Which battery terminal to disconnect first, connect first?
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- เผยแพร่เมื่อ 6 ก.ย. 2024
- WHICH BATTERY TERMINAL TO DISCONNECT FIRST | CONNECT FIRST
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Hey guys, here is a video that we made on which battery post to disconnect first and which battery post to connect first. We did not pay much attention and we burnt the abs module on a BMW because we disconnected them the wrong way and we touched the positive terminal to the body of the car. Since then we learnt our lesson. It is very important to disconnect and connect the battery terminals in the correct order you you might fry some computers in your car.
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Thank you for the video. I have replaced so many batteries myself but for some reason every time I go to remove it and then reinstall one I always forget which order comes first.
The funny part about that is, I can never remember the order on that, but I can change my husbands spark plugs, wires and coils. Lol!
Also, an easy way to remember it is ....think "alphabetical order".
A,B,C,D,.....L, M, N, O, P, Q....
N comes before P, therefore
(N)egative comes before
(P)ositive. 😃
God bless you all.
One thing not mentioned is when connecting the battery back up after attaching the positive cable, you will see a small spark when connecting the negative cable but it is normal and nothing to worry about.
This is why I’m here
Thank you for the helpful videos. When jumping a car, I use the same sequence. I first connect the positive jumper cable to the positive terminal of the battery and then connect the negative cable (to a metal part on the metal car chassis, not the negative battery terminal). When I remove the jumper cable, I remove the negative cable first, then remove the positive cable last.
Remove : negative 1st, positive 2nd.
Connecting battery back on: positive 1st, negative 2nd
How I remember: Removing clamps means (N)o Power = (N)egative first. Replacing clamps is (P)ower back oN = (P)ositive back first.
Black before Red, or end up dead; Red before Black to get back on track.
Yeah that's a good one too. The way I was taught is similar: take away power is minus (negative), add power is addition (positive).
What happens if I put on the negative first and then the positive?
@@janessaharrisgyThen you risk shorting the battery. Since the negative is connected to the metal frame of the car, and if you touch the frame with anything metal (say a wrench), you complete a circuit with no load and short it
@@Anonymous51701 Thank you
I like connecting both at the same time, barefoot, standing in a half tank of water... nothing will shock u about life going forward...
🤣🤣🤣🤣
Oh I like to see👀 you doing that🤪🤪😬😬😱😱
😂😂😂😂
Don’t forget to gargle some gasoline, so if you see any sparks you can spit on it 😂
Haha you are not helping.
Love it. Straight to the point and quick, good explanation. Very helpful-- very quickly! 👏 👏 👏 👏 👏 Y'all deserve an Oscar for that! 🤣 🤣 🤣
Too late for me I guess I burn 🔥 some thing no light in dashboard or in LCD
Don’t have a watch or any jewelry when you fix a car because because you can shock yourself if you touch electric current under the engine.
Yes but it's ok he's Russian so they already have enough shocking things in their lives!!
@@tonytrilex2555 🤣
Thank you
He's right on 1st off last on being neg but ,wro g on "power " terminal. Both neg side and pos side flow current ,flow is from neg to pos ,pos pulls current not emits it
Remove negative then remove positive
Then replace positive followed by negative.
Do not allow terminals to touch metal when they are disconnected.
I wrapped mine in plastic wrap and rubber banded them till I could get replacement batterie , to keep from sparking.
Thank you for your excellent video and especially for explaining the reasons.
Thanks Guys for the tip. I v been having that problem, I always remove the positive first before negative. And once I fix it back, the car engine will be vibrating once I start it.
Thanks once more
hi if i charge the battery using battery charger without disconnecting the battery, where should i put the negative?
Yeah, did the negative first and then positive during install. Three blown fuses later and don't know yet if the computer's fried 😬
I love it straight to the point , perfect!!!!
Does this apply to connect power wires to a subwoofer amplifier?
thank you very much auto repair guys straight to the point its been a while and I forgot I wanted to make sure I didn't damage myself or the vehicle so I wanted to confirm what I thought thank you again
Hi brother, do you have video tutorial for the Transmission stuck in PARK(P)My car is mazda cx7 thank you
Thanks. I have a 2000 Mitsubishi Diamante. What should I be concerned about if I disconnect the battery and leave it disconnected for at least a few months.
Mice
If your car is active without the battery this could be troubling, you may have a Transformer. So if your car starts hitting on your girlfriend be cautious. If your car is out late at night fighting decepticons please beware.
Good evening sir hope your day is going well! I have an INNOVA 3300 and wanted to set it on DC10A to then proceed using red and black leads to probe pin 30 & 87 on starter relay to crank the 2003 DODGE CARAVAN SE. Is it possible for me to do that? Cause I'm on my own and I have nobody to crank the vehicle for me. I purchased a 12v remote starter switch from harbor freight and using it the first time it broke on me. I don't have a jumper wire and I don't have a fused jumper wire either all I have is the INNOVA 3300.
I did this exact order, but then I connect my negative last, I still get sparks. What am I doing wrong? Is it cause I have a couple of amps and an upgrade audio system?
It's totally normal.
Thanks man!
