Thank you for this man! The combination of the technical drawing and chop really helped me to understand what was going on and how coils increase the voltage. Awesome explanation for a novice like me. Thank you!
Thanks for the expllanation. I am gradually learning how coils work, and your video helped. When is it necessary to add an external ballast resistor to a coil?
my school teacher gave us a bunch of pdf article to read, I spent whole afternoon did not get any clear idea. watch this video save a looooot of. time .
you made people enjoy more from mechanics while they get to know the heart of each parts specially with the setup of tooth brush and the brother shorts are all supper
I was interested to see what is inside. I am suitably amused to see that what I was thinking it should be is indeed correct. This is a big TEN out of TEN
The coil is a form of a transformer, just not for the usual A/C. A regular transformer does not have a 'solid' iron core, it is made of leafs of metal just like you found in the coil. Those leafs are meant to limit eddy current effects. Google "eddy current in transformer" for more information.
speedkar99 - It is not like an ordinary transformer in which the secondary voltage depends on the turns ratio. Here it is called flyback conversion. Since you are still in high school level you may find it difficult to understand the theory.
Excellent video. I hope you can answer a question for me, since it is obvious you understand the inner workings of an ignition coil. I have a 6.75 torque push mower that had been running fine for the most part, though I do recall it having some issues starting about a month ago. The mower was running fine one day, then the next day it was as if I had it on low throttle, which I can't do since it is auto-choke. I checked the carb, the air filter, the fuel line, the spark plug, even the flywheel key, and they all looked normal. I then saw a video about bad ignition coils, and it stated that the coils for my mower should be between 2.5 and 5.0 Ohms, anything above or below that would be considered a bad coil. Mine registered on my multimeter at 6.5 Ohms. I have asked many TH-cam mechanics online if this would cause performance issues, and almost all have said "NO", that if my coil was bad, it would not start. Even the local mechanics in town said the same thing over the phone. Since I have just about ruled out everything else, could a degrading coil be my problem? It seems since no one hardly ever checks for a bad coil, they just state it isn't a cause for a problem. Thanks.
Nick23at63 Nick usually a coil goes bad and won’t work at all. However, sometimes a coil can produce a weak spark and cause poor running. See if you can get a spark to jump a 1/4” gap and if so, the coil is ok. If no spark, unplug the coil from the kill wire, if spark returns, there’s a short somewhere on the mower. The 1/4” gap is important because that “loads” the coil and sort of mimics the higher cylinder pressures that a spark plug endures during the compression stroke. I actually own a small engine business and 8 out of 10 performance issues I see are due to a fuel related issue or a vacuum leak in the intake between the carb and the head/block. Other things to check in general are fuel filter, air filter, compression, fuel tank vent on fuel cap (sometimes they get plugged up with dirt and the tank actually forms a slight vacuum and fuel doesn’t flow). Most often a bad coil will cause a mower to just not run but weird things can happen with them. You might have some gunk in the carb. If it runs ok without a load on the engine but cuts out under a load, that is your high speed jet most likely clogged. If it runs poorly with no load but gets better under a load (thick grass) that is usually your idle circuit in the carb. Hope this helps and I think I read your question correctly but maybe not. Let me know if you have any other questions. God bless!!
My interpretation. When the switch is closed, 12V flows through primary (smaller) coil at current I. Then the switch gets opened, that means the current I goes to 0 very very quickly, and that induces a quick change in the magnetic field. I guess when you do that over and over again, you get a "continuous" changing magnetic field. If this is what you're asking.
Another great video, thanks! Thank you for providing true quality content, not another bait or techvertisement, which are so popular now - keep up the good work and have a great 2018! :) Maybe Colgate can give you some sponsorship money? ;)
Its actually the collapsing EMF, electromagnetic field, that causes the voltage spike. What you are describing is the principal behind Alternating Current, AC, where a change jn polarity lf the magnetic field induces a current into the conductor but in this case the polarity is not being reversed its just being interrupted, causing a sudden release of the charge stored in the capacitor and primary inductor into the path of least resistance, which in this case is through the secondary coil and and across the spark plug gap and back to the batteries negative post via the engine ground.
