Tahoe Electric Fan Conversion No Tune Tutorial 99-07🔥🌪️ save Money 💰Hack
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- Опубликовано: 24 авг 2024
- 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 should be good. You will need the electric fan harness from a 03-06 Gm truck. Also guys if you’d like to help support the channel you can purchase a shirt #ad amzn.to/47aNiVR which helps me provide you with better content on the channel!
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Disclaimer: The information provided in this RUclips channel is intended for educational and entertainment purposes only. The techniques, modifications, and suggestions demonstrated are based on personal experiences and should be performed by individuals with appropriate skills and knowledge. It is essential to prioritize safety, follow manufacturer guidelines, and comply with local laws when modifying or operating any vehicle. The creator of this channel shall not be held liable for any accidents, injuries, or damages resulting from the use or misuse of the content provided. Viewer discretion and responsibility are advised.
The bottom of my fuse box in the center black squares have different color wires then urs.. for example looks like u have like 3 reds on the top right hand side and I have none.. and another thing is u have the blue wire and then next to it u have the dark green wire that u tap in to.. on mine I have a dark green wire where ur blue one is and then next to it I have two black wires where your dark green wire is..
So do I tap into the dark green one where ur blue one is or do I tap into the black ones where your dark green wire is?
And then next question if I tap into one of my two black wires where ur dark green one is which one do I tap into or would it matter?
What year is your truck? It sounds like those 2 black wires are shared ground, it’s best to test your dark green wire with a multimeter to see if it gives it 12v when the ac clutch engages and if not you can test the black wires with the meter, or you can also get the clutch wire on the compressor plug
2003 Tahoe z71
@@shaneobryon7167 - same issue here on a 03 LT, I'm about to test the wires.
@@shaneobryon7167 I see most likely the 03-06 Pin location is different from the 99-02. You can get the clutch wire at the compressor plug, the wires have to be tested with the multimeter to make sure you get the correct one
@shaneobryon7167 - OK I'm back.. I just tested it a few times and looks like we'll want that solid green to the left of those two black wires.
For everyone keep in mind if youre gonna pull these out of a junkyard. ONLY 2005 and 2006 trucks have electric fans. A way to tell if the truck has electric fans is by seeing if they have a lower splitter/lip on the front bumper. Some LS or SLE models might not have a splitter
Thanks!!💯💯💯
I just did it thanks to you man worked out great that old clutch fan was annoying keep up with the Tahoe videos 👍🏼
Awesome glad it helped out! And Thanks!!💯
Excellent video, purchased a 2003 Yukon XL in August. I want to do this upgrade and gain a little power up here in Colorado. Also dont need the stock fan spinning in sub zero temps either.
Glad you liked it and Thanks! Congrats on your new Yukon, and sounds very cold over there.
If I dont find a 2005 electric fan set to replace my old clutch fan... Any good single fan options? I already pulled the AC belt off since AC is not needed up here. A single 9 or 10 blade that pulls 12amps or less should suffice.
@@cjrciadt the 05-06 fans will work or the 07-14 Fans as well. On my Tahoe I used them off a 2010 Tahoe, they sell them new or usually can be found used in a salvage yard or market place. I believe the factory dual fans will work best since there is no modification needed to mount them in place they only require to have the 34” radiator
Great video! Not 03-04 didn't have Efans. Dorman sell EFans pretty cheap!
Thanks!! Your right on the years and yes I’ve used the Dorman fans also good and not a bad price!💯
Awesome video. You really go into detail! I got some efsns from a 2005 Denali and want to put them on my 2001 Silverado.
Glad it helps out!!
Thanks man. Really was considering paying the extra for the tune. Found your video and has helped a lot. I got everything ordered, I got the wiring harness all set up and ready to go. Just gonna see how the install goes this weekend.
Nice bro, and Appreciate it. Let us know how it goes👍🏼
@@MiGo713everything went well and everything works as it should. AC works without any issues. Voltage did drop a little a bit but either way I am gonna be replacing the battery and alternator in the coming weeks. The only thing I wish is that the fans turn off when the truck turns off. Other than that I’m happy the way it turned out. Again, thank you.
