Stock was "No Fans". I just e-fanned my '02 Silverado-411 PCM with Red/Blue connectors and I cannot get the fans to run correctly. Jul 28, 2023 · Hey everyone, When I swapped from the stock 4. Use the supplied Push-Lock connectors to mount the relay center to the fuse box housing using the holes drilled in Step 2. In the tuner u can pick 2 fans or aux what one?? I have converted over to electric fans on my 2004 Silverado and I am using the factory harness pulled from a 2005 truck. I read that you can pin the ecm for the fans to work like they do oem on 05 trucks. Should be the same for you. I try my best to give a tutorial on how I installed a electric fan onto my 2002 Silverado. From what I have read, most people use pin 42 only, why? Can anyone explain the functions of pin 33 and 42? Does only one pin turn on the fan when A/C is on? Dec 10, 2004 · Here is a new post concerning the installation of the GM 05’ electric fans in 2003 & 2004 Silverado SS’s only. Connections and Parts Included with this Fan Harness. Got my Maf squared away and have been working on my idle. 0:23 - Introduction, 1:11 - Downloading the Compare File, 2:00 - Applying In this video I show you how to set your fans using HPtuners. 8. 92 @ 93mph Jun 5, 2009 · The 05-06 Tahoe/Silverado electric fans can only be used if you have the larger radiator. In the tuner u can pick 2 fans or aux what one?? And the sec fan setting temp or do both come on at the same time?? What setting should I set them to??For hp tuners fan settings. what year and models have fans that will work with my 03 Silverado SS . Jun 15, 2017 · I have a 2004 Silverado 1500 that I installed a later model electric fan on, with the wiring harness from LS1fans. com/oh/parts/zir-10220/ov 1: In the "System" Menu, under the "Fans" tab, change "Fan Type" drop down to "2 Fans". Join the Carma Driving Club (Grandfathered into every future giveaway!) - https://bit. I have identified pin 17 and pin 58 for low and high fan control in the ECM. There is no reason to have the fans running when the vehicle is traveling at 45+ mph. The controllers have an adjustable thermostat, relay and fuse assembly and control my two radiator fans, my transmission cooler fan and the pusher fan in front on my AC condenser. If you For all the folks wanting to install electric fans on a budget! This version of our harness is made overseas, to our standards. com. What else do i need to make this work other than the fans, shroud and wiring harness from the 5. Used pin blue 42 and red 33 (green wire). to/413dyOTElectric Fans https://amzn. I refuse to go with custom tuning. The fans are a direct bolt on and the harness which can either be made, or bought is connected to the fans and to the pcm. If you're using a harness that utilizes a temperature probe, I've read that the probe is usually placed into the fins of the radiator as close to where the coolant enters the radiator as possible. I had the pins swapped for a 99-02. Once installed I got a buddy to tune, and enable fans. 0 LQ4 swap BlackBear Tuned, RCX, 20x12 Gears, 33" Nittos, Vette servo, Aeroforce Interceptor, 06 front, Efans, LED rear light, Airaid MIT, Weathertech, Pypes M-80, Retrofitted headlights, Esky interior pieces. I have read that pre-2007 trucks (assuming 2007+ use variable fan speed control) have two output pins (pin 33 and 42) that control two electric fans. Test that Mutha! Jun 26, 2010 · As the engine coolant temperature rises, the PCM increases the fan desired% value based on your Fan Desired% table. CavalryAutomotive. Had to make a revision to my last video. Fan 1 is on the driver’s side and Fan 2 is on the passenger’s side. Nov 29, 2019 · I have a 2001 Silverado 4. So if you have the smaller one, you need to upgrade your radiator first. This same setup can be used on 03-04 trucks as well, however the only difference is the wiring that connects I have converted over to electric fans on my 2004 Silverado and I am using the factory harness pulled from a 2005 truck. This is what I came up with so far: A Flex-A-Lite variable dual electric fan. you must upgrade t Dec 22, 2019 · I am working on a 4. order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e Apr 25, 2019 · The PCM controls it, the settings can be adjusted with a custom tune. May 1, 2020 · Yes my fans are from an 05 silverado. 0 truck radiator and never had any issues with cooling ever. [email protected] - [email protected] Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs I have a 2000 silverado with a 5. May 27, 2012 · +06 Silverado stock e-fans, fan harness, and a tune for them to automatically turn on at temp and AC pressure. Aug 13, 2021 · There are several places you can buy a new custom harness that swaps right in for your 2002, they are about $120-$150. Now I need to do the necessary tuning in order to enable the fans. Also might have to upgrade the alt to a 140amp, or possibly use a overdrive pulley on the stock alt. Oct 16, 2010 · 1. to/3S0vPsfElectric Fan Harness In this video I do a dual electric fan swap on a 2000 Silverado using the BP Automotive Fan harness. Jun 4, 