So will a little crack at the plastic top will cause a failure ignition coil? I have a crack of the plastic part right at the top, will it cause any trouble?
In an ignition system with distributor, when you have the ignition open (engine off), does electricity constantly run through the coil if the contacts stayed closed?
the high voltage spike comes when the primary coil is de-energized. the magnetic field collapses through both coils rapidly and that rapidly MOVING magnetic field induces the high voltage in the secondary. When you re-power the coil the magnetic field is re-established, but much slower than the collapse.
On the standard cylinder shaped coils, is the internal secondary wire connected to the + or to the - of the labeled primary terminal? Thanks for the great video!
Well I’m still inspecting my new used 2006 Toyota sle 3.3, and Ive been running temperature tests on coolant temperture, and am not finding the electric radiator fans to engage at 199-201 degrees F,,,I thought they were supposed to kick in at 195...so I’m trying to find out if it’s supposed to be kicking in or not, and how to make it kick in, so I know it’s working,,,if not working, I’m guessing wiring issue, fuse relay issue, or shot motors? Any ideas on this one...radiator tubing takes a while to heat up too, which I find strange, compared to my corolla
+Corbin H. Every car is different. Look at the gauge on the dash if it's overhearing then you have an issue. The repair manual has the exact specs when it should kick in or not.
What's the point of individual coils per plug? Less distributed electrical noise from a distributor and such? It seems all new cars have individual coil packs.
So basically it’s math magic that has to do with resistance over a conductive material that ramps up energy to burst to a spark? Is the coiling to create distance for the energy to build up? In other words does the distance = the resistance or is the physical bending of the wire creating resistance?
I've got 250k on my Toyota 1mz-fe Denso coils. I keep thinking I've been lucky one of the 3 hasn't failed. What's your opinion on replacing them before one finally fails?
+d w coils burn out internally and then gain resistance causing misfires. Eventually they won't fire at all. No new toothbrush for Christmas, I'm going to start reusing his old ones now.
Capacitors block dc and allow ac to pass. They also store electricity. When a coil or inductor (same thing) discharges it produces a voltage spike that can damage components. A diode is used to block this high voltage, not a capacitor. Your information is wrong.
I think it may be you who is wrong, for the very reason you have just given. The function is electrical storage, a capacity/condenser acting rather like a battery in absorbing the voltage spike. A diode would not fulfil that function.
You are completely wrong .You said the switch as distributor but the switch is actually the contact breaker which is connected to the cam.You should use your common sense , how can we create e.m.i without breaking the contact of the wire. So to do so we need to break the connection and reconnect it which is controlled by cam's rotation.On the other hand distributor work is to distribute the high voltage generated due to the principle of e.m.i to the required spark plug.I hope you got it. 😉😉😉
My man, you get 5 stars for just dissecting the part to show what's inside, exactly what I was looking for.
You are welcome
Thank you for this man! The combination of the technical drawing and chop really helped me to understand what was going on and how coils increase the voltage. Awesome explanation for a novice like me. Thank you!
You are welcome!
It's not very often that I see a video like this.
Glad you appreciate it. More like this to come.
Top the Chop
+Marvin Restua ahah you caught that :)
I love the filthy toothbrush pointer🍻
+Jacobe Q ok I'll have to change that out for a new one soon
speedkar99 Whats the point? It'll only get dirty eventually 🍌
What an amazing video. So succinct and absolutely packed with substance. I wish all TH-cam videos were like this!
That annotations are nice. Merry Christmas
Yathu prem merry Christmas
+Yathu prem glad you liked them, which one is the best?
about wipers
Thanks for the expllanation. I am gradually learning how coils work, and your video helped. When is it necessary to add an external ballast resistor to a coil?
my school teacher gave us a bunch of pdf article to read, I spent whole afternoon did not get any clear idea. watch this video save a looooot of. time .
Glad it helped!! I have alot more videos like this
best car service channel
+TheRouteShow awesome thanks
you made people enjoy more from mechanics while they get to know the heart of each parts specially with the setup of tooth brush and the brother shorts are all supper
Three minutes long and it felt like an hour of University grade talk...
