How to Use Wiring Diagrams For Car Electrical Diagnosis and Repair

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A Technician explains How to Use Wiring Diagrams for Car Electrical Diagnosis and Repair.
In this video we continue the electrical series by talking about wiring diagrams and how to effectively use them to diagnose cars. In the next part of the series we'll get a bit hands on when we explain how to use a multimeter to perform all the various testing that we've talked about in this series
If you've missed part 1 of the series, find it here :
• Learn How to Diagnose ...
TCCN Automotive Inc.
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Опубликовано:

26 сен 2024

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Комментарии : 534

@automedicine Год назад

I have never regretted subscribing to this channel. The amount of education I get here is like going to Auto university.

@BrucifyMe Год назад

And he's just giving it to us for free. What a legend.

@cardo1111 Год назад

Indeed. AMD is a talented technician and a good teacher.

@stevejette2329 Год назад

So where can a person GET these individual, simplified diagrams ?

@HafizIbrahim-j8t Год назад

Actually your presentation and method in force every body looks for the best toturial can flow you

@stevejette2329 Год назад

@@HafizIbrahim-j8t Ya. What he said.

@gregwarren8583 Год назад

As a Retired Auto Tech & Community College Instructor (57 years experience with ASE Master & L1) I love your descriptions & testing logic, exactly as I taught my students to do. It might be a good idea to compare diagrams for various manufacturers so people can see the minor differences. Keep up the great work! Many people do not know how to properly use electrical test equipment, especially for parasitic drain and loading circuits for voltage drop testing. It would be good to do a series based on these points. Again, keep up the great videos you provide. I have watched many of your videos and love what I see. Greg Warren

@abes7181 Год назад

Why are components given ground in a car? In a house like a light switch it's given power so it's not constantly hot. So car components are constantly hot? Am I mistaken?

@gregwarren8583 Год назад

@@abes7181 Abe, We use DC except internally in a Generator (usually called an alternator) tis device produced 3 phase AC which then goes through a rectifier to produce a pulsed DC output to the battery. Automotive circuits are usually Hot or Ground side switched. Ground is used as a return path for todays' Negative Ground systems. A switch may be constantly powered from the battery (ground side switcing), or switched power to a component (hot side switching). Let me know if you have any other questions.

@shanechostetler9997 Год назад

You are amazing in the content! Just like going back to vocational school!

@learningwithjuan Год назад

Car Nut I do agree with Greg suggestion. I would highly enjoy those type of content. If it’s possible for you of course. God Bless you guys.

@dougmacqueen1679 9 месяцев назад

@@abes7181Abe the use of the term "ground" in automotive electronics is a bit misleading. As you are likely aware that rubber tires are good insulators so nothing is actually going to the ground. As a circuit must be complete for current to flow, the metal frame of the car is the ground but most importantly is the metal frame is directly wired to the negative post on the battery completing the circuit. So when you hear "ground" just think negative to the battery.

@mikekellokoski9745 Год назад

Every video you make shows how much thought, care and quality you put into your work. You're a godsend to the automotive community!

@wyan008 Год назад

As a former automotive technician now a "Car Care Nut," your RU-vid video demonstrates your generosity in sharing your knowledge, experience and well earned wisdom. It is nice to update myself with your videos. Lifelong Toyota & Lexus owner. Wishes for a healthy and prosperous New Year. May the Lord Bless and Keep You!

@elijahtolentino_ Месяц назад

Thank you for the prayer at the end really meant a lot. Came in watching this video discouraged because I’m so frustrated at my dealership training and how I need to pass this electrical and hands on part of this test. But after your quick prayer you have encouraged me to pass for the Lord. Thank you God bless ❤️

@mrwhite2628 9 месяцев назад

I can't believe that I just sat here and watched a video of something I've known for 30+ years. This guy is a great instructor! Keep up the good work!

@yunieskerjoseespinosamarre1174 Год назад

I have all of your videos saved 😉 I can tell you, I (who didn't know anything about cars a year ago) have been giving advices to the Mechanic Master I work with part time, by just passing your knowledge. You are a Saint my very good Professor. May God bless you and your family, and keep you all safe 🙏

@mmix224 10 месяцев назад

Your explanation of your methodology is incredibly helpful. When coupled with what's being taught, this is one of the best uses of 30 minutes you could possibly invest in. Thank you!

