The Electric HMMWV Strikes Back - More Trouble with charging
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- čas přidán 3. 05. 2024
- More trouble with charging, I almost melt down the pre-charge resistor, but progress is being made.
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▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:00 - Intro & Apology
0:26 - AC:DC converter, new fuse
4:24 - PerGear EV Home Charger
6:46 - Not Charging
7:46 - Brake Switch, Circuit Breaker, & Diagnostic Ports
10:02 - Fixing the Display & Motor Settings
16:05 - Twisted pair & last charging
Tags: AC/DC converter, DC/DC converter, AC:DC converter, DC:DC converter, EV diagnostics, EV doctor, Electric supercar, JerryRigEverything, electric hummer,jerryrigeverything,jerryrigeverything hummer,electric humvee,electric hmmwv,ev doctor,electric supercar,electric car diagnostics,ev diagnosis,electric converted hummer,electric conversion,electric vehicle charger,onboard charger,on-board charger,on board charger,charger problem, - Auta a dopravní prostředky
And I thought diagnosing electrical issues on a regular car was bad! Loving the troubleshooting process but I’m sure you’re ready to be done haha
So close...I can feel it!
cant wait to see the moment "ahhh it was this lil thing like a ground into poor mount or something like the I should have had a v8 "
Surely this makes you want to do an electric conversion on the 280z
Strange seeing you here ! Dont you have a 280Z to finish? Lol, nice to see you supporting other channels !
Ronald, jumping in.... Nice to see you Sir!
Soooo close. I can feel it!
Isn’t that a bad sign when it comes to electricity 🧐
didn't feel like doing it right the first time huh
Sorry for the delay my friend. Those nasty electrical gremlins are tough to get out!
Change VECU once, AC grounding and DC grounding should not mix,check all wiring continuity
@@aksks371 Actually they should be connected and at same the same potential, but there should not be much current from AC ground/return to DC ground.
Just like the AC current should all be on the AC power & return lines and almost zero on the ground line, that's why the GFI interrupts the hot line if the ground gets any current.
As a Network Engineer, I can't emphasize how similar the troubleshooting process is from industry to industry. I love these videos and the process of getting from one road block to another (different) road block is always a step forward, despite the fact that the issue still persists.
Thanks for the comment!
they sad electric cars are simple and reliable well I dont think my mechanic could fix one of these
@@Chris-hw4mq It's not about fixing, it's about building. Once it's built properly, it's much more reliable than old fuel cars.
At 12:27 it Rx but there’s no Tx !!!
@@Chris-hw4mq Your mechanic isn't building one from the ground up. There is a reason that every industry from aerospace down to cars pays system integrators pretty damn well. Its a challenging process in development.
I love this series. I'm amazed by the complexity of EV's.
Thanks for the comment!
I still feel that's a negative. The right to repair movement ought to have issues with EVs... Death is only a slip away from those battery packs... and yet they all use petroleum based products in their construction and use. I'll stick with existing fuel systems, simply do to the fact if something breaks on an EV's powertrain, I can't fix it.
@@monkeybarmonkeyman Well not that fuel powered cars are easy, engines are really complicated and need just a slight problem to potentially destroy the whole engine
@@monkeybarmonkeyman Probably the same has been said when people switched from horses to cars…
i dunno know if EVs in general are complex or if it's just this one. ebikes don't seem that complex so why couldn't you also make simple electric car?
Your patience with this is incredible. I really appreciate watching your strive to get this thing charging, and thanks for sharing your journey!
Thank you very much!
The first person that comes to mind that might have a couple ideas on how to help is Justin Miller, you can look him up. He was my professor up at BYU-I. He's an incredibly smart guy. He taught all of the automotive electrical courses I took. I'd imagine he would be happy to help and might even make a video for his students.
I know when troubleshooting, you go so far down the rabbit hole, you feel like you'll never get out. Keep up the great work! We know you'll figure it out!
Thanks Friend!
thats why i like how he goes back to simple and smaller tasks and maybe decides to randomly check on potentially unrelated things. it breaks things up and helps spot other potential issues which at times may or may not end up being relaient to the main issue.