And I havent even gone to University... Damn
+Oddball thanks I'm glad you learned something. I went to university and boy I'll tell you they don't teach it this easily...
I was interested to see what is inside. I am suitably amused to see that what I was thinking it should be is indeed correct. This is a big TEN out of TEN
Awesome as always! Thanks!
You are welcome
The coil is a form of a transformer, just not for the usual A/C. A regular transformer does not have a 'solid' iron core, it is made of leafs of metal just like you found in the coil. Those leafs are meant to limit eddy current effects. Google "eddy current in transformer" for more information.
+Russel Brooks thanks very much for the clarification, I didn't remember Eddy currents from high school class hah!
speedkar99 - It is not like an ordinary transformer in which the secondary voltage depends on the turns ratio. Here it is called flyback conversion. Since you are still in high school level you may find it difficult to understand the theory.
Amazing video and explanation, thank you very much for your time
Shabash mundeyaaaa! Very insightful.
+O Qureshi thanks
Thank you for your demonstration.
Great video. Totally explained what I wanted to know.
Glad it helped
Excellent video. I hope you can answer a question for me, since it is obvious you understand the inner workings of an ignition coil. I have a 6.75 torque push mower that had been running fine for the most part, though I do recall it having some issues starting about a month ago. The mower was running fine one day, then the next day it was as if I had it on low throttle, which I can't do since it is auto-choke. I checked the carb, the air filter, the fuel line, the spark plug, even the flywheel key, and they all looked normal. I then saw a video about bad ignition coils, and it stated that the coils for my mower should be between 2.5 and 5.0 Ohms, anything above or below that would be considered a bad coil. Mine registered on my multimeter at 6.5 Ohms. I have asked many TH-cam mechanics online if this would cause performance issues, and almost all have said "NO", that if my coil was bad, it would not start. Even the local mechanics in town said the same thing over the phone. Since I have just about ruled out everything else, could a degrading coil be my problem? It seems since no one hardly ever checks for a bad coil, they just state it isn't a cause for a problem. Thanks.
Nick23at63 Nick usually a coil goes bad and won’t work at all. However, sometimes a coil can produce a weak spark and cause poor running. See if you can get a spark to jump a 1/4” gap and if so, the coil is ok. If no spark, unplug the coil from the kill wire, if spark returns, there’s a short somewhere on the mower. The 1/4” gap is important because that “loads” the coil and sort of mimics the higher cylinder pressures that a spark plug endures during the compression stroke. I actually own a small engine business and 8 out of 10 performance issues I see are due to a fuel related issue or a vacuum leak in the intake between the carb and the head/block. Other things to check in general are fuel filter, air filter, compression, fuel tank vent on fuel cap (sometimes they get plugged up with dirt and the tank actually forms a slight vacuum and fuel doesn’t flow). Most often a bad coil will cause a mower to just not run but weird things can happen with them. You might have some gunk in the carb. If it runs ok without a load on the engine but cuts out under a load, that is your high speed jet most likely clogged. If it runs poorly with no load but gets better under a load (thick grass) that is usually your idle circuit in the carb. Hope this helps and I think I read your question correctly but maybe not. Let me know if you have any other questions. God bless!!
another great one
Thanks
How does coil get continuous changing magnetic fields with DC voltage? Thank you
My interpretation. When the switch is closed, 12V flows through primary (smaller) coil at current I. Then the switch gets opened, that means the current I goes to 0 very very quickly, and that induces a quick change in the magnetic field. I guess when you do that over and over again, you get a "continuous" changing magnetic field. If this is what you're asking.
Highly experienced car mechanic 😎👏👏🛠🛠🛠🛠🛠🛠🛠🛠
I'm not a mechanic
Very good,...its clear explain what is inside the ignition coil
Epic video
Merry Christmas 🎄
+S-tech thanks!!
So cool!! Love the toothbrush
+jaciel1964 thanks
Best pointer
Another great video, thanks! Thank you for providing true quality content, not another bait or techvertisement, which are so popular now - keep up the good work and have a great 2018! :) Maybe Colgate can give you some sponsorship money? ;)
+pancakewsx Your welcome, short and to the point is my style, why advertise?
