What Happens When You Connect Positive And Negative On A Battery With A Wire

[@johnjacobo6100]

It looks like they’re in school to become mechanics.🥱 that looks like a professor giving them a safety course.

[@aditparikh781]

No shit Sherlock

[@johnjacobo6100]

@@aditparikh781i commented that artard because the other retards “if you look at the comments” don’t know that and are thinking it’s an actual mechanic shop w a customers car. You fking idiot😂🤣🤣

[@cornbread4297]

That’s a terrible safety course lmao

[@benlalime8543]

An I wonder who's vehicle it was tested on 😂😂

[@johnjacobo6100]

@@benlalime8543 most likely a shop car. When you’re training they have test equipment. Just like any other trade. If I’m in school to be an electrician; they arnt going to make me wire up a house right away. I’ll learn using my school’s equipment.

[@masmolf]

“Am I gonna die?” “No you’re not gonna die” *gets lung cancer*

[@mrmeeseeks8453]

😂

[@natpeterson8313]

😭😭😭 lmao

[@bayanicruz6319]

Haha not a good instructor 😢

[@grizzlyBear69]

Got the lung cancer and then died on the car accident while going to hospital

[@Paul_214]

Am I going to die? Listen buddy everybody dies!

[@CHUMLAR]

Customer states: battery no longer charges after bringing in truck for an oil change. 😂

[@JamesSmith-xs7sr]

Lmfao! It's probably true!

[@clapclapscream]

🤣🤣🤣 legit

[@alvinlundi7285]

Bruh!!!

[@Chiludo7]

Custer states the ECU smells like french fries

[@smokeyriver7757]

Lmfao bro. Perfect

[@southerntommygun1353]

Electrical rule #1: Every wire is a fusible link given enough current.

[@ibeturface]

Rule #2: Every person is a fusible link given enough voltage

[@alexanderfollowsChrist]

Rule #3: Rubber can be electrified if it identifies as metal

[@nateg08]

Damn I was going to say this

[@gamemeister27]

​@@alexanderfollowsChrist Rule 4: Rubber WILL identify as metal if given enough voltage

[@n3rdbug96]

Rule 5: Any electrical component can emit light at least once. Edit: at least once, not just once

[@jensonious]

I have been a mechanic for over 20 years, I can't tell you how many times I hear people call an open circuit a short circuit; they all need to see this... this is called a short circuit!!!

[@SlickArmor]

No, this is a closed circuit.

[@Wellimanewguy]

@@SlickArmorAll short circuits are closed circuits, not all closed circuits are short circuits.

[@SlickArmor]

@@Wellimanewguy I'll buy that.

[@davidleonard8369]

Yep, from negative post to positive post is the shortest circuit you can make.

[@wb3161]

In the very beginning it was a short circuit but after maybe 2 seconds it was an open circuit

[@Flyingdinosaur69]

My teacher gave us a "safety" course on batteries off gassing in my mechanics course. Exploded right in his face. Great demonstration

[@grantperkins368]

😂

[@Justin-np3ki]

Lmfao

[@bluer6420]

Everyone learned a lesson that day.

[@yayofalcom]

My dad was teaching NOT to do this with the oil stick and slipped off his hand touch both + and - and the battery blew on our face! 😅

[@anthonywilliams7052]

@@yayofalcom Did he get much battery acid on him or in the face and eyes?

[@alfredomartinez9599]

As if that 6.0 didn't have enough problems 😅

[@superstar64]

Is this actually a 6.0?

[@jtnoodle]

@@superstar64 yep. and the pcm is right under his arm. No way would I do that to mine truck.

[@superstar64]

@@jtnoodle That explains why it was in the shop then.

[@OverAndOverAndOver]

😂

[@arireid1245]

🤣🤣🤣 6.Blow

[@zacksrandomprojects9698]

Im 47 years old and have had 2 batteries explode on me in my lifetime. One was frame mounted on a big truck, and the other was under the hood in that exact location. I wasnt doing anything wrong for them to explode. I just happened to be in the wrong place at the wrong time. Having acid blown everywhere and bits of plastic shrapnel isnt fun. I have a healthy respect for batteries. Dont do this little test they're doing folks.

[@nthgth]

What makes a battery explode when you aren't doing anything wrong? They can just spontaneously blow up?

[@zacksrandomprojects9698]

@@nthgth Ive often wondered that myself. Great question. Ive wondered if it was opposite polarity plates getting together inside the battery somehow from bouncing around under the hood for 5 or 6 years or something. Or maybe the hydrogen sulfide gas inside the battery reacted with the spark of the jumper cables. One I was removing from the side of a big truck frame and it exploded after I removed the cables and unbolted the bolt down. I simply was sliding it out of its cradle on the truck frame and it exploded. The other was under the hood of my truck and I popped the hood and in the process of putting jumper cables on it the damned thing exploded. Caught me off guard and scared the hell out of me. I definitely was hooking the cables up correctly. So I was thinking maybe the hydrogen sulfide ignited from the spark of the cables picking up load. Both batteries were the old style that you have to pop the caps off the top and check the acid levels. They were not the newer sealed batteries. Anyway, I definitely wear safety glasses nowadays when messing with batteries.

[@nthgth]

@@zacksrandomprojects9698 ah I see. That would scare the crap outta me too. I guess yeah, maybe the gas escaping through the caps. I _hope_ the newer sealed ones avert this risk. Was it terrible, with acid all over the place? And your face and hands?