@peteadolay5299 Год назад

You are the best. My daughter is an engineering major at Purdue university and is currently taking 300 level electrical current class. I sent her these videos and she said they were helpful. Thanks 😊

@nkiaoda1025 Год назад

Electrical was always a struggle for me when I was an auto tech. I am really excited to watch these instructional videos of yours. Thank you so much!!

@tolitze6521 Год назад

I'm just a DIY. So grateful that I found this channel. Thank you for these lessons.

@BlueCrab251 Год назад

You're by far the best teacher for automotive electrical! I have struggled for years understanding wiring diagrams and firing the parts cannon at my cars. I replaced an entire ABS computer and pump when I tested the relay and though it was good. Come to find out, it wasn't; only because I tried every other part. It was one simple plug and play part that I somehow tested incorrectly, resulting in spending lots of time and money installing other parts. Thank you for all these videos and all you give back to us in the car community.

@QuantumMercury Год назад

These videos may not get as many views as some other videos, but they are actually some of the most meaningful videos you can put out. It's good to see you care about the quality of the content you put out and not just try to throw out what will get the most views all the time.

@tupublicoful Год назад

Great video. My suggestion is you cover a how-to use tools to verify voltage (power), ground, continuity and relays as you diagnose the issue. (with multimeter, quick pin sensors, manual switched relays)

@ttrueplaya Год назад

Join this suggestion

@pecan11 Год назад

I bet you will be highly wanted as a mechanic when word gets around about your channel. As a woman I am highly suspicious of a lot of mechanics bec of their lying to me. I usually have tried to diagnose the problem prior to bringing it in including reading codes and doing research. Thank you for being honest about your interpretations! We desperately need mechanics like you!

@supersabrosinho 6 месяцев назад

Most competent mechanics are like this or better

@stephenshaw9131 Год назад

Well presented! When the house is paid for/ kids through college etc.consider a teaching or management position. You have expertise and are well spoken. Our bodies don't last forever as a tech. I got the opportunity to go into supervision in a fleet shop and it turned out to be a real blessing.

@barrygalerno700 9 месяцев назад

I have worked on vehicles for over 60 years. Your explainations are the BEST. Thank you for sharing your knowlege. Wishing you health and prosperity from Canada.

@rassiekotze5183 Год назад

I am a master Technician at Toyota. Although i have been off the bench since 2014, i have sent all my apprentices to this channel. Very good explanation and very easy to follow. Wish you all the best sir! May you and your business grow from strength to strength.

@Iforgot___________-________75 3 месяца назад

I just wanted to say, you are an excellent instructor. I learned more from your videos in 1 hour than a lot of time with other methods. I hope you make a milli on this work because you deserve it. Thank you!

@aamiryousuf90 Год назад

I am an Electronics engineer and I am glued to this series as I am learning a lot in comprehension of automotive electricals. I can only imagine how much everybody is benefitting from this masterpiece of a series. Thanks AMD for this amazing series.

@bartonhannah8977 Месяц назад

This video was very helpful and I thank you so much for the amount of knowledge that you just gave me. May God bless and protect you young man.

@vangm94 Год назад

Main thing my instructor always said when diagnosing electrical issues, "don't come to me without an EWD". So I either learned his way or I learned Toyota's (through T-Ten) way of diagnosing electrical issues. It has helped me greatly.

@majdkurd5456 Год назад

Your English is very clear and beautiful

@michaelt1349 Год назад

I'm sure it will come later in the series but it would be great to actually see you use your tools to check these voltages at the various points in the starter diagram example. I'm sure you could rig up some test cases with bad wires or fuses or relays that you've collected over time and show the diagnostic thought process. Great so far!!!

@michaelt1349 Год назад

Also, I am being greedy here but I think because of the success of your channel you could actually procure a "shop" car (maybe Corolla or Camry?)for these electronic lessons (and other repairs as well) and keep it in your facilities. You could demonstrate the diagnosis and repair process on the car and after some point in time you could sell it! You might be able to sell a high quality completed series of diagnostic assessment and repairs for certain Toyota cars or perhaps something more generic! Thanks again!

@rightlanehog3151 Год назад

AMD, You are keeping us on our toes with a Monday video. 😉

@MoeNegm 7 месяцев назад

Oh my God just had the illest epiphany moment as you explained how relay work. Wow! Excellent job!

@roderickzappareynolds2316 2 месяца назад

A very thorough and detailed explanation. Excellent work!

@matijabensa 8 дней назад

I learned a lot from this video about electrical diagnosis.

@Palmer225 Год назад

I’ve learned more from your channel than I ever could have imagined. Solid, practical, and well communicated information each and every time! Thank you!

