Wideband Install Using Serial Connection and HP Tuners, AEM X-Series

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[@jeremyrobertson81]

What terminals do you put the wires into on the RS232?

[@MJW59]

I was going to ask same thing.

[@GoatRopeGarage]

Blue to 2, ground to 5

[@TheSmokeattack]

What about the others wires I got the connecter but I don't what pos to run to and can I run power from fuse box for guage.

[@jeremyrobertson81]

@@TheSmokeattack I ended up just using the egr signal wire instead, much cleaner and easier

[@GoatRopeGarage]

@@TheSmokeattack Should be in the manual

[@wereexpertstoo3795]

I ran across this video a few days ago but didn't realize it was what I was looking for . . . after some more research about getting the a wideband into an MPVI2 someone linked back to this and I knew enough to know this is what I needed. And the new LC-1 I have in a box from years ago is going to work perfectly for this. Thanks for taking the time to explain - a huge help.

[@QuigzDrifts]

I've tuned on hondata before successfully but HPtuners is new to me and I'm trying to learn. Thanks much for your video, you have taught me a lot

[@davidw.thatmsdguy8952]

Awesome! This was something I wish I knew before! Always had my wideband pinned to the pcm in place of the egr.

[@blairanthony3801]

Dude, you’re awesome I finally got one of your process videos to work. You go so fast it’s hard to keep up. Thank you!!

[@asb2106]

greatly appreciate the content! Got my setup going recently again with my 1 pro and i was using analog to tune, Seen more than one person talking about this, one watch and im ready to go!

[@jelenekoutdoors9023]

Hope you and the family are doing well, thanks again, you da man!!!!

[@OGChadney]

you are the GOAT of tuning my friend.

[@dsmubz]

This video is still helping people, thank you.

[@brandonpylant9349]

If this guy keeps on he is going to make a fortune and help tons of people. Keep up the good work

[@GoatRopeGarage]

Let's just start with helping tons of people!

[@brandonpylant9349]

@@GoatRopeGarage and that's why you will go far my friend

[@mkstewet2]

@@GoatRopeGarage Hey, good deeds should be rewarded ! ! ! !

[@RotaryTurbo]

I thought I needed the pro features of the MPVI2 to log my wideband originally, so this video just saved me $250! That's some fine help.

[@rollandsaxton]

@@RotaryTurbo so I'm new to tuning and just bought hptuner mpvi2 standard and I dont see some of the features that I hear others working with and thought i had to upgrade to pro. But after reading your post I think I just saved 250. Thanks

[@tombogershausen7067]

You Sir are my latest new Hero, brilliant information here, thank you.

[@GoatRopeGarage]

Thanks for watching and subscribing!

[@xwxwx7500]

I didn't know that was a thing, thanks for sharing.

[@timvandyke5358]

Thank you for this video and the links subbed.

[@davidchmelik6592]

goat rope. think I found my issue. after tinkering with it for about an hour while watching this video I looked over my wiring and I believe when I crimped the connection I crimped it at the rubber insulation and didn't get any of the actual wire because after crimping it in different spots it now works. thank you for making this video

[@davidchmelik6592]

now ive run into another issue. I followed ur video to the T and in my scanner the aem eq ratio is set to read in lambda but it shows afr. I went into transform and changed it to my aem 30-4110 and I cant get it to read in lambda therefore my "maf error" table we setup is reading crazy high numbers.

[@GoatRopeGarage]

Make sure your gauge is set to lambda, the data from it will always match the gauge and will show up as such no matter what you select, you can select AFR on the scanner and it will still read lambda when the gauge is set to lambda. Let me know!

[@MichaelGedies]

Awesome video. One question though, could you clarify which step causes the signal to disappear from the scanner, and why this happens?

[@jimmiemiller4327]

Instant sub. I was wondering if I could log my AFR in HPT without spending more money. I have the same AEM gauge. I am going to buy all the same stuff you bought and hook it all in at the same time. Thank you so much for this.

[@rockroll9513]

Same question here! Do you need MPVI2 Pro or can you use the standard?