[@zacksrandomprojects9698]

@@nthgth Yeah for the most part the battery shells stayed intact. The caps blew off and broke a few little pieces of plastic off the shell. Acid everywhere. Didnt get in my eyes. Got on my hands and clothes. It didnt burn me. I washed off in the hose right away and gave the engine bay and inner fenderwells a washing. I wonder if the battery shell couldve gotten weak from being heated up and cooled down for years under the hood? I just thought of that. As far as the one on the truck frame, it was exposed to the elements all the time. It just had a little cradle it slipped into wish a strap that went over it to keep it in the slip. It was an old U-Haul truck with the battery mounted on the drivers side frame rail about 3 feet in front of the drivers side rear wheels.

[@ronaldschild157]

When I was about 14 years old my parents' Ford LTD station wagon had a battery that started to emit smoke and made a sizzling sound. My mom called the fire department and they came by and opened the hood and doused the battery with a CO2 extinguisher. The fire department determined the car battery basically failed and shorted internally. This was back in the days when the Sears DieHard battery was leading the market, and I think the failed battery was a DieHard. Anyway, nothing much was damaged inside the car but it could have potentially been worse because the car was inside the garage. Fortunately we were around when it happened. My dad had to purchase a new battery, of course.

[@joerobertson7047]

Technically speaking... you just demonstrated what a fusible link does

[@bryana7163]

or what it doesn't do, when its not used.

[@marktype1with2]

@@bryana7163a fuseable like is the fuse that’s why the name has the word fuse.

[@edwicks66]

Your right !

[@Bolonyman]

My thoughts exactly

[@hakeemmohamed2217]

👀

[@andrewredding3132]

All fun and games until the battery outgasses with an open flame and explodes.

[@CaltaTomas]

Well i think the cable is too thin for that. But nice joke :D

[@2Jeezuzisreal]

That's correct with a larger cable or a steel rod it could be very dangerous

[@CaltaTomas]

@@2Jeezuzisreal yes

[@mike-xb9qn]

😂 exactly what I was thinking 🤔

[@eh477]

wires too thin for that

[@TheS197King]

Remember guys ALWAYS DEEPLY INHALE while doing this😁

[@cdavidlake2]

Really? Sounds counterintuitive.

[@rbStig]

​@@cdavidlake2if you are looking to breathe in the ignited chemicals

[@blackfalcon6282]

@@cdavidlake2it guarantees a faster retirement 👍😀

[@TheFireMaker117]

Ah yes, burnt rubber, and metal fumes to coat the lungs for pollen resistant

[@gfp1464]

@@cdavidlake2You just learned that word Huh couldnt WAIT to use it next huh 😂😂😂😂🤦🏽‍♂️💯💯 That was So Lame Bra Just chill alright bro its all good man 💯🤙🏽🤠

[@VoidsDemise5443]

Is this how the ignite sound was made in minecraft? 💀

[@sjabdulaziz11]

Yeah I think so xD

[@isaac2fly4you]

I THOUGHT THE SAME THONG 😂

[@yt159-sj6hd]

Bro it's so identical

[@Dontbeafraid2]

The same thong? ​@@isaac2fly4you

[@mravocadoman2904]

CREEPER.... AW MAN

[@kelsycunningham8452]

My automotive instructor had a tatoo of a metal watch strap on his wrist. He was trying to save a few minutes and change out a starter without disconnecting the battery. You could read Speidel on his skin. Good lesson, I've never forgotten that after almost 50 years.

[@crf80fdarkdays]

That would of been something to see

[@avid6186]

Metal watch straps and rings. 2 things smart mechanics won't wear.

[@smooth_ops2942]

On a 12v system? 🤔... he would have to directly connect the + and - to his watch and hold it there for some time before it could permanently burn into his skin. 12v DC and 110v AC are completely different animals in the way they deliver power. Its hard to imagine 12v DC doing this damage in the way he said it did. I could totally be really retarded though and be wrong, so lets not count that out 😝.

[@jan-hg9vi]

A lesson in arc flash and welding all in one.

[@jameshendrickson9149]

​@@avid6186just about anybody that sticks there hand in small places or deals with electricity.

[@Frumplecock]

Only customer vehicles were harmed during the production of this film.

[@evo.raul9]

😂😂😂😂

[@FixofNicksMix]

Judging by the fact that everyone is wearing safety glasses, i think this is at a school

[@daveraymond2265]

HA HA HA😂

[@kieonwhite8179]

Schools get donations from local dealerships most of the time

[@jolting]

One of those pliers probably didn't fare too well either.

[@ibeturface]

My buddy was changing an alternator on his friends car, and the battery was in a place with no access. He decided he would not disconnect the ground, and would "just be real careful." Of course while undoing the hot terminal, he arcs it to the worst possible place. The fuel rail. It burned a hole releasing pressurized fuel which quickly became fire, as fuel often does. He tried blowing it out like a fukn candle but it kept going lol. He was lucky to only have to buy his friend a fuel rail, because it easily could have destroyed the whole car.

[@GODs_Son777]

😮😮😮

[@toddmccardle5125]

Sounds like your buddy needs to leave it to the pros lol or learn on his on stuff not someone else's lol

[@ibeturface]

@@toddmccardle5125 Actually, he is one of the best techs I know. 😂 This was back in his rookie days. We all make mistakes. The real test is if we learn from them. Needless to say, he did not make that mistake again.

[@ATruckCampbell]

​@@toddmccardle5125Learning is learning, if everyone gave up after fucking up once, no one would do anything.

[@rowdyoutdoors5397]

I’m sure he’s reminded often 😅 especially if he ever needed a KZbin guide. “You removing a control arm? Step 1: disconnect battery” 😂

[@WhodatnTx]

If you’ve ever had a battery blow up on you, you will know you are watching idiots at work……that is all

[@hs_doubbing]

The resistance on a wire that tiny is way too high to overheat a battery. What you saw there was the wire itself burning to nothing.