@TheHansoost 10 месяцев назад

This is truly excellent material. Your explanations are clear and concise.

@pelayovial4428 Месяц назад

Please continue these series!

@Z14kt12timandjes1 Год назад

You are an excellent teacher. Thanks also for saying may the Lord bless you and keep you.

@frankthecat Год назад

I always feel smarter after one of your videos.

@joshvalera2526 3 месяца назад

I'm a paramedic of 8 yrs and I switched careers to be a diesel/compressor mechanic also do mobile Mechanic service work and with smart experienced teachers like you I learn how to improve my diagnosing skills and my confidence 😅

@malcolmmarzo2461 Год назад

This channel is a model of good teaching. As a professional educator, in academics, I have spent years learning how to teach by observing how good teachers work.

@chriswilliams6613 16 дней назад

Just watched the two electrical fault videos. Gutted this was only a two part thing 😢. Great explanations l.

@mikedurling2111 Год назад

This information is gold. As a guy who likes to wrench on his own vehicles I thank you.

@Yulian.Mladenov Год назад

I'm a car mechanic and i never think that actually the relay is a way to turn off and on something which consum lot of current with not strong switch. Thanks a million! Continue like that,the videos are great.

@martinlugus7242 Год назад

You not only know a lot of things, you are also a great teacher. Very impressive.

@jowls Год назад

I regret not having to see and subscribe to this channel when i was scouting for a car. Very simple and concise explanation, worthy content.

@qa7103 6 месяцев назад

Shrodingers box, ETCG and AMD, followed by Chrisfix, that's all a DIY car guy needs

@ThanosNokas Год назад

This is an amazing series. I understand that not everyone interested in cars will have the time or the will to watch it. For this reason I assume that it will not have the same engagement as your other videos. Nevertheless, the value is immense. Please know that they are great and helpful to most of us, even if the numbers don't reflect that. To sum up: Please continue!

@psilva2565 Год назад

I am very I fortunate to have found a mechanic that I have been using for 20 years that embraces diagnostic culture just like AMD does. I have never had to return a car for the same problem and he is not a parts changer, fixed the first time every time.

@OneLeapCloser 8 дней назад

Incredible job, AMD! A must seen video for everyone who owns a car!

@edilbertoduarte9221 Год назад

Thank you. You explain it very well for the dummies like me

@supersam1914 Год назад

Please continue this series . My favorite videos are when you troubleshooting a issue or these when your breaking down valuable theory we can use . Your the man

@kickerpunter8414 Год назад

I have to say, this video reached me in a way other videos, manuals, books, etc. hasn't. Instead of trying to memorize or work troubleshooting charts, understanding exactly what's going on, the purpose & components of the circuit, my logic/thinking was taking over & by the middle to end of the video I was saying it just before you did. That felt good. Thank you. Subscribed

@muhammedcevdedgali8238 Год назад

i have been reading diagrams for a week and not undersdanding anything till this video comes ..thank you so much sir

@mikecont9742 Год назад

I really appreciated the two electrical videos you took the time to make. All of your videos are very informative. You have a great channel.

@SimusaMiliko Год назад

Most technical explaination❤ ever

@blackace1295 5 месяцев назад

By FAR the best video explanation of wiring diagnosis I've ever seen and I've seen more than a few in my DIY journey. Thank you so much for doing this video.

@lancemcnab289 Год назад

This is so helpful for us DIYers, thank you for taking the time to share your knowledge!!

@gregjones382 Год назад

Just learning. I've got electrical problems with a truck I've been working on for over 2 years. Very excited. Thank you.

@seanstrickley3992 Год назад

I fix appliances for a living and this is gospel brother appreciate the video

@SM-bt4by Год назад

Amd you are a really good teacher and you make great videos, I always watch your new videos. Greetings from Sweden!

@fknbastages Год назад

I was excited for this episode. I wasn't disappointed. 🙂

@fks-pv8il Год назад

I am so happy I found your channel. You’re awesome!

@CoreMaster111 11 месяцев назад

I worked on my Cadillac and wiring diagrams were very simple and understandable. Every single possible variation had it's own deticated diagram. Book is also about a million pages long. My friends VW T4 bus, well you have one diagram that has 10 different variations based on trim level and year of production in a single diagram. Good luck figuring out what is what.

@danmadden1080 Год назад

Many thanks - from New Zealand.