[@christopherhubbard9490]

Thanks for all the videos! I have a 2015 Sierra 5.3, and I just bought the MPVI2 and want to get started. I would like to use the tuner on my buddy?s truck as well, and so I am wondering if it is possible to only temporarily install the wideband in a factory O2 bung during logging and tuning. Then replace the factory sensor for normal use, I realize after every modification I would need to reinstall it to update the tune. I don't particularly want to get a bung welded on, and as I said I want to be able to tune other vehicles. If I go down this route, what steps would I need to take in order to tune? I'm assuming force Open Loop. Are there any SES/DTCs to disable? Do I leave the factory narrowband connected to its harness but loose, or should I remove it? Many thanks! Chris

[@kimble005]

Hello. Just found your channel and am loving your tutorials. Thank you. My question is, Would I need 2 wideband sensors and gauges if I am running true dual exhaust? I have speed engineer headers and each have an O2 bung to use for narrow band. Also, once done tuning, would i then replace widebands with narrow bands for cruising? Thanks in advance.

[@NN072288]

Instrumentation tech here. Preach about the "good enough" attitude.

[@dustinlewis4521]

Thanks! Was wondering why the gauge did that in lambda... but who cares if there is an easy fix to this. Tuning a 98 Grand Prix GTP, using it as my learning platform.

[@chrisbryant1657]

I purchased the exact same WB O2 sensor you have. Will the setup your describing work with the original HPTuners version 2.2 that was discontinued a long time ago? My laptop os is windows 10 with usb 2 ports. 1998 z28 Camaro.

[@Therace-qz8ik]

Somewhere i think I remember you stating that if you are taking your readings post CAT that the reading will be off by (0.5). I have recently hooked up an Aem wb and am using the serial method like you have outlined. And i have it reading from the tailpipe adapter tube and my reading at idle is 1.48 lambda. Is this what you were talking about? I was wondering if under transform where it says (input/10+0=output) could correct this by making the (0) a (-0.5) so that it read (input/10+ - .5 = output)??Is this how you would accurately correct for this ?

[@jonathanrobinson8176]

How do you connect AEM X to the HP tuner mpvi2?

[@kurtperdew5601]

How do I wire into the 232 port? Should I buy a male 232 and lop the end off so I can splice into the appropriate wire from my gauge so I have something to plug into the adapter cable?

[@aleksmijakoski4281]

To connect up my AEM x series 30-300 to my MPVI2 will I need the pro feature or just the pro link cable thanks.

[@zachm9912]

When pinning out the rs232 connector, do you only use the Black & Blue wires (ground & signal)? Are there additional wires that need to be pinned? I'm getting the disappearing AEM channel issue when I start to record. Tried everything you mention and more. Still can't get it to work.

[@gusprovance4201]

I have a 2001 c5 corvette and I'm trying to connect the aem x series 30-0300 to hp tuners mpvi2 but cannot figure it out. Would this set up work for my application? Any help would be much appreciated

[@Eric-lf6yx]

So does this mean I could have just the mpvi2 without the pro feature package and connect my innovate DLG-1 dual widebands via serial-to-usb into my laptop and add an external serial channel in vcm?

[@tnroyal3778]

So if I want to tune in AFR would I still divide by 10 instead of 1...? Do I do the exact same settings also?

[@bsfc9]

My wideband has a usb output and I connected into my laptops usb a slot and it shows up as serial com 3 in device manager. Is this the same kind of connection less the rs232 to usb adapter? Will the scanner find the wideband if setup as outlined in the video?

[@MarnellBalmeo]

2021 here. Thank you for posting this

[@leroyhart1368]

Is there an updated version for the MPVI3 by chance? Seems it is kind of done differently. On you advice I did pick up the AEM gauge for tuning my Suburban.

[@Cambo540]

Hey man, got my AEM connected to rs232 to HP and the gauge and computer are reading different values. Gauge is reading rich at 13 and HP is reading 1.35 lambda. Any ideas? You been a huge help. Thanks.

[@waynesworld5657]

Is this wideband & lambda tuning set up an ideal path for dialing in a gen III lq4 vs narrow band afr ? I have an OG mvpi looking to get my feet wet tuning my wife’s 01 denali.

[@nickspall4552]

Can you use a 5 volt analogue out put with the mpvi2 using the rs232 serial adapter like you have done on the mpvi1?