I can’t wait for more of this series. I’m sure it isn’t the most fun on your end, but I’m the weirdo who loves good challenges like these. It’s been mentioned already with the similarities to networking and IT - and I can’t help but say my golden phrase. “Test your logs, log your tests, test your tests, and log your logs.” As a data nerd, it’s my slightly biased opinion that in scenarios like these, you can never have enough documentation and data around every little component. Especially with the task of marrying multiple independent systems. Good luck and keep ‘em coming!!
Thanks Friend!
As far as data goes, it's the same in healthcare. Whether it's the care of a patient, utilizing equipment, or building out the documentation system (patient charts), the more info you have the better.
Here Maybe some tips with the CAN-Bus, because I do a lot at work with it I had a lot of issues that i know.
- The wiring should be in one line and should not have any stubs. Yes I know the specification allows to have stubs, but in my experience they often make more trouble than anything else. If you need a stub, try staying below 1m. For debugging purposes like PCAN you can allways have longer stubs, as long as you are only reading and not sending anything on the bus over it.
- You should also look at the maximum wire length, I recommend staying under 40m.
- When CAN-High or CAN-Low on any slave isn't connected properly it can happen that when the can load is low that it works fine and as soon as the load goes higher error telegrams might appear
- You can see error telegrams with the PCAN software when you go under trace > rightclick where the messages are > Enable "Log Error Frames" & "Log Error Counter Changes". You can also disable the other ones, so it's easier to see the error frames when there are not thousands of messages
- The Termination Resistors (120Ohm) should allways be at the end not somewhere in between.
- When everything is off you can check the Termination Resistors by measuring between CAN-High and CAN-Low wire the Ohm. It should be around 60. (120Ohm>1Resistor, 60Ohm>2Resistor, 40Ohm>3Resistors, ...)
- There should only be one CAN-Master in the system otherways they can interfier with each other.
- In my experience twisted pair isn't really needed mostly we use just flat cables.
- It could also be that the BUS is overloaded, this is the only thing, that you can't test with the USB-to-CAN from PEAK. For that you would need the PCAN-Diag 2 or for vehicle purposes PCAN-Diag FD with the J1939 Add-in. With those devices you can see the CAN-High/CAN-Low Voltage levels, how many error frames, how the load is in a bar chart, oscilloscope for the signals, etc.
- When on a slave CAN-HIgh/CAN-Low is swapped or has any issues then the slave automatically disables it's transceiver. So it doesn't interfier with the others in the bus.
- So all in all if there are no error frames on the CAN-Bus and it's never overloaded, then there aren't any issues with the wiring.
Just mentioned the resistors. I really think these are causing communication problems and may solve the whole issue. 1-wire devices have a resistor between comm wire and positive at every device otherwise they won’t be seen. Does this system have a central unit for canbus comms?
@@rancillinmontgomery2480 CAN-Bus only has a resistor on the end of the wiring, so it eliminates the signals and no reflection appears. The resistors there are between CAN-High and CAN-Low. In between there can be up to 30 devices then you would need something like a CAN-Repeater to improve the signals again.
@@Silent3241 there needs to be 2 correct, one at each end? Could the error message CAN Heavy be from the absence of the resistors?
@@rancillinmontgomery2480 Yes one at each end. In my experience CAN Heavy can come when you start the individual participants on the CAN-Bus, but mostly goes away by itself. I only noticed it now that it stays, when there are messages incomming. So it could be the resistors, but I would focus way more on the baud rate of the individual participants, because when there is a mismatch then there will be errors on the bus and one of the participants will shut of their transceiver, so the rest can communicate.
This is why i wrote "- You can see error telegrams with the PCAN software when you go under trace > rightclick where the messages are > Enable "Log Error Frames" & "Log Error Counter Changes". You can also disable the other ones, so it's easier to see the error frames when there are not thousands of messages" in the first comment.
But it seems like our discussion doesn't help very much because @ElectricSuperCar doesn't our conversation.
It's funny because when Zack built this he seemed very confident and knowledgeable, you had this kind of feeling like the whole humvee will be very well built.
Aaaand there we are so many errors, oh Zack!
Zack is very knowledgeable about mounting things with laser-cut brackets... and that's about it. It's sheer luck that the vehicle actually drove.
