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Save $$$$$ and Save "Keep Alive Memory"
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- Опубликовано: 5 авг 2022
- Save Money. Keep alive memory. How to buy car battery. No relearn needed.
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This is excellent . I appreciate any tips that help save me time and money . Once again you’re sharing the most exclusive and practical information in the automotive repair genre on RUclips ! 🎯
WOW... 🙂 Thank you very much for that awesome comment. Also thank you for the views.
I suggest grabbing one of those keep alive things that plug into the OBD port. I hook it to my jumper pack for power. Was a life changer keeping all the electronics in my vehicle from resetting.
Thank you for the view and that suggestion. Yes that devices works well. Thank you again my You Tube friend.
Good stuff sir! Never thought about tractor supply for batteries only ever recommended them for mouse repellent. Thanks for the money saving tip!
You are Welcome Daniel and thank you for the views and the comments. All of that helps my channel grow. I don't know why I think about the time you said I seemed "Peturd" .(misspelled) I said he called me a Turd. 😀
Nice trick, just don't leave the 9V battery and the 12V battery connected at the same time for too long or it might overheat and explode. Once the 9V is connected it starts charging from the 12V, if left for over 30 min, it might start to overheat.
WOW . I did not think about that. Thank you for letting me . I wonder how is the best way to pass on the information.
Thanks, I was just wondering about that. I was going to use this trick because I was planning to install a remote battery disconnect (kill switch) but didn't want to lose all memory every time I get out of the truck.
I'm a new viewer to your channel. The information you share is very informative, especially for someone who has never worked on cars before. Keep up the good work. Guy Franks
Thank you for that Awesome comment. Also thank you for the views.
The basics are thoroughly explained-nice!
Thank you for the view and that nice comment.
Awesome tutorial, gonna save your video. And certainly gonna make that memory keeper. Most batteries I change don't require that but looking forward to using. Thanks.
Thank you for that positive comment and the view. Good Luck on using the memory saver. It worked for me.
Your information was very helpful for lot of us who has no or very little knowledge about cars battery related . Also you seem very nice person and sincerely hope you to stay safe and always healthy and god bless you ...
Happy Thanksgiving The Old Mecanico Show
My teacher
PRODIGY The Old Mecanico Show
Thank you very much for sharing what you know with us. God bless you and all your family around you
PRODIGY The Old Mecanico Show
From Nick Ayivor from London England UK 🇬🇧
You are Welcome Nick Ayivor from London England for that very nice comment. May God bless you and your family also. Nes shows coming soon.
Great information. I can create those lead wires. Thanks for the excellent Tractor Supply battery tip.
You are Welcome and thank you for the view and that positive comment.
Love your teaching!
Thank you very much and thank you for the view and that awesome comment.
Great information. Got tips from you the other "guys" didn't include. Keep up the good work! Ron
Nice trick with a 9V battery to keep the settings of the car! Thank you!
You are Welcome and Thank You for that nice comment and view.
Great information. Thank you!
You are Welcome and thank you for the view and that nice comment.
Awesome Big Boss teacher....man wish u was back at Del Mar😔😔😔
I sure wish I was close to your area You Are a Wise Mechanic.
WOW...! Thank you for that awesome comment and the views.
Don't know what happened but thought I was subscribe but now I am subscribe. Last video I watched he was working on the family truck I believe it was an early fifties pick up and wondered if you can add a PCV valve to an older vehicle that would be a good video to make. I look forward for more videos.
¡Gran video! 🌟 Gracias a tus consejos, estoy ahorrando $$$ y cuidando la memoria de mi dispositivo. ¡Sigue así, nos ayudas mucho! 👍💡
You are Welcome and thank you for the views and that positive comment.
Thanks you Sir, I learned something from you today. Never occurred to me to save the memory. Reprogramming was always a pain.
You are Welcome and thank you for the views and that positive comment.
Thank you. Awesome video. Bless you.
You are so welcome
Learned alot from this video ty very good learning process.
Awesome...!
Thank you for the view and that nice comment.
One really good video.
Thank you, I didn't know about this neet trick! It's about time to get a new battery in my RAV4 so it will come in handy!!
PERFECTION at it's Finest, exept that it might be preferable to use a 12 volt source, maybe even from your jump starter👍
WOW ! Thank you very much for that very faltering compliment. I used the 9 volt battery for two reasons: Most people have or can get a 9 volt battery, and also the store bought memory savers use a 9 volt battery. Thank you for the views and the comments.
12 volts isn't preferable though. 9v works every time.
Thank you mr. Professor. Very interesting and simple idea how to save some time and maybe money.
You are Welcome and Thank you for that positive comment and the view.
@@theoldmecanicoshow9004 please, I want to ask, its possible to use some battery from battery powered tool ?
For example I have M12 battery from milwaukee tool.