[@WhodatnTx]

@@hs_doubbing Sulphuric acid vapors are highly explosive! Nothing to do with overheating battery. Ive had 2 batteries explode on me and the batteries were def NOT overheated. Any spark can set them off if those vapors are present. I will say that the no maintenance batteries are better now as far as vapors.

[@a.melekh7936]

Never had it but still watching idiots at work 😂

[@JBeamGT3]

the idiot is the one with false confidence that doesn't even know what fucking Ohms and resistance means. Just an idiot that thinks a little wire can carry as much current as a wrench.

[@nthgth]

​@@WhodatnTx Aren't the batteries sealed though? How would sulfuric acid vapors be present? And would you be able to smell it if they were?

[@Juandongduck]

I like how they shorted a battery that was fully connected in the vehicle.

[@maddhatter3564]

they had to justify selling them a new ECU

[@zwenkwiel816]

yeah I was wondering what that would do to the electronics but I guess there's fuses protecting them

[@Juandongduck]

@zwenkwiel816 I don't know if it would or wouldn't do anything actually but it's definitely not wise.

[@dougse-bike9770]

Fuses don't protect electronics. Fuses protect the circuit wiring. No different than an electrical surge can destroy household electronics which are protected by circuit breakers or fuses.@@zwenkwiel816

[@AndyLutz100]

Electrician here, when you short out a power source like this the rest of the circuit only sees a drop in voltage, not a spike. So it won't likely harm the rest of the circuit(s) connected to the battery.

[@THECelrenel]

DO NOT DO THIS. Batteries may vent flammable gasses.

[@jerroww]

The plastic of the wire is causing the smoke. No battery ever would vent by doing this. Why are always the dumbest people speaking the loudest?? 🙄

[@sixpest]

DO NOT DO THIS. Don't inhale flammable gasses.

[@kyle4818]

DO THIS just toss the batteries into the ocean and lakes @@sixpest

[@dvsr5296]

Can u don't

[@zwenkwiel816]

yeah we use car batteries for electric fencing for sheep, one of my co-workers picked up the box with battery and everything in it and moved it. when he went to connect the battery there was a spark that ignited the gasses built up inside the box and the top of the battery exploded. (normally when we move it we move the box and the battery separately)

[@randyotterson741]

I used to work at a scrap yard and that would get ya fired. No smoking! All it takes is a spark in the right spot.

[@eviljesus6111]

YA FIRED

[@NicoBiturbo]

Wha? That don't make no sense, angle grinders be on the scrapyard throwing sparks literally everywhere

[@vasilybk1760]

@@NicoBiturboikr, poster is slow

[@ivanbliminse5350]

What?

[@mikerogers7502]

Exactly what I came to say. You see a car battery explode once and what happens to anyone the hot acid lands on you'll never smoke or do anything of the sort while charging a car battery.

[@TJ-qz6hr]

My 12” 3/8 drive extension approves this message.

[@julianmcmillan2867]

If you're going to do something stupid, then be smart about it🤣

[@TJ-qz6hr]

Right! Extensions don’t break like a wire, they just glow red.

[@Alex-ve1og]

The battery is definitely the best place to hold your tools though, bonus that if you need to light a ciggy you can just spark it real quick

[@tonyfremont]

When you see your DIY wiring do this, inside a vehicle, you get real serious about fuses afterwards.

[@MrLandslide84]

Yep had that happen with a temp circuit. Sucks.

[@pablop1162]

Lmao happened to me in my 65chevy had a hardwire from the battery straight to the ignition lmao burned from theback of thedash all the way to the battery 😂

[@someoneelse6641]

I had to hotwire my car because I broke my steering lock for some reason. It lit up like this in my lap when I was driving down the road. 😅 had to pull over and kick the wiring apart befor it burned my entire car out.

[@timshields4014]

It's always a great idea to have spark or flame near a battery 😂

[@frankenstone804]

exactly as a welder i have had a few battery explosion

[@xephael3485]

Hydrogen is a urban legend

[@jstefa2]

its and AGM battery... its sealed.

[@frankenstone804]

@@jstefa2 Even sealed they can leak

[@jstefa2]

@@frankenstone804 not likely. that's their whole shtick

[@jeffshadow2407]

In 1991 when I picked up my 1969 Oldsmobile Toronado from the seller in Beverly Hills, I inadvertently left the 1/2" wrench between the battery posts. It got so hot and red. I remember having my gloves on and quickly removing the tool. To this day I treasure this blackened wrench.

[@eagleone5456]

I did the same on my ranger, damn shock sent me jumping and both ends of my ratchet had a little melt

[@pizza4prezident143]

Haha yeah one time a ratchet input on the battery touched the terminals and wielded a bit. It was crazzy

[@johnnylego807]

Better times. Sometimes i wish we could go back.

[@maddhatter3564]

lucky you could remove it, ive had wrenches weld themselves to posts

[@frozengroundbeats8489]

Have you ever tried having Blackened Ranch as a side with the Blackened Wrench? you got there? On lets say a Friday night?

[@BENTAYGA2]

As a teenager, I had a job at Kmart automotive service department and was trained that batteries were very dangerous for explosive reasons

[@AlysaDunn-r6o]

they can emit hydrogen gas through the vents, which will explode if an ignition source is nearby. It's why when you connect the negative cable to the dead car (in jumpstarting) you're supposed to use a bare piece of metal inside the engine bay instead of clamping it directly to the negative post.

[@allborosnyc4544]

Nothing better than an explanation and hands on visual aid for clarity and experience.