@@brianb-p6586 I assume that hooking a battery up to a speed controller and a motor is pretty easy as long as you don't kill yourself. Getting everything to talk to everything else is a whole different challenge.
@@TimCortesi It's especially difficult if you don't plan anything and don't even understand it, just plugging cables together with no idea what they do.
@@brianb-p6586 I imagine that there are kits out there which would allow somebody to do this stuff without having any idea what they were doing. Certainly that exists for things like quadcopters, electric skateboards and bicycles. I expect that that approach could be scaled up to the car size. If you want to go it your own though, you really need to understand this stuff at a higher level.
@Tim Cortesi you would hope so, and some suppliers claim that their kits work that way, but buyer's experiences are often not good.
Love watching the diagnosis and systematic repair.
Thanks for the comment!
@@ElectricSuperCar this channel is actually awesome
This whole project is teaching me one thing, electricity is complicated.
The fact that nothing is going to plan is making this a much more engaging and educational series. Absolutely loving it!
Definitely learning a lot!
You mean software is complicated ;-)
At some point a unit will be so complex you can't repair, troubleshoot it.
You saw those system data reports all come out in Chinese.
The problem could be as stupid as a language or script setting in the software of one of the components.
A character or processor limit...
When nobody is familiar with marrying these systems nobody will be able to help either. You're in nomansland.
This is why large companies manufacture everything in-house and try to standardise things accross industries.
Unless they can be referenced you end up with enormous heaps of scrap just because fixing, troubleshooting is impossible for anyone but the designers of the products.
@@zteaxon7787 Eh, I don't know about that for this case. All of these components do conform to applicable standards. It's a matter of careful review and integration of spec sheets. Enter the need for a roboticist.
It’s so interesting to see the troubleshooting process and how far this project has come! I’m looking forward to finally seeing the car up and running, keep up the good work and thanks for sharing it!
Thanks Friend!
Appreciate the updates. Thanks for showing us your process to break down the analysis and repairs into understandable parts. It's easy to see how much time and effort you're putting into this.
Thanks Friend!
One HELL of an effort! Absolutely loving the videos the problems and troubleshooting are creating.
Much appreciated!
This 17 minutes are moving way too fast!
Very interesting video again, I hope to see it working next episode (fingers crossed)
I hope so too!
yea for sure
Thank you for providing content on this project. I loved what JRE was going with the Hummer, and I love seeing you hold the torch on this. Amazing stuff 👍🏻
Thanks for the comment!
I'm honestly really impressed you've responded to so many comments! Although, I'm even more impressed how quickly you are troubleshooting and solving problems!
Thanks Friend!
You have been doing such an amazing job working out the problems . Keep up the great job and look forward to watching you fix it.
Thanks Friend!
Your efforts are greatly appreciated. I know you will eventually get this solved. Thanks for the update.
Thanks Friend!
I love this project. Keep up the good work - you’ll get it eventually!
Fingers crossed!
Love this series! Great work Sir!
Glad you enjoy it!
Thanks for the update, cannot wait to see this one drive. Cheers
Thanks Friend!
man these vids really show how much troubleshooting goes into this kind of stuff, solid update vid man
Thanks Friend!
So much more complicated than one could imagine. Thanks for sharing.
You're very welcome
You're awesome, we're rooting for the both of you. This project is AMAZING!!
Thank you so much!
Dang so much work. Appreciate the update. Good luck figuring out all the issues.
Thanks Friend!
Awesome.Thanks for sharing and taking us along
You bet
Awesome troubleshooting! Hope Zack is paying you good for all the repair work and testing!
I should probably pay him for taking so long
@@ElectricSuperCar I know you're joking. But still, don't tell yourself that. You'll get there in the end. And the anticipation will just make it all the more worth it for you and for Zack.
Ah right. I was wondering if this was that same hummer or a different one.
keep it up! you will win your game of EV wack a mole eventually! I love watching troubleshooting videos and seeing how others tackle problems.
Thanks Friend!
Hats off to your patience and perseverance. You are close to the prize. Sending you positive vibes. 👍
Thank you so much!