@@davidmendez7365 I’m glad to hear it bro!💯 and if you don’t want them to turn on at all you can put another relay with a ignition trigger on the temperature sensor, or you can turn it up a little bit on the sensor setting👍🏼
Did you use factory harness or the Amazon one?
Awesome tutorial bro! Will be doing a efan conversion soon on my 01 burban, will eventually do a tune and turn the fans on within the ecm but going to wait until I do my Truck Norris cam and some headers, at that time I'll swap to ecm controlled! Great video, keep up the good work bro!
Glad it helps out! Sounds like a good plan on your build and Thanks!!
You should do an update video just to show how everything is working and now with the a/c going if you have had a chance to fix it. Other than that all your videos are all 🔥 thanks for all the knowledge on these gmt-800’s 👍🏻
Yes I fixed the Ac, and that sounds like a good video to work on and Appreciate it!!💯
You are the man saved me 250$ for a tune 😂🎉🎉🎉
I like how my truck has a 190 thermostat I’m going to do this and keep it at 190 and all times I would would the when I had my clutch fam
Awesome bro!!💯💯💯 💰
Yes u messing the correct parts!!! A/c transducer switch, pcm to command the fans, and a tune!! Just like gm dis on 2005+ trucks
Just did this today 🔥 I had the e fans for the longest but never installed them because of the expensive tune lol. Now I can idle my suburban without it over heating 🔥 thank you for all this knowledge you put out bro your the goat migo 💯
When I crank the ignition on my truck the high speed ac fan turns on right away even tho my ac is off. It turns off if I turn on the ac and turn it back on, what could be the issue ?
Awesome! And Thanks!💯 it sounds like you may have something reversed in the A/C wiring where it’s triggering it off instead of on with the A/C 🤔
Great video worked for my 2002 Escalade.
Is it the same process for a 2003 Tahoe?
Awesome great to hear it! It’s the same on the 03-06 except the A/C clutch wire underneath the fuse box is pinned slightly different but same color, it’s best to test it with the multi meter always and you can also get it at the A/C compressor
@@MiGo713 thanks
Mannnn, you're the best. This a better way than the sensor they had for mine. I hope you're free this weekend 💪🏿💪🏿💪🏿
Thanks bro, not sure what that other sensor looked like🤔
I have this setup on my escalade before I do the tune, only different that I did is that I put the probe inside of the upper radiator hose for accurate reading the temperature
Oh cool, yeah they do go in there but I didn’t want to mess with my coolant and so I like to use them on my radiator fins which still work also👍🏼
So my truck is a 2004 Silverado. Snagged the bigger heavt duty fans and radiator out of a 2006 Z71 and the fan harness and relays out of a 2005 Tahoe and hooked them up exactyas he did. However my AC wire was in a different location and different color. No big deal. The thermo switch kit, regulator and plug in stock at Advanced Auto cost me about $50. Pretty easy . Follow what he says and adjust the thermo switch or you will kill your battery! Great video
Yes on the 03-06 the ac clutch wire is pinned on the left of the 2 black wires pinned together just not exactly like the 99-02 but it should also be a dark green wire. Some of the guys here tested it out and awesome glad you got it to work out! And Thanks!!💯💯💯
great instructional video. I have a 2001 Tahoe with an aftermarket set of fans. They quit working as I was towing a 5k trailer in over a 100 degres weather. Not fun. Fortunately, I pulled off and saved my engine. A friend rewired to a switch that I can turn it on and off. Saved my butt and travel plans.
Now that I have this set up, Im kind of liking the idea of a simple "on and off" from my dash with a light. I left tbe clutch fan on for cooler weather and non towing.
Question you ok? How much did you spend on the 2003 fans and the 2007 wiring and harness how time did it take you? Im asking because I only use my Tahoe for vacations. Bottom line? I may just keep it the way it is. Can you see any reason I cant just bypass all of this with a simple on and off switch?