Great channel. Congratulations. Excellent video.
+Pablo L thanks Cartman
Merry Christmas speedkar99 best wishes for the new year too
God bless you
pétri pat merry Christmas
+pétri pat thanks
Its actually the collapsing EMF, electromagnetic field, that causes the voltage spike. What you are describing is the principal behind Alternating Current, AC, where a change jn polarity lf the magnetic field induces a current into the conductor but in this case the polarity is not being reversed its just being interrupted, causing a sudden release of the charge stored in the capacitor and primary inductor into the path of least resistance, which in this case is through the secondary coil and and across the spark plug gap and back to the batteries negative post via the engine ground.
Very cool! I bet you'll hit the hundred thousand subs mark in 2018!
+Tripp M thanks, I sure hope so!
Thanks man. That's really good explanation. 👍
You are welcome
thank you verymuch.
Your channel was so sorely needed in my life. Question: How does the capacitor discharge before more voltage is applied? Where does the energy go?
+starguy9 I'm glad my. Videos helped you out! When the switch is closed it basically shorts the capacitor discharging it
So will a little crack at the plastic top will cause a failure ignition coil? I have a crack of the plastic part right at the top, will it cause any trouble?
In theory it shouldn't. But these are so sensitive anything can cause them to fail or burn out.
They're full of JFM. Just Facking Magic.
+jmurphy1973 haha that's right
Cool I always wanted to see the inside of a cop.
+Dylan Cop?
Coil-On-Plug ignition... 😉
Colgate should be sponsoring you.
+Victor Marquez but why? This is unintended use haha
Nice video.🖒🖒🖒
+ღKenny Animatronic High FNAF Gaming Channelღ your welcome
In an ignition system with distributor, when you have the ignition open (engine off), does electricity constantly run through the coil if the contacts stayed closed?
I'd imagine the ignition circuit being open would stop current from flowing through the ignition :P
Excellent !!!!
the high voltage spike comes when the primary coil is de-energized. the magnetic field collapses through both coils rapidly and that rapidly MOVING magnetic field induces the high voltage in the secondary. When you re-power the coil the magnetic field is re-established, but much slower than the collapse.
Thanks for the clarification. Been a while since I studied this
Your the best dude , thank you for the informative video 👍
Grear video
Voltage induces in the secondary coil only when there's changing magnetic field in the primary coil so how it's possible with DC voltage? :)
Breaker switch - on-off, on-off, on-off, on-off, on-off...
On the standard cylinder shaped coils, is the internal secondary wire connected to the + or to the - of the labeled primary terminal?
Thanks for the great video!
Can be either.
Well I’m still inspecting my new used 2006 Toyota sle 3.3, and Ive been running temperature tests on coolant temperture, and am not finding the electric radiator fans to engage at 199-201 degrees F,,,I thought they were supposed to kick in at 195...so I’m trying to find out if it’s supposed to be kicking in or not, and how to make it kick in, so I know it’s working,,,if not working, I’m guessing wiring issue, fuse relay issue, or shot motors? Any ideas on this one...radiator tubing takes a while to heat up too, which I find strange, compared to my corolla
+Corbin H. Every car is different. Look at the gauge on the dash if it's overhearing then you have an issue. The repair manual has the exact specs when it should kick in or not.
When does switch get opened? And by what ? The computer?
Yes the computer
What's the point of individual coils per plug? Less distributed electrical noise from a distributor and such? It seems all new cars have individual coil packs.
+Joe Heiser So the timing of the spark can be controlled individually
speedkar99 oh so instead of just advancing the spark of all cylinders, it can be done individually?
You are the BEST :D
+Petar Jovanovic I sure am. Thanks petar
Will you be doing a video for ignition switch?
I already have one...part of my steering column video
Love the toothbrush!
Thanks
When will you have a video about how a starter works
+1 1 Sometime this year....I have the starter, it's just too cold to film outside
Cool. I was going to cut my failed one but now I don't have to. Thanks
You are welcome. I probably have more where that came from 😉
Your are awesome 👍🏻👍🏻👍🏻👍🏻
+BOGAM Bhavani I sure am. Thanks!!
merry Christmas
THANK YOU!