[@markpollard500]

Love the videos so much knowlege. But man slow down a bit. Got newbies following you. Specially when showing your setup. Some of use trying to copy this.

[@RAWRMotorsports]

Facts ¿ he blast through so fast gotta rewind it 10x's

[@Go4BrokeOffroad]

If you are deleting rear o2's, can you just take the power and signal return from one of those channels and data log it that way? I'm just getting started with mine.

[@psiwog]

i use an tech-edge wide band sensor and its no listed in the serial options, what can I do to work around this as I dont want to do the analogue route

[@hassanabas1549]

Did i understand this right So if I have a mpvi2 with an aem wideband x series with obd2 harness I plug my new serial port USB side to the laptop and my db9 to another female db9 and through both of them will be the power and ground wires from my wideband gauge which used to go into a cigarette lighter wiring from the tuning school and now I can tune 3rd Gen gm vehicles without buying a pro feature and a pro link right? But now since I replaced the ciggerate lighter wiring to this serial db9 serial ports where is my wideband getting power from laptop ?

[@bartoszduzen7215]

Works! Great merch !

[@user-nx5hi8il3b]

The information was very helpful. Would like to know how to add a wideband that is not in the list, specifically a Glow Shift 7 color 0 to 5 volt analog. Can not seam to find the info anywhere. Using the serial to USB port. Have the data sheet but do not know where to put it in the scanner

[@chrisbryant1657]

I must have missed it. What make, model, and year is this WB O2 sensor installed in?

[@j.finesseflights1403]

Question, you speak about the noise coming from the power source can affect the gauge readings, would it be better if I powered it from a filtered 12v source like a pololu?

[@lsxjunkie]

@GoatRopeGarage I have the pro version MPVI. With the 30-300 AEM just put the white wire to terminal 1 and brown(ground) to terminal 5. After that how do I find it in the scanner?

[@GoatRopeGarage]

There are options for the analog in channels on the parameter list.

[@eddy3061]

Great channel. Do I need to sensors if I have dual exhaust. 68 Camaro

[@charleschatterley7947]

New to the tuning world. Would I ever need 2 widebands? Or can all this be done with just the single wideband setup? If a single will do, is there a preference on which bank to put it on?

[@theschultz-ster]

If I use an o2 bung i already installed, replacing my narrow ban. Is there a way to wire from the gauge back to my Narrow band for the ECU to read it or is that not necessary

[@GoatRopeGarage]

Nope, we disable then during the tuning process

[@mohammadalshirawi3239]

Goat Rope Garage is there wideband that do not support serial ? And how would i know if it does support serial?

[@franksotomayor7341]

Great vid I’ve come across a problem I get the Pid to show up but when I record it disappears and does not log the graph shows lamda but with a number that doesn’t change the computer I’m using does recognize the 232 and the settings were as u describe in the vid. Do u have any ideas? I have not updated from HP perhaps I will try this tonight. Thx for all u do great work brotha 👍🏼

[@GoatRopeGarage]

Reboot your computer with the adapter plugged in. Fairly common issue.

[@trumanbuckley8526]

Someone please help me out. I take the blue wire from the harness and put it on terminal 2 and the black wire from the harness to terminal 5? Or do I ground the black wire and separate ground to terminal 5?

[@dinkplayer3238]

On a v8 with a long y pipe, do u need 2 wideband sensors, one for each side, or can u use just one where the pipe connects together about 4' down the pipe?

[@GoatRopeGarage]

Just one, and you don't need to put it near the Y pipe, just keep it before any cats of you have them. It doesn't need exhaust flow from both banks, your changing fueling to the engine as a whole so either side is representative of the total AFR.

[@israellujan8432]

is there a way to run other gauges similar to the wideband using the serial input instead of using the analog on the side of the mpvi1

[@austinlindemann3503]

Thanks man for all the videos you are making, I am new to the tuning world and so glad I found your page Subscribed instantly keep up the good work, I was wondering can I just skip using the serial data plug and wire it strait into a USB plug and skip the extra connection, I am not mounting it in one vehicle want to be able to use it in more than one vehicle so it wont be solid mounted?