[@darksid356]

My automotive instructor always used to get asked this and he would say the same thing every time. “It’ll fuck shit up”

[@Join0rDIE1776]

Cool story

[@DangerousFreedom88]

​@@Join0rDIE1776 don't you have better things to be doing with your time? Like fighting a corrupt and tyrannical corporate government system? And restoring our constitutional republic? By knowing your rights and defending them?

[@suntzu1409]

​@@DangerousFreedom88 don't you have better things to be doing with your time? Like fighting a corrupt and tyrannical corporate government system? And restoring our constitutional republic? By knowing your rights and defending them? Also, your biological predecessor of the fairer sex

[@raymondclass6794]

That vaporized copper is massively toxic

[@josephfrank1472]

The plastic is toxic not the copper so much.

[@arizonawatermelon123]

@@josephfrank1472bro that copper oxide is insanely toxic do some research

[@nova68cutie]

​@@josephfrank1472you may want to research that more.

[@Tigman66]

Imagine the tutor demonstrated this every term he would breathe a portion of them eachtimes

[@TCPUDPATM]

Vaporized Copper? So you think it hit 2600 degrees and just stayed there? 😂

[@johnsondadragoon8252]

Thank you for the the Upgrade help, fusion should start here ! Now I see what I wasn't even considering the whole time! Thank y'all love you all for this! 🙏🙏🙏

[@DDescalchuk57]

During my apprenticeship to become a Journeyman automotive technician we were doing short circuit diag, one of the instructors was telling us a story about one of his journeyman who was one of them old boys. He said the easiest way to locate a short in a harness instead of cutting the harness open and spending hours trying to find the short they’d pull the fuse out of the fuse panel install a paper clip and have another guy watch for the smoke to start and stop lol they then would open harness check for collateral damage and proceed to do an overlay lol . It’s amazing how quickly an improperly sized conductor lights up and melts when there’s a piss load of amps flying through it

[@jasperriley3923]

It works but creates more work.👍

[@DDescalchuk57]

@@jasperriley3923 haha ya I’d definitely not do it that way lol . Crazy what some of the old timers would do. Much easier to hook a headlight bulb in place of the fuse and start dividing the circuit up until the bulb goes out lol but to each their own

[@jasperriley3923]

I have a Honda turn signal buzzer with 2" pieces of with alligator clip soldered to it that takes the worry out as you don't have to watch the light.

[@ElectricBillAlbright]

Yeah, when a wire lights up in a wiring harness you now have major problems. The wire is like a hot knife in butter shorting and feeding power into things that power doesn't belong. The wiring harness is usually toast and most times is unavailable as a service part. So you got to make your own or get a section from a junkyard. Splicing in a wiring harness can be a nightmare because if you use solderless connectors you'll end up with a football-sized lump in the harness from all the splicing. Offsetting the connections helps. I solder and heat shrink the connections if need be.

[@DDescalchuk57]

@@ElectricBillAlbright yea it’s definitely not a great idea period. It’s obviously not something anyone should do with vehicles now a days. If a wire in a harness has a short you’re already going to have quite the repair regardless cause you dang well know that it’s not the only wire compromised. As for the repair you’re definitely going to have to do a solder repair to mitigate making the harness massive. Doing lots of swaps nowadays I’ve had my fair share of harness splicing jobs. It’s not fun

[@codyreber8370]

I've had to resort to fine magnesium wire. They don't sell flashbulbs anymore.

[@kg4boj]

Actually they aren't at all rare. You can still get new old stock and meggaflash is still making them for theater and video production uses. You can get huge ass Edison base types for about 20$ a pop and they are used in theater and stage for live shows where flashpots are not allowed or unsafe. Is there a particular type you're looking for?

[@codyreber8370]

@kg4boj yeah. That's kinda where I work. There are places that sell them but it's all former overstock. I can't always get them when I need them so I bundle fine magnesium wire.

[@kg4boj]

@@codyreber8370 you work for meggaflash?

[@everettplummer9725]

Not disconnecting the negative first, and reconnecting last, is a safety protocol, I will never forget. A science teacher touching the wrench to the frame, as he was disconnecting the positive. He was directly over it, when the lid blew off and broke his nose, covering him in H2SO4. As I turn on the hose, he kept asking what happened. Imagine explaining the science to a science teacher.

[@Tsimi1234]

You mean disconnecting negative terminal first and reconnecting negative last is the safety protocol, not "not disconnecting and reconnecting last"

[@palmtraveller2177]

@@Tsimi1234Remember ELLE - Earth Live, Live Earth Earth then live to take off, live then earth to put back on. Earth sometimes sparks (if there’s a little of a drain somewhere or improper earth straps are used) but that’s protocol. Don’t end up with acid burns to your face.

[@zulkanainbaharuddin2185]

True.

[@timothyhudson7999]

This is exactly how you weld your wedding ring to a 1/2" wrench while its still on your finger.

[@CognitiveHeatsink]

Get a rubber or silicone wedding ring then you won't have to worry about that.

[@MaxPower-ke5rq]

That sounds very specific…

[@etrcentenario9737]

​@@MaxPower-ke5rqlook up degloving. most smart mechanics will take off their rings for fear of it.

[@princetchalla2441]

Wedding rings of any kind can get caught in stuff and rip off chunks of your finger skin. Get a tattoo unless you're hoping to take it off for "fun" and future disappointment.

[@jayztoob]

These guys never saw a battery explode. They will.

[@whatthefuk4]

I was thinking the same thing. I would never recommend this

[@tbusch63]

@whatthefuk4 Fuckin' A! Depending on how close you are to it, it might be the last thing you ever see! Some people think it is a myth or a joke. Not Funny! I have seen one from 30 feet away! That was enough for me!