Wow, getting this vehicle fixed has been A LOT of work! Please keep up the great videos.
Thanks, will do!
As you find more issues and solve them, that should mean that fewer issues remain that cause problems. lol.
Seriously, I enjoy watching you talk us through the different problems and their solutions. You make me feel like I (almost) know what you are talking about.
I have you fooled! 😜
I don't know what I am doing
I love your videos on this car! They're interesting to watch and it's fun to learn how complex everything is!
Glad you like them!
I really like your video presentation. It's simple and clean and straight to the point, very informative and sort of easy to understand lol
Thanks Friend!
Congratulations on your recent viewership numbers! Its awesome to see your channel grow.
Thank you so much 😀
I love how you try and try without hesitation . I'm just wondering how and when you learned all of this . I definitely wanna watch some Q&A about this channel .
Ya, I just tend to jump in. Learned by doing I guess
Just learn as you go, then show someone (that will cause you to learn more) then learn something more. This is the EVSE interface with Pilot and Proximity and AC power and high voltage DC fuses and CAN data representing measured values --- SO many aspects of electrical engineering!
I can mostly agree with your methodology. However can’t help but notice that you rewired the plug and fried the wall charger, and the onboard controller immediately after. I’m curious about that. I’d verify that should be ground or whatever it was, then verify it’s only ground meaning the previous wiring didnt use that pin to power another circuit or something that could lead to everything being shorted. But of luck.
As a test engineer I 100% can relate to the pain of blind diagnostics.
Thanks for the tips!
so interesting. Thanks your efforts in putting this on film. looking forward to seeing what is next
Many thanks!
Very good to see update hopefully you get it figured out. Lots of good content, here because of Zack but really enjoying all your content as well. Good luck!!!
Thanks Friend!
Man, Zach is gonna owe you big time. I don't know a thing about this stuff but watching you figure this out is fascinating...
Thanks Friend!
I know how frustrating debugging can be but I love the dopamine rush that I get once is debug and resolve the issue. Hope you will be able to resolve it soon
I hope so! 🤞
it's a big investigation!
Thank you for the troubleshooting process
Good luck for the future !
Thanks Friend!
Thank you for the update.
You bet
Great work this far! Don't give up... I would love a full run down video after you get this 100% working! Also, for those who might be following in your footsteps, can you dump this code to Git?
Sounds like a plan!
Although most of your video's go above my head I really like the fight between you and the hummer Nice one
Glad to hear it!
You are getting there slowly but surely, keep up the good work.
Thanks, will do!
Can watch you guys do this all day 👍
Thought it wasn't any hard issue, but am enjoying the progress
Thanks 👍
Make sure that pin 3 (charge power) in the Orion bms, has 12v+ when the charger is connected, otherwise the bms will not command the charger to turn on. I paused one of your screen shots and it said it was off when it should be on. hope that helps.
Thanks for the comment Nick!
I feel like with your address conflict issues you need to disconnect everything. Start with just two systems on the CAN bus like the bms and controller, get the can addresses fixed and see if it charges. Then start adding in one system at a time. Maybe it's time for a excel sheet with every system and all its CAN address' and which ones can be reprogrammed etc.
You are probably right
just what I was thinking
Keep on troubleshooting you are almost there. Plus what you are learning will serve you in the future. Great videos.
Thanks, will do!
Thanks for sharing your progress! Never give up! Never surrender
Absolutely!!
CANoe or CANalyzer would be really helpful to analyze your can issues.
Will check it out. Thanks for the comment!
@@ElectricSuperCar but I gotta warn you. It's pretty expensive to say the least.
Good luck with this. You should keep track of how many hours you've sunk into this so far.
Yikes! I may not want to know
Loving the progress, keep up the good work😃
Thanks, will do!
Love your persistence, think I would have ripped the lot out and started again by now. Keep up the good work.
I know what you mean!
When is the new video
Tomorrow!
Thanks for the update!
Any time!
Every time I watch these video updates, I wish they were longer!
At first i was too bored with explanation and been excited for the EV to charge but now i am learning from the explanations, thanks Electric Supercar
Great to hear!
Keep it up! Thanks for the update!
Thanks, will do!