@guloguloguy Год назад

THANK YOU!!, "TCCN", FOR GOING THRU SOME OF THESE VERY HELPFUL INSIGHTS, AS TO HOW TO INTERPRET SOME OF THOSE "TINY" DETAILS, ON TYPICAL AUTOMOTIVE ELECTRICAL DRAWINGS! I AM NOT/(WASN'T) WELL UP TO SPEED, ON MANY OF THOSE "SPECIAL" CODES, ABBREVIATIONS, STANDARD NOTATIONS", ETC. YOU HELPED, A LOT, IN BEGINNING TO UNDERSTAND SOME OF THESE COMPLEX NOTATIONS, AND, I THINK THAT I'LL HAVE BETTER SUCCESS, WHEN I NEED TO FIND THE "TROUBLE", AND, POSSIBLE WAYS AROUND IT! IMHO: THE MOST DIFFICULT, AND AGGRAVATING STEP, WAS TO JUST FIND THE NEEDED SCHEMATICS/WIRING DIAGRAMS!!!! I HAD TO SPECIAL ORDER A BOOK, WITH OVER 300 PAGES OF INFO, ON THE PARTICULAR CAR MODEL,(2008 SCION XD)... IT WASN'T EASY TO LOCATE THAT!!! AND, THIS BOOK, COULD'VE BEEN MADE MUCH EASIER TO INTERPRET!... I ONLY HOPE THAT THE ENGINEERS WHO DESIGN THESE COMPLEX SYSTEMS, MAY ALL, SOMEDAY, HAVE TO GO THRU THIS PROCESS, THEMSELVES!!! ...MAY GOD BLESS EVERY ONE OF THEM!!! 💥

@Mustang8846 20 дней назад

Another great teaching segment. Thank you.

@DJSkiddMarks 4 месяца назад

AS A FORMER experienced tech nition and went to asu of engineering I can say with a degree that pays $500,000 salary, this is by far the best explanation of any course you could ever get in ANY university.

@josevelazquez6222 8 месяцев назад

I want say thank you for this simple and clear explanation of electricity wire diagram ,we appreciate your time and dedication thank you so much again.

@abumjuamoses4575 Год назад

Thank You for the lectures.

@brianbunch3577 Год назад

I am a shop owner but not a technician. Your electrical diagnosis videos are very informative and I share with our team. I can’t wait to see more content on electrical diag!

@mikewaters6980 Год назад

You're a great teacher- a natural.

@momodoungum625 6 месяцев назад

I have never understood relays until I subscribed to your channel. Your explanations are pedagogic, logical and practical. I will live in this channel for ever!

@MarzNet256 Год назад

Wow. I can't believe how much I learned just from this single video.

@Alois_Schicklgruber Год назад

I love this channel. I just found it. If I'd seen this 30 years ago I would've become a mechanic. I had no idea how interesting mechanical things are.

@niloyu105 8 месяцев назад

Keep watching and support from Al Khafji Saudi Arabia 👍

@tomthumb3085 Год назад

Great, clear and concise presentation, thanks.

@carmonaaa5782 Год назад

Thanks for the videos I'm excited about these technical videos!! Electrical theory and diagnosis had been my weak point and super happy to see Toyota specific training/theory videos from a Toytota master tech online. I'm a Lexus tech currently working on becoming ASE/Lexus master certified

@KiwiPokerPlayer Год назад

I'm excited for them too, I'm not a professional mechanic, I just own a '93 Toyota Surf (manual transmission diesel version of a 4Runner for our friends in the US)... his explanation of what a relay does was the best one I've seen in terms of clarity and simplicity. Can't wait for more.

@DylanL69 Год назад

Electrical is one of my strong points you have to understand it to diagnose 90% or more on modern cars like sensors or computers that's the majority of the work

@KiwiPokerPlayer Год назад

@@DylanL69 I've been considering a career change. Will current auto electricians make the change to electric fairly seamlessly in your opinion? (Is it going to still be a "job" 20 years from now).

@DylanL69 Год назад

@@KiwiPokerPlayer no would have to go through more training to understand the electric cars but yes there would still be a job 20 years from now but I don't think we will be going full electric anytime soon even though governments are pushing hard for electrification the gas engine can still get more efficient so I personally think learning the mechanical engine and vehicle will still be around for awhile

@abes7181 Год назад

@@DylanL69 Why are components in a car being given ground instead of being given power? Isn't that the opposite of how it is in a house? Like a light switch in a house always has ground(neutral) or return path and is given power(hot) to function or else if you get a short you could get shocked because the switch is always hot. So that means most car components are always hot?