[@hugomartel6651]

lol its a 60amps load when you crank your car its about 5-700Amps of load, it smoke and glow, but its just a 16ga wire

[@jasperriley3923]

Not with that small gauge wire.

[@jayztoob]

@hugomartel6651 When I load-test a battery, I use a tester with leads so that I'm not on top of the battery. Usually when a battery explodes, it just blows the plastic plug off of one cell. Not deadly, but you could be blinded. Sounds like a rifle firing.

[@TheSoup222222]

tech: "no you're not gonna die" the leaking hydrogen fumes: 😳

[@visilyrom]

Probs not hydrogen. it would have ignited from the red hot wire. most likely it's the burning insulation lmao

[@TheSoup222222]

@@visilyrom i was making a joke for if the battery started off-gassing when he did it lol

[@mjhubbard14]

“ hydrogen fumes “ ? 😂😂😂😂😂😂

[@TheSoup222222]

@@mjhubbard14 yes. car batteries off-gas highly flammable hydrogen sulfide

[@avixs1543]

@@mjhubbard14 The water and the Sulfuric acid in the battery breaks down into hydrogen sulfide over time.

[@robertskelley3465]

My hobby is car audio, so naturally I end up with scrap circuit boards and batteries and components. Few years ago I would screw around in the garage after work every day, and did a ton of melting wires, blowing up caps, shorting PCBs in unique ways. Just to see what happened. I feel like that was good hands-on experience to truly understand the concepts I had already learned through reading or mentorship. I remember powering up an amplifier board and just dragging several wild strands of wire across it and watching things pop. Or similarly shorting things out and holding them until they melted everything. I was careful not to breath the smoke so much, but I probably lost some brain cells still.

[@Zhenkaaa]

Damn dude ngl thats fucking awesome lmao

[@Swampy948]

Neat trick I learned last month. Wrap that wire around a screwdriver and do that real quickly. The screwdriver is now magnetic for a bit

[@mikes9117]

Ya, but even coiled up that wire gets hot very fast. But it does a great job magnetizing it screwdriver. Now they have tools that do that.

[@WilBiw-s2t]

?

[@nthgth]

​@@WilBiw-s2t the wire coil becomes an electromagnet when the (short) circuit is made. Magnetism induces magnetism on other compatible material in range - in this case, the screwdriver. Try it with a strong fridge magnet. The screwdriver won't become as strongly magnetic as the magnet you use to induce it, but it might show some attraction to a paperclip or a tiny screw. The effect is temporary though. (Your original magnet will be unaffected)

[@morgand5004]

Sometimes I forget that not everyone has accidentally welded with a wrench.

[@maddhatter3564]

ya , the slackers..

[@realjoshuaW]

My dad always told me from since I was a kid to never rest no tools on the battery. I only understood years later working with my friend on his mustang. Glowing wrench🤤

[@dougsharpbest9576]

Or a ring on your damn finger ! Guilty of that. Hahah

[@youaregoingtolovethis]

If you use short wrenches or short ratchets that can't bridge the space between the two battery posts it can never happen. Stop using long ass wrenches or long ass ratchets that can bridge the gap. No more worries about accidental slippage and accidental contact ever again.

[@andre49ers]

​@@youaregoingtolovethisstill have to worry about hitting the + and part of the car

[@remingtonteegarden3392]

That's crazy they're doing it with the truck hooked up to the battery

[@draileduncommon]

My thoughts also but at least it will answer the what would happen if------?

[@alberta3157]

nah not really, truck is fine even it were on ,would have been a problem if that was a very thick wire battery could overheat and maybe rupture , but electronics would still be fine

[@draileduncommon]

@@alberta3157 I think u are correct because there should be a inline fuse

[@alberta3157]

​@@draileduncommon I don't think the inline fuse has anything to do with it, the inline fuse is used to protect the electronics incase of some overcurrent draw from all the electronics circuits, if your drawing current on only that piece of thin wire, its the only thing that will get damaged

[@draileduncommon]

​@@alberta3157agreed

[@toma5153]

This is the first item we were trained on in a high school mechanics class, back in 1972. Teacher used a piece of coat hanger that turned red hot.

[@BiffTannen1983]

They normally melt after about 3-5 seconds.

[@pdtech4524]

That happened inside my car, late one night travelling along on a country lane. The cabin filled with smoke, my head lights went out and the car shut off⚠️😲😳 A live cable that had been inadvertently crimped between the steering column and a fixing bracket to the car body, causing a break in the insulation! Nice firework and smoke show! Thankfully the wire acted like a fuse and blew a none critical circuit, after turning off the car and on, I was back on my way, albeit slightly shaken! 😊

[@fustratedfisher]

That's why you always disconnect the neg terminal especially when working on 24 volt systems that can melt a wrench in your hands . Always observe safety steps

[@DannyPlays96]

I work hvac for nearly 10 years iv never heard of a wrench melting to your hand with 24v…..

[@mastercode2188]

Idk, one time I shorted battery with 13mm wrench on less than 1 sec and shit heated up so much you couldn't hold it in hand. That was on 24v system, bus mercedes benz citaro. Don't believe hvac can heat it up like that but 2 bus batteries conected in series are real double trouble

[@zugmeister314]

When I was a kid I had an old pickup with a side terminal battery. I had tools crammed everywhere on this thing and I’d put the lug nut wrench in the wheel well under the battery. Yep, one day off-roading I bounced the wrench up enough to bridge the terminals and the lead melted the wrench onto the battery. Big smoke from under the hood. Pop started it and drove it home. Old vehicles were kinda incredible that way.

[@Tk3997]

​@@DannyPlays96 To be fair a car battery can dump hundred of amps across a decent conductor, so It'll heat up a wrench quite quickly, but not so quickly that'll it'll melt your hand given that you'll probably pretty much instantly break the circuit once the literal sparks fly.