[@GoatRopeGarage]

You have to get a serial to USB, as that had a chip in it that converts the communication protocol. But they make some that you can splice or solder together.

[@austinlindemann3503]

@@GoatRopeGarage 10-4 thank you sir most helpful

[@JeremyMichaelJordanDIY]

Is a 12v positive needed? I’m guessing just hook to the red wire from cigarette lighter if so?

[@ians2920]

Hey There Awesome videos been binge watching them all day. My question is instead of using the RS-232 to USB interface cable. Could you not just a 2.0 USB cable and hook the data cable(blue wire) from AF Gauge to pin#3 and the ground into Pin#4 of the USB and not use the male/female RS-232 cables. I’m not electronics wizard but was just curious.

[@jorgelloyd5638]

I have the mpvi2 and dont want to buy pro link and pro feature. Can I use this option to connect my wb to data log?

[@GoatRopeGarage]

Yep, scanner is the same.

[@michaelprochaska9755]

Do you know a software that will log a serial input on Windows 10? The AEM Data Viewer/Serial monitor won't run on 10 and neither will Hyperterminal. This is so I can log AFR on engines without a PCM

[@LuisJim81]

hello, i'm very new to tuning and i have been learning a ton following your tuning series. I really appreciate you taking the time to make all the awesome videos. so i have do have a question, i followed your video and ordered the serial adapter, wired the wide-band to it and also got the serial to USB cable. my issue is that i have GlowShift Black 7 Color Needle Wideband Air/Fuel Ratio Gauge with a 4.9 LSU Wideband Oxygen Sensor, part number GS-C702-NWB, is there a way to collect on that using the HP tuners or will i have to purchase one thats already on the hp tuners list? thanks in advance for your time.

[@GoatRopeGarage]

Try some of the built in serial setups for the other brands, good chance one of those will work to bring the data in, just make sure it matches your gauge

[@shanemiller9307]

I wish you were my neighbor!!!!

[@fasnuf]

Even Mr. Rogers didn't have this good a neighbor!

[@danielsuehrstedt5396]

Hey man, I'm trying to tune a 3800SC that's in the back of my fiero. I'm using HP tuners, and have a AEM 4110. I have a db9 cable wired into the gauge, and the same db9 to USB cables I saw was used in the KZbin video about this. I've checked the drivers, and shut down the computer and started it up with the hp tuner and wodebamd connected. Even with all this, as soon as I hit log my wodeband dissappear. Any other ideas?! BTW love the videos, have helped alot!

[@garageforcerestos]

Hey, great video. Question for you - I am just looking for software to connect to my AEM Air/Fuel Sensor (30-0300) so I can log the AFR data to look at later. Nothing else would be connected. Any suggestions? Not sure I can use the HP tuner software as it wants to "connect to a vehicle" before you can add a new channel. thx

[@proto-techthinkit-buildit6150]

Just create a custom channel list in HP tuner to only show Wide Band information, if using a P01 gen 3 ecu use Pin 55 on blue connector to analog output + (white wire on AEM) and the brown wire on AEM goes to Analog output which is blue plug pin 40. You will need to add EGR sensor voltage in the channel list, create a new chart, and setup user math for that wide band to covert egr voltage to wideband afrs.

[@joshdrobny93]

Is there a way to hook up a wideband so it reads through the ECU? Someone told me it's possible through the egr circuit(since my egr is deleted) but I haven't been able to find any solid info on that

[@GoatRopeGarage]

Josh, the short answer is yes. The long answer gets a bit more complicated, it is often dependent on what ECU you have then what channels you have available. If the EGR circuit was an analog then you in theory should be able to wire the analog out from your wideband into that circuit, then you will need to do a conversion on the signal. The original device is generally going to be a 1-5v signal, like your wideband, but then your ECU scales it and that is what you see in the scanner. You then have to go into the scanner and alter that signal to scale to your wideband so effectively you are going to have to use math to switch it back to the 1-5v scale then use another equation to switch it to your AFR reading. I want to say a lot of people were using the AC pressure sensor input back a few years ago but I haven't looked into it for a long time. Your best bet is to dig into the forums for your vehicle and engine as the answer is going to vary based on platform. Good luck!