Love these videos. I’m studying electrical engineering so this sort of thing is fascinating to me!
Glad you enjoy it!
The patience level is amazing !!
Thanks Friend!
I wouldn't know the first thing to test if I were wiring a car like this. Being able to wire an electric car is a very unique skillset. Wishing you the best in getting to the bottom of whatever the issue is here.
Thanks Rick!
You my friend have the patience of Job. Very good videos, very instructive and concise. Good luck, you deserve some.
Thank you very much!
This project is starting to look so overwhelming. You are a patient man, can’t wait to see it finished. Good luck!
Thanks Friend!
Great content! Getting closer, thanks
Thanks for watching!
WE appreciate the updates and videos.
Thanks Friend!
Thanks for the update. Best wishes 👍
Thanks Friend!
Once all the problems are solved and everything starts working properly, I'll start rooting for a teardown video 😁Great job by the way, figuring out issues one by one from god knows how many more are left.
Thanks for the comment!
You remain admirably calm throughout the diagnosis process - I would be swearing A LOT
Yes, my 'swear jar' is full
masters job!
This is great, awesome crossover!
Thanks!
This is more suspenseful than a thriller novel! Keep up the hard work, you will get there!
Thanks Friend!
One thing to take note of that has caught me out on the past, with can networks. Make sure that the can system at the end of the line has 120ohm termination resistors.
Thanks for the comment!
Love this series!
Thanks Friend!
Amazing content! Love the troubleshooting
Thanks Friend!
mahn this is awesome! looking for solutions without giving up!
Love the constant updates
Thanks Friend!
I can't wait to see the day when it works, I feel like we're all collectively holding our breath for it. Very much enjoying the content.
Thanks!
What a challenge ! Loving it.
Thanks for tuning in!
amazing work so far! 💪💪
Thank you 🙌
Love the vid series. Keep em coming!
Thanks! Will do!
I've been checking everyday last week, for the next vídeo, can't wait
Tomorrow!
Thats the spirit, we try we fail we learn. Keep going , I am sure that you will figure it out very soon.
Thanks Friend!
subbed yesterday, new video today, what a blessing
Welcome aboard!
Thanks for the info 🥹🥹🤗🤗🤗🤗
Any time!
This is a masterclass in the mindset you need to do systems integration. Regardless of whether its an electric hummer or a corporate IT system, we could all learn a lot from your patient, structured approach.
Thanks for the comment!
Issues like these can be super frustrating to diagnose but they help you refine your troubleshooting process and leaves you with more knowledge for the issues in the future.
Very true!
Thanks!
Thanks Jose! You're the man!
Awesome work troubleshooting this thing! Feels exactly like debugging software.
Thanks Friend!
Keep up the good work. The problem will come to light
Thanks Friend!
these things are exercises in not giving up! looking forward to seeing how it all gets solved. Because it will.
Hopefully soon! 🤞
This is incredible
Thanks Friend!
Wow - its fighting you all the way !! Small steps of progress though, thats always a good sign. You have gone backwards yet, so thats good haha! Zack will be owing you a favour big time :)
As a vehicle electric engineer I can feel the pain, great work u r almost there 😊
So close!
All I can say is that he should have got you at the start of the build. You are doing an amazing job.
Thanks Friend!
I appreciate your patience! No wonder why Zack entrusted you with this!
Thanks for the comment!
Wow great video lots of technical talk but still great.
Thanks!
I started following Zach's EV HMMWV build around 2 days after the first video was released, and I've been interested in the progress since. Thank you for continuing to share challenges and processes on the build/repair. Can you talk Zach into making sure it's labeled as an EV, in case EMS ever has to roll up on it? Responders will need to know to grab their voltage testers and high voltage electric gloves.
Thanks for the comment!
There is no reason a voltage tester would be needed if all you need to do is get the occupants' corpses out. The only time it makes a difference is if it's on fire.
@@user2C47 well, it seems to me that during ANY stage of contact with the electrified vehicle, knowing whether there is or is not a charge would be simple safety. I admit I'm just a beginner in learning about both, basic mechanics and electrical systems, and only approaching as a hobbyist, but I've been shocked before, and tend to think about how to avoid it, especially with higher voltage