[@jbbadvet]

What car has a 24volt s system?

[@lockman004]

I was a lab technician working for a well know generator set manufacturer. I was assembling a prototype gen set and as I tightened the negative terminal on the battery I was momentarily distracted and the handle of my ratchet wrench hit the positive terminal of the battery. In a flash the ratchet turned red with heat with my hand stuck between the battery and the 1200 degree ratchet. The battery exploded but it saved me from losing my fingers. I now have great respect for the potential energy stored in a battery.

[@grantperkins368]

Woa, quite a tale! 😮

[@BlancoLobo]

Good idea use a 6.0 PowerStroke for destructive testing. It was probably already never going to run again anyway.

[@venriqo6435]

6.0 owners will always catch a stray bullet 😢

[@JimmyMakingitwork]

It is great to teach the power of a 12v battery as well as how wires become fuses with enough amperage. They learned a lot the day.

[@RS-ge4dz]

Now let's see that done with a wrench

[@decel4919]

If i accidentally did touch it with some kind of metal would it damage my batterie?

[@Mujiboy]

@@decel4919 It would damage you, not the battery.

[@roadstoriches5611]

🤣🤣

[@diamondboy3456]

My brother accidentally did that and a shard of the wrench went into his thumb and he couldnt get it out smh shits dangerous , then my boss said one time he was younger and did the same thing and the battery expolded and burned his shirt off so yeah its not something to play around with

[@SCHMALLZZZ]

​@@diamondboy3456i did it with a ratchet 17 years ago back in highscool autotech. I still have the same car. Might have to sell it now. Left leg was amputated last December.

[@Rodogg7787]

I caught my socket on the fender of my Buick while putting in the pos side of the side post battery and it welded to the car and quick. Knocked the ground wire off and quick bc it was about to get funky, lesson learned.

[@maddhatter3564]

yup gotta think fast in those situations. tho many in here would claim a level of perfection where this type thing never happened to them.

[@johnudontknow2805]

Guess they haven't seen a battery blow up.

[@jackasshomey]

the wire cant handle enough current for anything to happen to the battery, now if you try this with a 8 or 10 gauge wire... yea you might detonate the battery.

[@mikerogers7502]

​@@jackasshomeyThat's not the only way a battery can explode.

[@tbusch63]

@@jackasshomey Just charge the battery for an hour and flick a Bic real close to the battery to see what the problem really will be! The wire isn't the problem. You ever see the Hindenburg? Know how fire crackers go bang? Ever seen a lady finger firecracker? it is the tiniest of all firecrackers. 1/8" in diameter and maybe 1/2' long. You will only want one to go off in your fingers. Now look at the size of that battery! How big a bang you think that thing will make?

[@tbusch63]

@@mikerogers7502 A battery will only EXPLODE if you create a spark near it after it has been charging. Pretty much any time after the car has been running. When batteries charge they put off Hydrogen gas! Think of an EXPLODING Hindenburg! Not just one that caught fire!

[@jackasshomey]

@@tbusch63 its a matter of mathematics... the battery physically isn't able to explode because the wire broke... its literally the principle behind how fuses operate... and the hindenburg caught fire cause it was made of flammable material cotton... and you'll notice it burned and didn't detonate because it was pure hydrogen gas not hydrolox...

[@daveblevins3322]

Good instructor 👏👏

[@waybous]

Make sure when you're taking out the battery you lay your wrenches sideways on the battery because it's the perfect tool tray.

[@spiderbitedml385]

Your an idiot you never lay your tools on a battery even if it's disconnected. The same shit can happen if the positive and negative touch with out it being connected to the truck cause the battery still has power

[@TheSoup222222]

and always store your bettery sideways

[@bucketheadrox]

Make sure you touch one end of the wrench to the positive and then the other end can literally touch anything metal. Like the engine block.

[@SullyOrange]

Arc Flash is not a superhero

[@zhongxena1155]

Jumpstarting works better too when you connect your red cable to the positive of your battery and the opposite end of the red cable to the other cars negative then the black to the remaining connections. Then grab the red cable while attached still and hold a wrench in the sky for 3 seconds. It’ll start right up everytime.

[@blizbiggy]

Alternative Result: The battery explodes and they all go to the hospital with acid burns

[@MrPacman64]

Nah that battery is plenty strong to handle something like that

[@Raven777777777777777]

I've only heard about that so many times but never seen a battery explode and i hope i never will.

[@zbychu22169]

@@Raven777777777777777 that depends on the type of the battery, for example the ones that contain lithium are very likely to explode when abused

[@jeffreywilliamson4863]

He knew the wire would burn open. Try it with a 0 guage wire and things will go differently.

[@shakinbottles]

​@@zbychu22169normal batteries yes car batteries literally have to be rated to withstand crashes otherwise cars would just explode all the time I've exploded plenty of AA batteries and it's really easy because it's just a metal foil keeping everything together and in place with a car battery the case surrounding it usually won't let it get that damaged from most normal accidents I wouldn't trust a 1000lb lithium battery that's literally the same length and width as the car those seem dangerous and if it explodes there's nothing you can do everyone within 100 feet is immediately dead and probably gonna cause injuries and damage a long while further than that but also idk I'm a 20 year with a GED so yall do what you will😂

[@zachattack7]

Alternate title: How to get lung cancer.

[@crownhic6827]

How to fry computers

[@logank2633]

Alternate title: Why is my battery going dead since visiting the tech???😂😂😂😂😂😂

[@makeamericahateagain]

Those safetey glasses melted into your face are going to be annoying for the drs to scrape out

[@moethedeaf2746]

That is the most stupid lesson in an automotive school.