@jasperrodrigues7026 Год назад

May the Lord bless and keep you and your loved ones as well! Thank you so much for sharing your expertise and wisdom, I can only imagine how much time and effort you've dedicated to learning it all. You've helped me learn so much :) -Jasper

@rahulv4865 5 месяцев назад

I am in awe. thank You so much for explaining such complicated wiring diagrams and making them look so easy.

@Az-hn7xi Год назад

I always wondered about the electrical circuit in cars and how they work. your an amazing teacher

@nickayivor8432 Год назад

ACCOMPLISHED THE CAR CARE NUT 👍 Tutorial great thank you very much for sharing what you know with us great video Take care and have a great evening with all your family around you ACCOMPLISHED THE CAR CARE NUT From Nick Ayivor from London England UK 🇬🇧

@kjuirteerdserty9618 Год назад

Practical electronics... Thank you for this wonderful instructional video.

@Robb4d 11 месяцев назад

first vid ive seen of yours 2 mins in and i can tell ill be watching more concise presentation good stuff!

@vicyoslinuxofficial2607 8 месяцев назад

Bruh, what an amazing explanation of how a relay works! I always asked myself how a coil is used.

@georgebanman2258 Год назад

May the Lord Bless you and keep you too! Wow - I loved this video so much. My son and I are attempting to install a car starter on a 2007 Toyota Yaris (Manual Transmission) and am starting by doing lots of research and planning. Learning to read Toyota Wiring diagrams is part of this and you explained it sooooo well. A million thank yous!

@kamelaouali7144 17 дней назад

Really I appreciate your method of explaining , you are the best , wish for you all the best

@francescopiccoli8512 25 дней назад

Good Morning Sir. Please, why have you done only 2 videos about electrical circuits, this was so helpful and you can explain things very very well. Please, keep to expand with other topics. Your help is huge!

@DANNYN224 Год назад

Great video electronics is important if you can't read diagrams you can't fix the vehicle or troubleshoot it wiring diagrams is like a map usually you start from the top and read all the way to the bottom most diagrams have a 12v source on top of the diagram

@yiranjack Год назад

Hi AMD. This video reminds me the trade school days 6 years ago when I was in Montreal. A lot of good memories with all my teachers. Very educational , much appreciated.

@Len10293 Год назад

Another brilliant video

@mooseadjli2604 Год назад

Please part three ❤

@alanmcdonough3391 7 месяцев назад

Great explanation. Please continue this series

@gmoac Год назад

The wisest video i saw! Great! Im confident i can solve my problem from my Caravan '95. In Argentina nobody want to help me, is an old car with just 110k kms. THANKS!

@Jorgituzz Год назад

Maybe you should go ahead and release a book like scannerdanner did. I love your teaching skills. Besides getting educated, your eloquence is releasing dopamine to my nerve cells. (That’s a compliment)

@auginater4200 Месяц назад

Please release a part 3 in the series, Mr Car Care Nut, sir! Where you apply these philosophies in a live setting... please !

@michael.catapang Год назад

.Hands down for a very well explanation and thank you for sharing this knowledge.

@bracsim 11 месяцев назад

Glad to find this channel, no one explain it as good as this guy does, subscribed.

@pauljennings4248 Год назад

Thank you for the wonderful training. It is helping me to understand electrical troubleshooting. I have a 1981 car and the wiring diagram is so small I am having trouble reading it. I wish mine was as good as yours. Thanks again.

@andrewknudson8193 Месяц назад

Very good, this lesson works on commercial HVAC equipment too

@jimmyjack1896 Год назад

This education series is amazing! Electrical issues have always scared me but you been explaining the logic and theory so well that I'm starting to feel more confident now. Thank you so much for this valuable content. Keep up the great work, sir.

@johanlouw2106 Год назад

Excellant. ur faultfinding skills is very good, no wonder u r a master diagnostic technician.

@MrXerxes415 Год назад

Absolutely The highest training on RU-vid he should have been an art school graduate as well his drawings are lovely

@frundlemud 9 месяцев назад

You have a gift for teaching and I feel your enthusiasm. Very helpful.

@herbertsjeffrey Год назад

No better way have I spent my time today. So enlightening. Good channel. A veritable tool/medium to upskill as an auto-engineer. Thank You. God bless

@arvindersingh9891 Год назад

Very good video. One suggestion, please: it would be nice if you could please zoom into the diagram so that it is more visible for people who can't see fine print. Thanks for great content!!!