2021 · I found the settings. Brackets Mar 2, 2021 · This is a easy way to control your efan swap without doing anything crazy to the harness. Ive obviously either did use the correct settings or my sensor Jun 15, 2011 · 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 I'll attach my tune but here's a layout of the settings. I searched the forums and adjusted my tune so that the fans will come on with the AC. It’s not a forum to comment on how you would do it better, nor is it a post for any vehicles other than 03’ & 04’ SS’s. Flex a lite kit was awesome for many years. The fans work on stage 1 as they should. Jun 29, 2011 · The 05-06 Tahoe/Silverado electric fans can only be used if you have a larger radiator. For pre 03 you are going to have the different pin setup into the the ECM but the only thing needed different from these settings is to change the setting under AC for "recirculation fitted" from Fan #2 like in the picture to AC Recirc in the drop down menu. to/2Nl0EdG Hp Tuners is a very Powerful software that you can do pretty much everything wit UPDATE: I CAN PROGRAM THE ECU TO TURN THE FANS ON NOWVisit www. p/n 282 Dual 15" blades move 5500 CFM Variable Speed Control Glass reinforced nylon injection molded shroud Amp Draw 28 Adj. probe, connect relay ground, tap ignition power wire, tap AC clutch wire, connect main relay power. Thanks for any help! (NOTE: tune is in beta) In this video we tear into my Turbocharged 2003 Yukon XL "Uncle Rob" for a factory 2005+ electric fan conversion! The 99-04 trucks and same body style Tahoe 13. I DID change the A/C Recirc to Fan #2 in the tune, and installed the fan control wires into the correct pin locations 42 & 33. I believe high speed only kicks on with A/C or if you are really hot. to/3CfPhL0Fan Harnesshttps://amzn. I've tried a few different fan controllers but none of them help up like the first flex a lite kit. I use a Four Seasons fan controller kit - actually, three of them -- their part number 35879. Installed a new camshaft and some bolt ons. The Electric fan conversion will work on the 99-06 Gm trucks with the vortec v8 I’m not sure about the 6 cylinder models, if the fuse box looks the same it s I am doing an electric fan conversion on my 2009 silverado 2500HD. Set up e fans with a custom relay harness on on a 99 silverado. 15. How would i go about tuning that, and or is it possible? I converted my 04 Silverado to electric cooling fans. After finally being satisfied with tuning performance I wanted to delete the mechanical fan. I dont have his specific tune on my phone to upload currently but what should the pcm settings be? Apr 20, 2024 · TECHNICAL WRITE-UPS - Installing 06 Chevy E-fans on a 01 Chevy - This is a step by step tutorial on how to upgrade any 99-02 GMT800 truck or SUV to the 05-06 GMT800 electric cooling fans. 8L to the big 6. Some trucks may have the smaller radiator, therefor the fans will not it. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Aug 6, 2018 · While there is still a chance this could happen with the electric fans, this is a much lower probability since you will have quite a bit of air flow over the condenser even at idle with the electric fans. In addition, an e-fan harness will draw more air across the radiator in stop and go traffic and at idle, which will result in cooler engine temps and cooler AC May 26, 2015 · I used parts off a 2005 Silverado to get a stock 3 relay fan setup. Stock stat. Just the other day it was around 90 degrees out and the high side was about 380psi. I didn't change anything in my tune at all under the system tab Apr 1, 2005 · For hp tuners fan settings. 2. If you have the 34 inch radiator, like I do, the fans will bolt right up as if they were made for your truck. I will give the disclaimer that I am from a northern state where we rarely break 100*F, so you folks down south are on your own. to/2LIo1NXIn Canada Hp Tuners https://amzn. Jan 15, 2013 · 2004 SIlverado ECSB Z71 6. This is a super easy process and should only take a few mins! With that being said this is a ve So I’m trying to do the e fan conversion on my 2001 Silverado I already swapped in the 34 inch radiator so I just need the fan the harness and a tune. com How to add our electric fan patch settings to your HP tuners file. Jan 10, 2021 · Thanks to FarmerJohnson Off-Road for sending in an electric fan harness, and check out one of his videos on how to remove an electric fan harness at the junk Jul 1, 2023 · So I have a 2003 silverado 1500hd. (Kind of a duh, but I forgot lol) I did that, but fans would still come on as soon as I started the truck. 8 2007 Silverado. 