[@tommiepattonkendrickiii1617]

Breathing in smoke ONE time isn't going to give you lung cancer... 🤦‍♂️

[@Texan_Patriot]

Great visual way to warn these kids against crossing the poles!

[@jsteins]

This is why you always have a fuse or 12v breaker on positive wires going from battery to extra accessories & lights you may install. If the insulation wears off a wire or it gets pinched/pulled and contacts metal then you will burn wires in two and may start a fire in your vehicle. 😮

[@plaguex1]

This is why women live longer hahaha. Us guys just like to have fun

[@michaelg.9791]

I think you mean why they cheat 😁

[@YSEternal_]

​@@michaelg.9791there are millions of reasons why women cheat (whether legitimate or not is a different conversation) but this ain't one 😅

[@b1h2u3p4]

Imagine the car garages messing with your pride and joy 😂

[@JoseBloodthurst]

If your vehicle is your "pride and joy" you have issues and need medical help. Consumer nerd.

[@RC-Homesteaders]

Now that's a real teacher that shows and then explains why 👌 😊

[@scottbarrett3191]

Went to a vocational high school. A kid that was in the automotive shop shorted out a battery by accident. It blew up in his face and it shattered his eye socket, blinded him in one eye and left him with a six inch gash/scar for the rest of his life. And these simpletons are doing it for fun… smdh

[@tbusch63]

@scottbarrett3191 They will do it only once. Just like that kid!

[@ChaseAlberti]

Lol it won't blow up, that's barely a short. The wire probably has a resistance in the range of 10 to 100's of milli-Ohms.

[@avixs1543]

That wire would do nothing to a battery that size, kid must of shorted the circuit with something big,

[@waynefoulds1973]

its more fun watching someone pull the coil wire while the motors running bare handed

[@michaelmoody3737]

It doesn't really hurt that bad but it is shocking.

[@trm4life]

😆

[@chrisoconnor7110]

Went to that school and knows the professor, he's super knowledgeable

[@GoofyTV]

He was my favorite Ranken Instructor very knowledgeable

[@Meare3]

“I’m I gonna die?” “No you’re not gonna die.”

[@TheSoup222222]

the offgassing hydrogen from the battery: 👁️👄👁️

[@sMack120]

💀💀💀 🪦

[@DonVideoGuy007]

... because the lung cancer won't show up until a year later.

[@RoarStaze]

Btw when you do this make sure all your electronics are hooked up and make sure all the fuses are replaced with wire that can handle a lightning strike. If everything is done correctly you should now have a vehicle that doesn’t work 😂

[@SteveWhiteDallas]

This won't damage your car.

[@avixs1543]

@@SteveWhiteDallas Yeah the electricty wont pass through the rest of the circuit

[@ernesthamm1813]

"am I gonna die?" 😆 What if he just said "Yes ...1 ...2 ...3"

[@Canadazeus]

That's pretty awesome and I'm going to be showing my grandkids for sure! I kind of knew about the melting but the yellow smoke is cool!

[@BeaterCollector]

I once ACCIDENTALLY connected the 2 together with my wedding ring, it melted my skin, very painful. I have a scar that will never go away. The oddest thing was that my wife vanished 1 week before hand. Was that a message from my father in law that passed away? I'm positive it was.

[@themanhimself3]

No, you were positive AND negative.

[@henrypacer2828]

Did u ever find her?

[@BeaterCollector]

@@henrypacer2828 Yes, 2 year's later. I was so shocked it felt like I came face to face with a bear. The rush that went through me was so strong I'll never forget.

[@BuddhaStephy]

I just learned my lesson the hard way with that. Advice- Don’t wear rings! And always make sure your tools have rubber handles! You don’t want to know what that fuck up feels like.

[@tbusch63]

@UC7ORuTyQjmjSgHXnlNMvKvA

[@CuttinChris]

I was looking for a coolant leak leaning over my engine hand resting on the coil pack. I pushed a plug wire off by accident and let's just say I jolted the shit out of myself 😂

[@DsTAiiN8oh8]

Can't be worse than 277v

[@tbusch63]

@@DsTAiiN8oh8 It sure as hell can be! does 277V spit Battery acid and shrapnel all over you? Look up Hydrogen gas and sparks...

[@maddhatter3564]

never wear jewlry period when working on machines. Long ago i got into a huge arguement when a GF found i wasnt wearing one of the ring set we got. I told her i kept it in my toolbox while working for safety reasons.

[@destroytacocat9070]

The customer is just like. What the hell is taking them so long?😂😂😂

[@YouTubeExplore777]

We're busy breaking your shit for an extra cost and replacement fee. You know a scam that's what we do best. 🙂

[@agentnugent1021]

Kid: “Dad can we go see fireworks ?” Dad: “oh you wanna see fireworks?” *pops up the hood*

[@prrcpor]

It's called zee resistance dead short

[@melocomanTV]

I was changing a 33aH battery in a hospital bed and my screwdriver accidentally shorted the terminals. Straight up exploded a cavity in the steel

[@maddhatter3564]

imagine what a 220 AH battery would do

[@Musclecars4l1fe]

That was because there was an air pocket in the steel. The air got too hot and the steel could not contain the air any longer. It's called a Blevee.

[@melocomanTV]

@@Musclecars4l1fe thanks that's really interesting

[@Musclecars4l1fe]

@@melocomanTV they can be very dangerous.