This is not a daily driver.
It sounds like you already have it working with a toggle switch. It cost me around 300 with original fans and wiring. It takes about 1hr or less to install, took me longer filming. But I did this to my daily driver so I don’t have to worry about controlling it myself with a toggle switch the relays take care of that.
I have a question that would be for all nbs models I was searching and from 1999-2002 you need to some work for the ac to work on high
@@oscargonzalez6195 This wiring is on my 2001 Tahoe which is 99-02 but also works on 03-06 except on that year the a/c clutch wire is pined slightly different
@MiGo713 oh alright well let me tell you you did an excellent job on the e fans very nice job. I like that no tune need I'm planning to do on mine, mine is a 02 gmc yukon denali. I'm just missing the oem harness I haven't look for it locally.
I'm making an update, I just have finished installing the e fans with your video and let me tell you thank you so much I did everything you told us. Right now I'm just checking how many times do they turn on while the engine is off and so far just 2 times.
Nice Migo, yeah been wanting to do this to my 02, not trying to take it to a tuner. By chance you don't make those wiring harness you can sell me??? Tuning and wiring not my thing. Just subscribed ✌️
Welcome to the channel! And Thanks!! 💯I see what you mean, I don’t sell the harness It’s factory from a 05-06 Tahoe. I have seen some aftermarket ones in Amazon with 3 relays like the factory
How dose your alternator handle the extra pull from the fans?
Like a champ it’s a High output Dc Power Alternator 370amp, but the way they are wired they don’t pull much in series mostly In the 40amp range, for brief moments it pulls the full 80 amps when everything is going like A/C and right engine temperature at idle, other than that 40 on the road with the A/C, so even with the 130amp stock alternator is ok, but of course having a high output Alternator is always good 👍🏼
Why not have the power to the fans set up to ignition?
You can but it would be a waste of energy with big current draw and the fans wouldn’t last too long being on all the time.
I'm struggling here with the wiring. I ordered the wiring kit and relay you said to order(not a stock unit available near me)
My issue is on the 2nd relay-yellow to light blue(ac output) and the white to the green under fuse box. Well on the aftermarket harness, it only has the green and white wire, so I'm at a standstill until i figure out what gets wired to what and then what gets wired to the probe switch. Please advise!
@@itsryanfoo If your aftermarket harness has the two trigger wires , you have to test them to see which wire color turns on both fans on low speed and use that wire to the probe switch output. Assuming they are wired like factory with ( - ) inputs.
The other wire should turn on one fan on high speed and gets connected to the A/C relay pin 87 ( - ) output triggered by the 12+ clutch wire on pin 86
Both fans should go on high speed when the A/C clutch wire is cycling and the engine is at operating temperature
@MiGo713 on the Amazon harness the white wire controls low speed, so that should go on the output side of the probe?
Green wire turns them both on high, so that one should be the one tied into the fuse box green wire? And the black and blue get grounded anywhere??
Sorry for so many questions!
@MiGo713 So the white wire controls low, and the green wire controls high for both(on the Amazon harness) can you please tell me where to wire each one?
@@itsryanfoo Ah ok, they have wired a bit different but yes you have it right. Low speed on the probe output and the high speed to the A/C relay output pin 87, and yes you can ground pin 85 and Pin 30 in any good location you want . If that harness is turning both fans on high speed with the 1 single wire it’s a good idea to have a high output Alternator since it will draw 80 amps each time the A/C cycles. And no worries hope that helps!
@MiGo713 white wire from amazon harness to output on probe- so no other wires need to connect to the harness white wire?
If that's the case, the green wire(High speed fans) get wired to the yellow#87? What about #86?
Thanks for the detailed video! You mentioned these fans are from an '07 and up. If i get fans off an '05 will it all work the same? Or will wiring or anything be different?