Can I use also this ?
And is there important to know how much Wh is a battery capable to give ? Or there is so small Wh consumption that doesnt matter ?
@@razdva402 thank you for the view and the question. If the Milwaukee M12 is 12 volts, yes you can use it to keep alive memory.
@@theoldmecanicoshow9004 yes it is. M12 is 12V M18 is 18.
I ve heard from my friend that he destroyed some electronic components in a car, by charging a car with 24V car charger. So of course, I ll not exceed limit,,, approx 14.5V which can normally running alternator create. Thank you for your time.
@@razdva402 Yes...18 or 24 volts will damage electronic devices on your vehicle.
Like your videos 📹
Thanks for information for 9 V battery to keep my setting from North of Ireland
You are Welcome and Thank You North of Ireland for the view and that nice comment.
If you are quick about removing the battery terminals and reattaching them to the new battery, you won't lose KAM. Thee's enough charge in the caps to keep it stored for about a minute. That's why on certain procedures listed in a vehicles workshop manual, they have you touch the battery terminals together, and hold them that way for a few seconds. Doing that dissipates any stored electricity in the circuit.
On modern cars, its more important to reset the bms when you change the battery.
Thank you for that information, the comment, and the view. Yes I know about touching the leads together to help clear memory. Thanks again.
wait so you pull out the old battery and have the 2 terminals both positive and negative touching each other to hold the memory?
@@asianstud7 No. Its just the opposite. After you remove the battery, touching the 2 terminal ends together will dissipate whatever electricity is left in the system. You should also be able to clear out KAM with your scan tool. If you don't want to clear the KAN, you can get a cable that plugs into the OBD2 port inside the vehicle, and the other end goes into a jump pack or battery.
Keep in mind, what I'm telling you here is in general. It should work on most cars. Sometimes you'll come across an odd vehicle that may be set up differently, and you'll need to use a different procedure.
If you have access to a service like All Data or you have the workshop manual for the vehicle, this type of information will be in it. You'll get the exact procedure for the vehicle.
Nope, "almost" no vehicles have sufficient capacitance to last a minute. Most can't for as little as ten seconds, and I do mean even if you are certain that you are not opening any doors or anything else that would wake the vehicle up into a higher power state.
However your post brings up an interesting possibility, that instead of a battery, a keep alive box suitable for a minute or two could be constructed of just a supercapacitor, along with a resistor in series to not blow the OBD2 port fuse while the cap is charging, then a schottky diode in parallel to the resistor so the cap isn't discharging through the resistor and causing excessive voltage droop to keep memory alive.
This tutorial is the best overall that I've seen 👍 Will change my 12 V next week.
Glad to help. One thing that one of the viewers comment said that is important. You should have all your tools ready to use. As soon as you connect the 9 volt battery, disconnect the 12 volt. Do Not leave to long (more than 2 minutes) . If the 9 volt is exposed to 12 volts too long, the 9 volt might get hot and catch fire. I got the idea from the story bought memory saver that uses a 9 volt battery. The store bought probably has some think of voltage reducer to prevent that.
Very informative information. Thank you Sir
Great teacher! Wish all were like you.
Now I need to try to figure out why my 2007 Acura MDX nav and radio won't hold their memory code. : (
You sir have skills and standards that are lacking in today’s world.
WOW. Thank you for those very kind words.
Great description of how to remove and install and save the memory. Nice job.
Thank you for the views and that nice comment.
Thanks for the info.
You are Welcome, and thank you for the view.
Great video 📹 thank you 😊
Thank you for the comment and the view.
probably keep the alarm from going off also, and bluetooth connection for my phone... And why not connect the alligator clips to the battery cable itself? Probably cause you risk it moving and falling off... But I have aftermarket battery terminals that have a lot of places to clip on so maybe that will work. Thanks!
For all that time the 9V battery was connected, I was expecting it to explode. IMPORTANT! Don't try this with an alkaline battery; minimize the amount of time both batteries are connected.
My Toyota solara 2006 is misfiring and I just replaced the battery could that be why?
Great job
Hi. Ive taken a dead battery out of my 2016 boxster 981. Was unable to maintain 12volts during the removal as all was dead. New battery on the way. What do i do to avoid issues with the electronics when installing the new battery ?
Thank you for your efforts . Sir🍻
You are Welcome and thank you for the view and that nice comment.
Thanks for the tip. Can i also use a 12 V drill battery plug in the cigarette lighter?
Cigarette lighter can be used but, sometimes the connection may not be as secure and dependable as the direct jumping of the hot and grd under the hood. Yes a 12 volt drill battery can be used.
Thank you for the view and the question.
Break a Leg / Good Luck.