THANK YOU FOR THE PRECISE INFORAMTION ABOUT HOW TO CONNECT AND DISCONNECT BATTERY
I disconnected the positive first should I reconnect it or remove the negative then reconnect the positive
If you mistakenly removed the positive first, go ahead and remove the negative before going any further. This will get you to where you need to be (Negative removed). Then, when you reconnect the battery, connect the positive first (negative is still not connected). Once the positive is connected, it's safe to connect the negative cable last.
все врано, главное чтобы не искрить контактом долго и не замкнуть плюс на корпус автомобиля инструментом. А в какой последовательности присоединять и отсоединять, все равно! Кто будет спорить, езжайте в Россию, вас там научат в школе 🙂
Highly Appreciated
Muhammad Atta Ur Rehman Advocate LAHORE Pakistan
Lol 😅 I had a gut feeling, that I’d better check yt before remowing my boat bats… close one 😅😅😅
Thank You! You really helped me a lot!!
What will happen if the positive terminal disconnects while driving?
so step 1 remove negative which is the black step 2 which is red remove the when putting back on put positive which is red on first then black ok thank you for letting us know awesomeness
Basically, ground can never be connected by itself. Only positive can be connected by itself.
Simple and helpful! Thank you
thank you, great help.
Mike Mike Mike ….. you do have a hellcat and she sitting next to you !!!!! press the eject button and launch her out of your car !!!
I accidentally touched my wrench to the negative side when tightening the positive, just a small spark, everything looks fine, but can something be wrong?
If you didn't find a problem after doing it you are most likely fine. Just learn from it and disconnect the negative first and eliminate the potential for damage.
Good job, thank you.
TY
Hi, everytime im going on holiday the battery goes down. I have been told to disconnect the negative cable and when im back i connect it again and it starts again
Does it work ?
Why does it only go down when on holiday?
battery will lose charge if you are not using it, just re charge it
Thank you🎉
Thank you so much I keep forgetting which one you disconnect first
Me too!!!😳
Great video. Thanks
I put negative on first then positive now my car wont start it just cranks over
Good tip!
Great video 😊👍🏻
Can you ruin the tcm of the car also?
Thanks!👍
Thanks..
Thanks alot dear
Negative first
What goes first: positive on-negative off.
Thank you,
Thank you !
Great video😎😎😎
Thanks
Thank u brother
What'd it cost?
THX
Removing:
Negative (-) first
Positive (+) second
Back on:
Positive (+) first
Negative (-) Second
But this doesn’t make sense as to why you would disconnect the negative first. As I remember back in the good old school days, if you want to stop power going into things you would unplug the power source at which its drawing power from. Like a light bulb to a lamp socket, would you unplug it from the wall or loosen it from the socket. Or like an air compressor, would you decompress first then unplug? So it just doesn’t make sense for any battery wether car or for your mobile phone, a positive terminal will still have an active charge but it would just need to be grounded to send that charge. 🧐🤔
It's to prevent short circuit, when opening the positive first if your metal tool touches any metal car parts then short circuit happens.
I think that's why they're removing the grounding first, so the charge isn't sent/circuit isn't complete.
When the negative is connected the whole car is grounded. This means that if you are taking the positive connection off first and your metal tool touches a grounded chassis/component, you will be shocked as the power flows through your tool to ground. Bad for you and the car with modern electronics.
@@ridwan9610 Вы тупица, сэр!
@@SgfGustafsson о мой бог! где вас учили этому! в России все знают, что автор говорить глупость!
this video will teach you real technical stuff not showing much more of his face hehe Keep it Up
Thank uuuuuuu
I guess im old fashioned I remove hot first then the ground. Then I put on the ground first then the hot. I've never had a problem
Maybe, but between the two methods, you are doing it with the most likely method which will lead to electrical failure.
Been doing it the opposite way for months.. opps
👍👍👍👍👍
It's Fuse #2 in the engine compartment unless you want him babble for 5 minutes in Latvian and waste your time.
👍👏😁👍👏
But why music is that party?
Information you need is at 41 seconds. I don’t know why these people feel the need to do a long narrative every time.
That wasn’t a long narrative, it was to the point and succinct.
Whattttttt? That was quick and to the point!
They have to take a little time to explain what issue it is they’re dealing with. This is by far the most to the point instructional video I’ve seen
ЭТО ТУПОСТЬ! КАКАЯ РАЗНИЦА С КАКОЙ СТОРОНЫ РВАТЬ ЭЛЕКТРИЧЕСКУЮ ЦЕПЬ! Ты так же можешь коснуться минусом к батарее или плюсом к батарее, контакт заискрит и ЭБУ может сломаться. Ты не имеешь понятия об электричестве!
Ty guys!! Praise Jesus!
The Gospel of John, sooner than later, Reader.❤️
Yeah but with no narive ant
This guy's accent sounds horribly fake.
You sound like your fake. 🤔
@@jimh.412 🤔 How would you know how I sound? 🤔
@@Echo4Yankee By what you wrote. You don't sound very bright either. 🤷
@@jimh.412 That makes no sense. You don't sound bright at all either, but I have better things to do than waste my time commenting anymore. Have a great day buddy . 🤷
@@Echo4Yankee Whatever you say slappy!
Black sox off red sox on.
Thank you
thank you