[@Cobra427Veight]

Hi , I have an AEM 30-0300 X wideband gauge , I just want to be able to log the AFR is there a simple plug in data logger for this ,so can then download to my laptop ? can suggest as may as possible that will work with this gauge Cheers .

[@GoatRopeGarage]

Doesn't AEM offer a simple software logger for that for free? If have to double check as I only run it with HP Tuners

[@jozefhermanson6728]

I'm normally very good about figuring stuff out like this but i'm at a loss. I have an innovate motorsports PSN-1. I used to be able to just use its included cable with a com port to usb adapter cable and log my data very easily. However that no longer works. so I bought the same DB9 connector here and hooked up the psn out signal to pin 2 and grounded pin 5 and nothing. Anyone have any ideas?

[@robertwcote]

Hey thanks so much for this video! That is awesome info. Is there a particular reason that you went through an RS-232 connector? I'm wondering if I can't just take the signal and ground from the wideband spliced to a USB connector which plugs into the USB hub. Is there any reason that wouldn't work? I don't want to include the RS-232 connector if it's not actually doing anything.

[@GoatRopeGarage]

You have two output options, an analog and a serial (rs-232), neither if which are supported by USB natively, the serial adapter is the easiest and cheapest way of doing it.

[@robertwcote]

@@GoatRopeGarage I guess I don't really understand what the serial connector is doing beyond being a pass-through then. Does the serial-to-USB adapter cable manipulate the signal in some way?

[@GoatRopeGarage]

@Robert Cote yep, it changes the 232 signal to something that can be read via USB. Unless your laptop/computer has an old school DB9 serial port you are going to have to use a serial to USB adapter. You have to think of USB as the highway in which the data is transferred on, the serial to USB adapter puts the wideband data in a car so it can drive on that highway.

[@rockroll9513]

Where does the other end of the serial port go? Do you plug the USB side into your MPVI2? Are you using a WB gauge or is the WB connected to the serial port? Can't see anything in video to understand how to connect the WB?

[@GoatRopeGarage]

Connects to your tuning laptop

[@justinridenour4277]

Can you send me everything I need from the tuner standard or pro ? 5he whole parts list if possible this gets confusing with this one says this and another saying something else thanks in advance

[@CrimsonHawk09]

Still not quite clear on the ground. I have the black and blue wires hooked to serial. Diagram shows a spliced ground of sorts to the battery. Do I just tap an extra long ground wire to the battery from the serial?

[@GoatRopeGarage]

No, any chassis ground will work

[@shanecarpenter3874]

Hey Kyle. Great work on the channel. Much appreciated. I hope I didn’t overlook this but I was looking for the reason for using usb2.0 instead of 3.0. I’m looking at new laptops and some don’t come with 2.0. Any specific reason for one over the other? Appreciate the help.

[@GoatRopeGarage]

Should be alright, though sometimes things just don't want to work right on USB 2

[@robertccole13]

@@GoatRopeGarage Thank you for all the videos! So we *do* want usb3 if possible? You recommend 2.0 in video

[@GoatRopeGarage]

Some don't like the USB 3 ports on the computer for what ever reason, so if you have a USB 2 port always try that one first

[@ivancastillo7872]

Disculpa no tienes los drivers o programa para poder vincularlos ?

[@mikeodell5915]

Great video

[@brianborg]

I there a way to hook up the aem x series to log data to tuner pro ADX?

[@katlynnisabella544]

so what if you're trying to tune something with true dual exhaust? do you have to run two widebands or will the single wideband be accurate for whichever bank it is on?

[@bretm4u2]

I am having problems seeing wide band. Innovate duel wide band. Comes with plug in adapter to serial. I can add channel to pid list, but when I click the record button it goes away. Stop recording and it comes back. Any ideas?

[@mkstewet2]

I have the X series and want to use it on my 2000 Silverado, will HP Tuners log through the OBD2 as this is a non CAN bus vehicle? Thanks for any input.

[@GoatRopeGarage]

No, you'll have to use serial or analog

[@cashlessracing]

Where should I put the sensor. I have three spot on my long tube headers. Speed engineering the two front and one in the y pipe? Can I use the y pipe for a wideband and still get an accurate reading?