No problem👍🏼 and Yes 05 fans will work the wiring is the same, the only difference is the fan blade numbers
So I finally got it figured out, all runs good but now my temp Guage dropped all the way down and doesn't go back up
Nice, not sure on your cluster maybe a bad steeper motor or something with your speedometer
@MiGo713 you the man! My last question is....with your truck, do both fans go on high speed at any time? When I'm driving with the ac on, the passenger side fan is on high speed but the other one is OFF, if i turn off AC, they both turn on low. Is this correct?
Still struggling with this. Should both fans be on when AC is on and truck is at temp? Right now when the AC is on only the passenger side fan comes on regardless of operating temp. If I turn ac off, both fans come on low.
@@itsryanfoo I’m not sure how that aftermarket harness is wired up. But the way the factory harness works like it’s wired here is
- operating temperature 2 fans on low speed
- A/c on without operating temperature 1 fan on high speed
- A/C on at operating temperature 2 fans on High speed
@MiGo713 damn then yeah something is wrong... the driver side fan hasn't been on high at all and turns off when ac comes on
By hooking up the high side of the fan to the ac wire would that keep the fan running while I'm using the ac?
The way I wired it with the relay it will cycle the Fans on High with the A/C everytime the clutch engages on the compressor
@@MiGo713 sweet ok thanks for getting back to me!
@jorged7961 No problem!💯
@@jorged7961@ thats the wrong way to do it! Inmagine the turbo hi fans on at all times!!! Even at highway speeds
@gerardolopez5875 ok, so what do you recommend? Sir
I deleted my a/c what are my options
You could try a separate temp sensor for a higher temp setting, maybe a toggle switch, or anything that you want to trigger the fans on high speed
Bro I love your videos they are super informative and I been following you for years on ig and YT
Thanks bro!! And I’m glad they are helpful⚡️⚡️⚡️
My A/C dont work on my truck. Is there another way i can wire the high side for the fans?
They can be wired to which ever source you want them to be turned on with a negative signal, for example another temperature sensor,toggle switch or any other you want. The high side is not designed to be powered on too long with the factory wiring they pull 80 amps on high.
Change that air filter. Not a good spot for it
If i get my pcm tuned for e fans would i still be able to pass smog
We don’t have smog in Texas, but I don’t see why it would be a bad thing if they are on from the factory 05 and up
If you're in CA, it won't pass because the tune will change the checksum value in the pcm. Basically, they already know what the checksum value should be, and if it doesn't match, you don't pass. Get a spare pcm and you're fine. Just swap it back to the clutch fan every other year. It isn't that time consuming once you have everything setup once.
@@JLSAudioWorx This is not a tune and I’m not using the bcm
@@JLSAudioWorx I took it to my tuner and said it would pass as long as we don't mess with emissions all he did was program it for fans and tuned some shift points
So I have an 03 yukon xl denali with the clutch fan. I'd like to do this exact swap based on your instructions. Which year fans will work? I'm seeing a lot of back and forth on forums on which ones will be Compatible, especially with this set up here.
And I just checked my fuse box is much different on the bottom...I got a dark green, green with a white line. No reds in corner, no blacks
@@itsryanfoo You need to have the 34” factory radiator installed, if your truck has the smaller 28” you will need to replace it with the bigger one plug and play. The fans can be used from 05-14 Gm trucks they’re the same. Except the 07-14 have more airflow with the upgraded 7 blade design vs the 05-06 fans. So on my Tahoe I’m using the 2007 fans off a Tahoe to get the most airflow. They all have the same power connector pigtails.
@@itsryanfoo Yes cause mines is 99-02. Yours is 03-06 so it will be pinned differently, it should still be the solid green wire but make sure to test it with a multimeter or you can also go directly to your A/C compressor and get it there
@MiGo713 copy that! Yeah I have the upgraded 4 row 34" aluminum radiator. So the steps should be the same just got to hit that solid green?. Thanks for the reply sir!
@@itsryanfoo Yes, just make sure to test it with your multimeter!
I followed your direction to the letter and the a/c fan does not come on. If I touch the blue wire directly to the battery both fans come on. Is that an issue? Please help.
What year is your truck? And which blue wire? On the relay?