3 and will be swapping in a 6. I currently did the electric fan swap. 0L in my 2004 1500 LS, I kept the stock mechanical fan and swapped in an OEM 6. If you have a 34-inch radiator, as I do, the fans will bolt right up as if they were made for your truck. Thank you. Insert the connector into the hole and then push in the center to lock it in place (see Figure 12). The State vs Desired Fan% settings are like a threashold that the pcm uses to turn the fans on and off. The fans still will not come on. to/3WFyPLV NOTE: Fan codes P0480, p0481, and p0483 need to be disabled in your tune for the fan switch, and set to NO ERROR REPORTING. Looking for the fan harness for 1999-2002 truck? Click here. pcmofnc. Sep 5, 2021 · The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. These are the settings for 2003 up. 14. I also already have the harness as well. Plug the harness into the electric fans. I pulled one for $11, and one for IIRC $17. Well it's December here in SC, so I didn't notice at first, but for some reason my fans will not operate now. Click Here for electric fan patch information. Sep 2, 2021 · The fans on my LS engine equipped 1970 El Camino are NOT PCM controlled. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block. 2004 SS Silverado electric fan swap. (2005-2007 classic). 2nd fan (passenger side) comes on as soon as you start the vehicle and stays on. power, gound the fans to the big aluminum rail over the top of the radiator, insert the termo. The truck now has a clutch fan. 8l 2wd 5 speed manual transmission truck. Pretty sure 2 fans on low is more airflow than a clutch fan at idle. Once the Fan Desired% goes above or below the State vs. I have been working on the tune. After they died, I went with oem style fans, and a wide body radiator. Jul 17, 2012 · You'll need an OEM or aftermarket fan harness and a custom tune to enable this. This post is for strictly to tell you how I did it. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) to operate both fans together at low or high speeds. The advantage of using the PCM to control the fans via the pressure switch vs the A/C relay is that the PCM turns the fans off when you reach a designated speed. commanded high fans on and they went to 260 which was about right for the temps. 0 ecu and harness and now the electric fans won?t turn on and my motor will over heat if I drive it for to long do y?all have any suggestions or will know what I should do to turn Mar 20, 2011 · So I have started my research stage in the electric cooling fan mod/install for the 2004 5. I would like to get rid of it and replace it with electric fans from a newer truck. BP Automotive AC Update Kithttps://bp-automotive. ly/CDCMembershipSend the Carmaspeed team a text message - +19285639274C Jun 27, 2010 · The 05-06 Tahoe/Silverado electric fans can only be used if you have the larger radiator. com/product-tag/ac-update-kit/9 Blade Electric Fanshttps://amzn. It is pinned to the pcm correctly and works great when the truck reaches temp. We will do this for free if you send in your ECM. The factory tune has Fan 1 turn on at 226F and fan 2 turn on at 235F, at least according to a 2006 5. On the 99-02 trucks the electric fan conversion harness has 6 total connections to make: one connection to each fan, constant power to the relays, ground, blue trigger wire to pin 42 on the ECM connector, and green trigger wire to the A/C clutch signal wire. Using this fan: https://www. Apr 5, 2017 · Low fans are on the second the truck is running regardless of any variable or condition. I just picked up a set of dual fans from an 05 Suburban and am going to make my own relay harness to Hp Tuners https://amzn. 3L. Desired Fan%, the fans either turn on or off. Click Here for more info on our electric fan kits. Jan 9, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have a 2004 Silverado 1500 that I installed a later model electric fan on, with the wiring harness from LS1fans. com to get in touch!Fan's purchased from Amazon - Dorman 620-652 Radiator Fa Jun 25, 2008 · Trying to do an electric fan conversion. Aug 24, 2018 · I also have a 98 suburban running an 0411 running electric fans with a completely different OS. 3. Question 1 what harness did you guys use? I see they have the glens auto one for 150, but they also have some on Amazon for a fraction of the price. Both Cooling Fan Connectors for 2005-2013 Factory GM Truck/SUV Electric Cooling Fans; Battery Power Connection to Alternator; Ground Connection Straight to Battery; All Mounting Hardware; Harness Connections to PCM; Connections From Our Harness You Will Need Pin Into PCM. I took the fans and the harness from an 2005. 3 with Stock 4L60E Z06 Cam, S&B Intake, JBA Headers, Magnaflow Cats, Corsa Cat Back, LS1 Fans, Tuned with HP Tuners. Thanks for watching please like and subscribe for more c Mar 5, 2012 · Wiring the fans took the longest but pretty simple; mount relay controller to top of PCM cover, connect fan 1 & 2 pos. But the stage 2 doesn't activate with ac pressure. Fan 1 Relay Control I need help turning my electric fans on so I recently swapped my 2008 Silverado from a v6 to a 6. . I am using factory GM dual fans from a 2008 silverado 1500 with a tow package. 0 from a 2008 2500 Silverado my electric were working when I had the v6 in but once I finished the swap I used the 6. 2001 Silverado Z71 4x4 5. 3. I have a Diablo predator u7198 that I run my own fuel and spark settings in the canned tune. 3L truck tune that is what it shows. zghebgqo jfu mvh oopqsm tdmkvr kfmebcc zggxgyli lvbb ihf fpxn