I'll try it next time. Gracias
I went shopping for a new battery for my Ford Escape. First stop was O'Rileys. $180.00. Next was WalMart. $118.00. Finally Costco $99.00. OK, someone must be selling me a good, better best battery, right? So after some research I come to find out in 2023 all those old name manufacturers have been bought up and consolidated into just a few actual manufacturers in the USA. And most of those are downstream of two or three larger corporations. In the end no matter which brand you buy they all pretty much come from the same sources, and with almost the same 2 or maybe 3 year warranty. Turns out no matter which one you buy you could be getting a good run of them or a not so good run of them - from the same manufacturer. The days of name brand high quality or just a battery are gone. You end up with almost the same thing no matter the price.
Yes, yes, and yes. You are correct on all the information you stated. Thank you for the view and that information.
Yes and no. Often it is just as you stated, but other times, it is indeed a case of a different tier of battery. The key is looking at the CCA rating, for same battery form factor of course. However Walmart in particular can vary a bit in battery prices in nonsensical ways, for example they (at least until recent price rises) had a great price for their group 65, but then had smaller battery groups of same tier and Everstart Maxx brand, that are smaller and cheaper to make, and not uncommon sizes at all, yet inexplicably priced higher.
In general, Costo and Walmart are the two cheapest places to get a battery in the US.
are the obd ones vs this method better or the same? also will obd ones work with 6v
wow that toyota battery did not last very long manufacture date 7/19. My stock battery is 13 years old although its due for replacement now. Not sure which battery honda uses but it certainly has lasted.
Thank you for that information and thank you for view. I live in south Texas. It get's HOT during the summer. Extreme heat and cold shortens the life of batteries. Where do you live ?
Im in the northeast here we have sub zero weather.
Thanks
Thank you for the view and the comment.
Im looking for a permanent solution so i can use a car stereo at home using a PC power supply
Thank you for the view and the comment.
You don't want 12 volts going across a 9-volt battery. You need to fit a diode to block it.
Thank you for the view and that information. I got the idea from a store-bought memory saver that used the 9 Volt battery. I bet it had that diode you are referring to. You are the second person to warn me about applying 12 volts to a 9 Volt battery. I will have to do something to the video or delete it to avoid people having problems. What would happen if 12 volts were applied to 9 volts for an hour or more? Would it catch fire, or would it explode? Thank you again very.
@@theoldmecanicoshow9004 It is unlikely that the 9V battery would last for an hour or more, would probably vent gas and corrosive electrolyte within the first few minutes.
However, leaving it connected for only long enough to immediately unplug it once the vehicle battery is installed, you'd probably be okay, but I wouldn't dilly dally about disconnecting it because it doesn't take much to overcharge a little 9V.
your voice is so simular to nick noltes!
what a boss
Thank you for the comment and the view.
I didn't know about saving the memory. How can I get it back
Thank you for the view and the question. You can save memory but once it is gone, you can not get it back.
Does this have to be done for vehicles built in the 80’s?
Thank you for the view and the question. Keep alive memory started in 1996 with the introduction of OBD II. Before that, the only reason to do it was to save the radio stations.
@@theoldmecanicoshow9004 What? No. Keep alive memory was used during OBD1 era, certainly back into at least the mid to late '80s. The general rule is if it has a carb, and I mean a real carb, not a hybrid throttle body injection, then only the radio memory is at stake.
You bought a battery with a 2 yr warranty over the other one that had 7 yr warranty.
Maybe, but check up on their warranty statements today, because many sellers have reduced their warranty period in the last few years. Personally, I'd want at least a 2 yr warranty, but wouldn't pay more than 10%/yr to increase the warranty more than that, and often not even that much except that some modern vehicles have fairly small batteries compared to their predecessors of similar vehicle size. They get away with it because the engine is smaller but the total electrical load is as high as ever.
Also there is a catch on that longer warranty. It is pro-rated, so after the initial free replacement period, not only are you paying pro-rated on the % of that period you've already used, but also that discount applies to the much higher price of the replacement battery.
So for example, if you have a $100 battery that lasts 4.5 years, and would replace with same with no warranty remaining, then your cost per year is $100/4.5 = $22/yr. Now if you have the $180 battery fail at same 4.5 yrs, then you get 7 yrs - 4.5 yrs = 2.5 yrs remaining, so 2.5/7 = 3.6 or 36% off the replacement battery. 64% still has to be paid for the replacement battery so 0.64 x $180 = $115, which over that 4.5 yr lifespan is $26/yr, a higher cost per year.
However something I liked, at least until covid caused walmart to reduce their hours to less than 24/7, was that I could go to a walmart at any time of day or night and get a battery. Even if the automotive dept. was closed for the night, the battery rack was still accessible and I could pull the battery I needed off the rack and bring it to, buy it from the checkout lanes at the front of the store. They just scanned the bar code, same as anything else. However the front lanes may not be able to issue a core return refund.