@@MiGo713 2003 Suburban...I have the right green wire. I think the relay form the video is wrong. Going to test that theory
@@John-kr6dm On the 03-06 the green wire is pinned different, check the pinned comment where some of the guys hooked it up on the 03-06
Hey bro where are you located if I get all the parts what would you charge me to do the install you did a great job
Thanks! At the moment I have no shop to install
@@MiGo713 oh ok I gotcha I don’t mind if you do it out your garage I live in Pasadena tx
@@qrsservices9576@ install? This cheapy install anyone can do it!! I recommend u to install the right way!!! 3 pin a/c transducer! Pcm to command fans, and tune !!! Just like gm dis on 05 trucks
If you find a way to make the fans cycle high from ac pressure that would be the real fix. Mine run off a tune and ac conpressor signal which isnt ideal, but works..
Mines have been working good like this, but if I can check something like that in the future for sure I will post it👍🏼
@@theblazingrevolver4719 They are working great now👍🏼 I’d rather not make it more complicated by adding extra wires or anything else
I have mine wired up the same way but.. when I cold start truck and turn ac on my fans do not come on not low nor high. And It doesn’t blow cold until my truck reaches temp and fans turn on then my ac starts blowing cold..
Have a question about this if you turn on the a/c will both fans be on constant or will it cycle on off with the clutch? Only ask cause I was a little confused when you said the wiring was too small to be on at all the time but that when the a/c turned on the the fans would kick on? Thanks and love all the content I actually traded for a Denali just cause of your channel 😆 keep up the good work
Yes the fans will cycle on and off with the clutch, they are not designed to be on constant on all the time, and Nice you have a Denali👍🏽 and Thanks!!💯
@@MiGo713 thank you 🙏 and yup I started to fix my dads old Silverado and then I went and traded for an 02 Denali just cause I liked how your Yukon was 😂 but that’s what I’m a be doing these 2 weeks I have off hunting down the fans and the wiring. Thank you sir. Appreciate it
@@LiLrampage209 Ah ok I see that’s cool, and Thanks! Good luck on your build!💯💯💯
Are you close dfw just asking , I can help Hptuners
It’s fine like this, but Thanks!!
Lad I have the same battery in my Tahoe should I upgrade I heard you say you didn’t like the battery 🔋
Hey, yes I don’t like the factory lead acid battery. They can explode without proper maintenance which most people don’t have time to do or forget. And so I prefer upgrading to a AGM style battery which do not require maintenance and won’t spill, they also usually have more power and don’t get damaged when drained like a standard battery, so I like Using the XS Power battery’s on my truck even though there are other AGM brands
Would this work on 4.3 engines?
I’m not sure, but I believe if the fuse box and wiring with pin locations and everything matches should work🤔it’s best to have the wires tested out with a multimeter
Folks if you love your truck just get a tuner and do it yourself following YT tutorials. Work that OT or wait to save up but eventually you want to tune it (beyond controlling your fans). This is amazing if you have a customer that doesn't wanna pay and you just want em off your shop lol.
i can’t get mines to turn on they will only turn on if i out the switch all the way down to make them turn on.they wont kick on .if i turn the ac on they will turn on but wont shut off and just spin fast
Sounds like you have it connected right except your temperature setting is too low you need to adjust it when it closer to the operating temperature
@@MiGo713 i’ve let it get up to operating temp and it won’t turn on unless i put the knob all the way to the left to turn on .i turned the knob a little to the right ,right after it turns on manually and nothing
@@brayanh3583 how did you connect the wires on the temp sensor?
@@MiGo713 the rod is in the radiator one is grounded with the other grounds form the relay and the other wire is going to the 2 pin connection from the fans
@@brayanh3583 Ok that’s right, you can try swapping the the terminal wires on the probe which shouldn’t matter but it might help in your case or unless that sensor is just bad. Or needs to be adjusted again
Man you need to eddit the sound on the video you repeat yourself saying the same things 2-3 times
🫡
Repeating what you’re doing 4 times over for literally every step……….