Welcome
Pls make a video on how to lubricate car radiator fan
+TheRouteShow I did. Check out my how a cooling system works video
speedkar99 I need a video on how to lubricate radiator fan
How much is a coil run on prices on a Nissan 2000
So basically it’s math magic that has to do with resistance over a conductive material that ramps up energy to burst to a spark? Is the coiling to create distance for the energy to build up? In other words does the distance = the resistance or is the physical bending of the wire creating resistance?
It's not resistance, it's inductance
very informative. Thanks speedkar99
+Dhanasekar Pachaiyappan your welcome!
I've got 250k on my Toyota 1mz-fe Denso coils. I keep thinking I've been lucky one of the 3 hasn't failed. What's your opinion on replacing them before one finally fails?
how to dc converting to dc ???
i love you man
+saurabh sharma thanks I love me too!
I hope you don't forget to get your commission check from Colgate for advertising
+Air Mech I don't think they'd appreciate the use of thier products on cars
Colgate approved this message.
Haha
They don't endorse this type of use
Top the chop off😂 good video
This is the worst toothbrush commercial I have ever seen! JK great video, thanks. Thumbs up.
wh is there a spark jumping from my coil pack to the engine?????!?!?
Wow super
Cool, what happens to a coils when it goes bag?
Did your brother get new tooth brushes for Christmas?
+d w coils burn out internally and then gain resistance causing misfires. Eventually they won't fire at all.
No new toothbrush for Christmas, I'm going to start reusing his old ones now.
@@speedkar99 and he will be start using spark plugs to ignite whitness in teeth 😂
it does not use a mechanical switch. most probably there is a transistor somewhere in there
No, a mechanical switch would be too slow
the main problem with mechanical is that it would wear out in 3 minutes of idling
Dude got a prison sharpened toothbrush (lol)
You are almost certainly missing a diode in the same config as the cap
Capacitors block dc and allow ac to pass. They also store electricity. When a coil or inductor (same thing) discharges it produces a voltage spike that can damage components. A diode is used to block this high voltage, not a capacitor. Your information is wrong.
I think it may be you who is wrong, for the very reason you have just given. The function is electrical storage, a capacity/condenser acting rather like a battery in absorbing the voltage spike. A diode would not fulfil that function.
And that's why this things cost a lot of money.
Yea theyre full of metal
What s your name bro?
+omer tashfeen speed
Thumps up for the video, thumps down for the tooth brush.
You must be new to the channel. He uses a tooth brush in virtually every video
No, I'm not new. I just don't like "Colgate" products.
I don't see his brother's underwear :-)
+Hamad Alganis thanks
+Hamad Alganis alright maybe next time I'll grind off that side of the toothbrush
I have the same toothbrush
But Transformer don, t work in dc. We need 12v AC.
I wonder how Colgate works
Me too
Basically, it's a transformer
Tesla would be proud.
Toooooooootthhhbrrruuuuusssshhhhhh
+Singh jinder Nagra Yep. Who?
Is that a toothbrush or a shiv 😆
I thought transformers only work with AC doe
Brooo oh oh. The switch creates the changing magnetic field yo thanks
No
@@speedkar99 what do you mean no. Yes
@@speedkar99 induction is dv/dt
@@speedkar99 bruh square up 👊👊
todays tips brought to you by colgate
You are completely wrong .You said the switch as distributor but the switch is actually the contact breaker which is connected to the cam.You should use your common sense , how can we create e.m.i without breaking the contact of the wire. So to do so we need to break the connection and reconnect it which is controlled by cam's rotation.On the other hand distributor work is to distribute the high voltage generated due to the principle of e.m.i to the required spark plug.I hope you got it.
😉😉😉
+Saubro Boro The distributer runs off the cam. The distributer is what has points inside that break the contact as the firing order changes.
Sponsored by Colgate. 🦷
Want to NOT lose people? Stop showing the grinding.. The noise...
Sorry if it bothered you
No dirty underwears????
+Mustafa Yamin ignition coil isn't greasy or oily
That toothbrush is the real star of the channel
Haha would you be interested in one 😏