[@GoatRopeGarage]

Yep

[@mohammadalshirawi3239]

Hi, I have a question on the new mpvi2 device , so my setup is a gauge from (WB brand) hooked to lighter plug to give it power and hooked to O2 sensor and I customized a cable to connect the gauge to a serial port then from there i got a serial to usb adapter and then i plug the usb into my laptop or i get multi usb hub and connect it to the mpvi2 ? I am confused in the last part where do i plug the usb is it into the laptop or a usb hub with the mpvi2 ( which mean both of them in one hub )?

[@GoatRopeGarage]

Both to the laptop, if it's one of the supported serial wideband sensors the software will see it when you add it to the parameter list.

[@mohammadalshirawi3239]

Goat Rope Garage is there wideband that do not support serial ? And how would i know if it does support serial?

[@dennisbrule9664]

Just a quick question . WHY did you use the transform instead of the decimal add or subtract ?

[@GoatRopeGarage]

Decimal add or subtract just adds digits behind the decimal point

[@1987WE4]

I'm trying to wire prolink+ to a AEM x-series 30-0310 what wires get connected to each other I can't find any directions on this

[@darwinfridgeseals741]

Hi Kyle, Thanks for this video, have just received my AEM 30-0300 X-Sereis Uego Gauge, my question is regarding the MVPI2 dongle. Do you think I will need to purchase the Pro link to run the AEM gauge, I will be installing the gauge as per this video. Thanks man.

[@GoatRopeGarage]

Nope, get the serial to USB stuff, save the money on the pro link

[@darwinfridgeseals741]

@@GoatRopeGarage Thanks so much for your quick reply, Have a great week end.

[@michaeldcurry]

@@darwinfridgeseals741 I bought the same gauge you mention above. Extended the blue wire to reach where I needed it to and then ran the ground for both the AFR and serial to the same point. Easy Peasy...

[@Busa0069]

Why does AFR only show only in tenths in serial mode when my gauge will show the hundredths decimal ? Is that why you tune in Lambda ?

[@UNLEASHED1198S]

So you plugged into pin 2 and 5 on the obd2??

[@johnknowles7233]

Where do I put the wires in the serial connection to usb and where on the aem x series I figured the blue would be used since it's serial

[@GoatRopeGarage]

Blue 2, black 5

[@thomasjohnson1142]

Hey bro sorry to hit you up again so soon but I think you did this video before you got the mpvi2 are you still logging the same I’m fixing to put in my AFR gauges 2 of them? Should I still go head and and use the serial and have you used the blue tooth at all on you mpvi2 data logging ? By the way my truck runs insane that’s why trying to get my gauge in it’s running so good I must have jacked something up lol.

[@GoatRopeGarage]

I didn't have to change anything going to the mpvi2 for logging with the Wideband, it's the same.

[@thomasjohnson1142]

One more thing I’m using a CTS2 edge Evolution to monitor and do some other data logging I was going to put a OBD two port splitter do you think it will interfere with my scanner and AFR gauges

[@GoatRopeGarage]

There is a chance it might mess with the scanner as both devices will be trying to pull data from the same address. The AFR gauge is designed to work along side of everything.

[@thomasjohnson1142]

Thankyou brother i will try and separate them see if anything changes will let you know. And another thing let everyone know copying anything off the HP repository is not the best idea I almost blown my transmission out doing that thank God for your video on the 6L 80 you got me straightened out thank you ABT!

[@krishill6505]

So could you run your analog signal lines in place of a narrow band o2 back to your ECU? And still be able to use the wideband for tuing?

[@GoatRopeGarage]

No, the narrowband works on a 1v range while widebands are 5

[@krishill6505]

@@GoatRopeGarage thank you

[@Mike_Neukam]

Some wideband controllers have a programmable output that will simulate a narrow band O² and can be installed that way

[@robertfalis9382]

How would one log wide band afr with a mpvi1? If I can’t how to I tune accurately?

[@GoatRopeGarage]

This way works with the original, used it for years like that

[@Hotrod9882]

Would I be able to hook my wideband up to mpvi2 with just the pro link cable or do I have to buy the pro link feature for $249.99

[@ELRman86]

Prolink cable doesn't do anything without the pro features set. If you buy the 3 items listed above its actually cheaper than the cable.