[@melocomanTV]

@@Musclecars4l1fe I'll stop buying shitty Amazon screwdrivers

[@TwinShards]

Remind me of when my teacher was telling the class about testing resistance and some of them were not quit understanding How a wire for say, a starter's wire, can show ~0 Ohms but be defective. I showed them what happen if you attach a wire 0.2mm to the main circuit. They saw this wire was 0 Ohms when testing. I turned on the ignition, saw all the motorcycle's modules were turning on just fine but when i would turn the key to crank it would only activate the starter selenoïd and that small wire would start to glow red hot in seconds. From that point they understood what a big wire breaking apart can look like on the multimeter. A wire or it's loose connection showing near ~0 Ohms can still be the fault in the circuit. Best way to verify is to bypass it to see if the problem persist

[@bluesnjax9134]

Breathe that clean, colored air in.

[@abdullaabdulla1228]

May be they get high from that smoke

[@Katya5cat]

You would not believe me if I told you how many batteries that I was around when they exploded. I used to work in a shop where the senior guy was ALWAYS drunk. He blew up batteries on a regular basis. The boss never said a word to him. The guy couldn't hook up jumpers or a charger correctly to save his sorry life. It turned out they were stealing every tire, part and ounce of fuel that they could get away with.

[@DarthSouron]

My dad and I used some tiny wires like this on the starter of a motorcycle for testing purposes. They didn't burn up instantly, but were very hot and close to melting. It did start the bike. Protip: Jumper cables will also get melty if hooked up backwards

[@MikeKrochburnes]

Imagine going to pick up your car a little early and seeing a group of mechanics standing around holding pliers to your battery with an arc and smoke everywhere

[@everettplummer9725]

Now if they had been charging the battery for awhile, the hydrogen gas, could have blown the lid off the battery.

[@MrKL83]

Mistakenly touched both poles with a wrench. Blew out the ignition fuse.

[@MqKosmos]

How about using window washer from a gas station?

[@joshuahickson4976]

ahaha i get that reference

[@qwertz4035]

"Am I not gonna die, am I?" Instructor: "50/50"

[@bat__bat]

In a generator workshop i used to work at, we tested batteries like this using a much much thicker cable. With a fat ass wire, the battery looks at it like a load tester. You learn this fast when the voltmeter fools you, telling you the batteries you got are 12v. Must all be good. Nope. You show up to the work site with 3 dead batteries if you rely on the volt meter. If the big wire doesn't get hot after hookin it up for 2-3 sec with animated sparks, that battery is dead regardless of the voltmeter's lies.

[@joewilson1522]

And to this day the shop smells like burnt wires

[@rockypalacios2494]

How to fry the electrical in your car video

[@D4x4Bronc]

Pcm all modules blown

[@kaliban4758]

nope, only short was the wire ALL of the other electronic components are fine

[@lolstans285]

It sounds like the fuse when you light TNT in Minecraft

[@djmystery7235]

If you use a massive wire it will only get hot and discharge the battery, the battery will probably explode though. Or at least melt.

[@charmio]

Probably just vent some steam?

[@ajsadventure472]

How about i put a 16.6 farad capacitor on car ?

[@Majimo22021]

May be just 12 volts but the amperage is insane

[@staceejaxx1969]

-“Honey, why is the dealership experimenting on your brand new 2025 Cadillac Escalade?” -“It’s for educational purposes, love.”

[@MyNameGoesHere___]

Did y’all just fry the car’s electrical system while you were at it?

[@judofamily1]

No, it didn't cause any damage to the electrical system, because the wire was it's own path for the electricity.

[@maxsinventions8913]

@untitled. No, that's wrong.

[@miralemnermina142]

@@maxsinventions8913 the car will reset it's radio stations, trip meter, ECU calibration.... It's not fun explaining it to your boss. Ask me how I know....

[@spenzr6920]

No they just shorted the two terminals of the battery. Its like taking a AA cell and connecting its both except that this battery is much more powerful and the potential difference across terminals is more

[@romeo2368]

@miralemnermina142 how do you fix this issue ??

[@deegs1749]

1ft of 18awg wire has .0064ohms resistance. 12v/.0064 = 1875 amps. This is obviously limited to whatever the current output if the battery is. Off the top of ky head i feel like car batteries are around 800 amps.

[@tbusch63]

@deegs1749 Hey Einstein. Look up Hydrogen gas and sparks. You might see a picture of the Hindenburg. Know how firecrackers work? Batteries do the same thing, but Better!

[@johnnymcthunderbolt6670]

Make sure you breath the fumes as much as you can for the full experience

[@abdullaabdulla1228]

Yes , the fumes givetime a high !

[@LostAfterMe]

“What are those guys doing with my car out there..?” Says the guy waiting, peering through the lobby window into the tire shop.

[@rubenatalamantes3903]

Now check the PCM 😅😅😅😅

[@Dabeast632]

Is the battery broken now?

[@Twanskiii]

That mf sounded like a Minecraft TNT

[@DadSquad_Cisco84]

Employee : Sorry, Mam, I have bad news, your ECU is fried. Customer: What do you Mean? I came here for a oil change. Employee: I know, mam, but we always check everything at no cost,even if it is an oil change. Customer: How much it will cost me to fix that. Employee: Estimates up to 5k not, including labor. Customers: What?! 🤯🤯🤯💀☠️☠️

[@jamessouza7065]

Damn man 5 g's not counting labor? Well how much are we talkin for the labor?

[@AuroraGw2]

" don't breathe this" iykyk

[@a100921]

Maybe they should try a thicker gauge next time.

[@Issabamabeat]

I miss auto shop in high school. Our instructor was the coolest guy in the world. I made a lot of money fixing teachers' cars after school 😂

[@midnightfarmer382]

Oh no!!!! You let the magic smoke out, it’ll never run again😂

[@maui.tech.0415]

The car’s computer: what’s going …?