[@erikmichaud6017]

Is install different with the newer mpvi3?

[@mrjowls9814]

Hey there dude! I bought an AEM 30-0334 wideband before I realized that pre 2007 vehicles dont support the can bus interface. Will I be able to make this work as opposed to splicing my gauge into the hp pro link??

[@GoatRopeGarage]

I don't think it has a serial out, unfortunately

[@chrisbryant1657]

@@GoatRopeGarage So will your setup work on my '98 z28 with AEM 30-0300 x series WB, HPTuners version 2.2 (original serial interface), Windows 10 with USB 2.0 port? One of the 3 items listed in the description is no longer available on Amazon. I understand why I need the serial to usb adapter to connect HPTuners serial interface to USB port on my laptop. I'm not understanding what the other 2 items listed in the description are for.

[@natemcgowan5416]

Just to be clear this allows you to data log your AFR without having to buy the pro version?

[@GoatRopeGarage]

Correct

[@richardi9696]

Do I need the pro link cable to use the aem wideband 0300 with mpvi3 for the serial hookup for logging?

[@dsmubz]

No you don't, don't even waste your money on the Prolink. This will work fine via serial using this method.

[@13iker13oy]

The two wires coming from the Wideband to the serial adapter. Does it matter where they go in the serial adapter?

[@GoatRopeGarage]

Yeah, it will be on pin 2 and 3, if it doesn't work try switching them

[@13iker13oy]

Cool thank you

[@chill_chewy]

My serial port worked for a little bit, but then on my dyno day would only read 99.99 idk if my rs32 serial just gave out or what. So idk its driving me crazy

[@thatgsxrguy]

What part number would I use if I don’t want a gauge in the vehicle? I’m swapping a 5.3 into a 72c10. I have the mvpi2 standard version so I would follow this video to make it work for my application correct?

[@thatgsxrguy]

Would aem pn 30-0310 work?

[@GoatRopeGarage]

Bingo! amzn.to/2MrZxbk

[@thatgsxrguy]

Goat Rope Garage thanks man! I love the videos. I’ve been watching the tuning series on my lunch breaks trying to learn. Thanks for what you do for us newbs

[@GoatRopeGarage]

Glad to do it! Just trying to show that it's not that complicated as it seems at first!

[@blairbarham6532]

I you don't have you MPVI2 permanently mounted to you OB2 port in you vehicle, do you need the USB hub. Basically can I hook the Wideband into one USB port on the computer and the MPVI2 into a second port on the laptop. Or does all the info need to come through the same USB signal?

[@GoatRopeGarage]

Nah, I have the USB hub because some of my gauges are also configured USB

[@blairbarham6532]

Thanks love the Chanel man. I’ve learned so much from your video’s. And I’ve watch a lot of other tutorials and yours are the best.

[@scubastevoo8404]

i am using an LC-1 wideband and mine wont always show when i hit connect to vehicle. but i have had luck just hitting the record button instead. some how it has been working that way.

[@GoatRopeGarage]

I'll give it a shot next time!

[@abo3bssy717]

hi will this be powered by the rs-232 or will it need separate power ?

[@GoatRopeGarage]

No power required, the gauge you only use the TX, RX and ground

[@YZFoFittie]

I have an MPVI2 Pro with the Pro- Link. I am trying to hook up 2 AEM FAE 02's. Is it better to use the analog on the Pro-Link or the canbus option?

[@dsmubz]

Can bus is 10x better and more accurate.

[@YZFoFittie]

​@dsmubz the problem is you can only hook up 1 canbus at a time. =(

[@shakenfake]

Hey Kyle quick question about my serial input. Whenever I begin scanning it disappears until I close the scanner out and reopen it. I do not have any other usb to serial com ports listed in device manager. Any ideas?

[@shakenfake]

I've seen a few different thoughts on how to try to get this to work so I will do some of the suggestions. I will see if I can get something working tonight possibly and update this on what I did.

[@shakenfake]

So I tried to just run the cable first, truck on, plug everything in and then turn on the laptop. Still nothing. Someone says I should switch to pin 3 which does not make sense to me.

[@jpfiero]

I have this same problem