How to Test an Alternator ( Testing the Voltage Regulator, Diode rectifier and Stator)
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- čas přidán 15. 05. 2024
- This video will cover the following
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How to test an alternator using multi meter
How to replace an alternator
How to diagnose alternator charging issues
Alternator ripple test
How to test a voltage regulator in an alternator
How to replace bearing in an alternator ( Alternator brush replacement )
how to test a rectifier in an alternator
How to test diodes pack in an alternator
How ecu controlled / computer controlled alternators work
How to test drive belts in a car
How to replace a decoupler pulley
Diagnosing no charge , undercharging , overcharging alternator with multimeter
How to fix a rattling alternator
How to test fuses and relays
How to test alternator duty cycle
How PWM ( pulse width modulation basics ) works
How to read waveforms
why your battery light is on
How to find a voltage drop
how to use a multimeter
How to find a overnight parasitic battery drain
How to repair an alternator and finally, Deciding on brand new vs remanufactured
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I have a question about my vehicle do you have a email I can message you at?
I have kind of dirty but perfectly working alternator, but it's kind of plug up with all kind of junk is there proper way to clean the alternator inside component's? and what it's proper way to do it
Very helful vidios
Sar. plese show me how to chek ulternet motor (capacitor) rely
Hi
I am an electrical engineer of some 40 years experience. Your presentation is excellent. Your English is very good. Your video skills are very good. I like the use of gloves , I like your camera skills. Top marks...
100% the best alternator video on the internet. This cat showed me how to test everything in the circuit. Testing the pins on the connectors was a massive help. I needed to know if the PCU was sending the signal to the alternator first of all. Taking the alternator apart is out of my wheel house. I just needed to pinpoint my defective part. This homie crushed it.
Hands down, one of the most informational and concise videos I’ve ever watched. The only way he could tell you more about an alternator is to show you how they wrap the copper up into a spool. Came here due to an overcharging alternator (first one OVERcharging in my 38 years of being a driveway mechanic) and was able to diagnose it thanks to this video. Thank you for such an awesome video!
Could not agree more. It goes to show how many YT "experts" only know enough
to be dangerous.....
@@lukula2934 Right?! They help you out, alright…. Help you right i to the back of an Ambulance (or Hearse). 😬😬😬
I agree!
It's people like that makes CZcams a great source of information. Thank you for your efforts.
You are Knowledge Hub. Great....
your patience, dedication and keenness to detail is much appreciated
My car stopped while driving. Thanks to two of your videos I diagnosed a bad connection between the positive terminal of the alternator and the battery ,gosh, I'm even speaking like a pro :) , I would like to give you a thumbs up for every euro you saved me. Thanks bro!
I am a technician,and this video very good with correct information. Not sure why anyone would give you a thumbs down.
The most detailed video on how to test, diagnose and repair an alternator. Thank you!
I found myself pausing frequently to try to absorb all your excellent information. Wow. Thank you.
This is the most detailed instruction for testing alternator I have ever seen.Thanks a lot.
Now THIS; in my humble opinion, is what the internet was created for. To SHARE INFORMATION! (at one time called "the information superhighway") And this man did a damned good job of it!
The is the best and most comprehensive video on alternator testings and diagnosis
I've watched quite a few DIY videos on CZcams and this is by far one of the most detailed and clear.
Very educative
I especially appreciated the testing of the cables and ground for voltage drops. These are often overlooked and and multiple, small, voltage drops can add up to trouble.
This is the BEST video I have seen on the charging system. I never buy a new alternator or starter. I always rebuild them for a few bucks. I will not pay 300 or more for a new alternator or starter. Thank you for such an informative video.
This is the only alternator video I’ve found on YT that covered what I actually needed know. Well done and thank you.
Definitely the best video on this! Not only explains what to test, but why - and exactly what each component should be doing.
Thank you
This must be the best tutorial i have seen. Easy to follow and well illustrated. Thanks so much!
So far [~20yrs] the best alternator vid on the t00bs
Sir, this was beyond GREAT! I followed the steps for checking a faulty alternator and found out that my friend's vehicle's alternator died due to running a 5+ year old battery
This is a GREAT tutorial! Technically right on, and thorough demonstartions and explanations! You know your stuff, DIY Junky! Thank you so very much!
the effort you put into these videos is phenomenal
thanks buddy
Air Field lighting system how to use CCR and MCR and check the transformer
Increase your vocabanizzle
I like how you measure for voltage differences between the terminals and their endpoints - eliminating connection problems. It's a good method for any older vehicle.
I've got a wide range of interests that I look up tutorials for and there's a very good chance this is the best I've ever seen - thanks!
Excellent. Does not waste time on simple actions. Goes deeper than many such sites.
I just wanted to thank you for being so specific when explaining how to test and what to expect to see. This is the best video online. Trust me when I say I have watched and or read almost everything available online and not one comes close to being a thorough as you. I have been trying to figure out why my new alternator and new battery in my 2002 c320 still is not charging I found myself in an under information sh&% show. Thanks to you I have all the information needed, so that I can go back out to my car and have a good chance in figuring out my issue. Thank you so very much for your help. Keep up the amazing work. its really appreciated. :)
thanks mina
Did you figure it out?
Your video is very professional and brilliant - I have a 1996 Volvo 940 fitted with a Denso alternator (100/14) - some time ago it started to make a whining noise. So far, I have replaced the bearings and drive belt - The Alternator is in outwardly good condition but the Whine persists. With the engine running, the whine is stopped when the large battery lead is disconnected from the alternator and resumes when the lead is reconnected. It has been suggested to me that the noise may be coming from the rectifier.
That was a clear explanation on what or how the the car alternator works. I appreciate this video so much!
Superbly explained video. Clearly a very knowledgeable individual who knows his alternators and automotive electrics. Thank you for making, editing and uploading this reference quality tutorial. 😎👍
The most informative video I've ever seen on CZcams 👌🏼
Well done mate.
Please continue making videos like this.
I wish you all the best and good luck 🙏🏼
I HAVE TO SAY THIS HAS BEEN THE BEST CAR TUTORIAL I HAVE SEEN
Whoever narrated this did a way better job than the f****** school I went to dude you're awesome
An exceptional demonstration of automotive mechanical, electrical knowledge. Shared so others can learn and gain from your experience and hard work. I take my hat off to you friend. Well done.
Thank you for taking the time to put this together!
Best alternator video on internet thank you 😮
I know I'm basically repeating what another reviewer said but it popped in my head before I read their comment so I'm about to say it now:
This is the most comprehensive review of an alternator I have ever seen
Keep'em coming
A genuinely thorough and helpful video! Thank you!
Information in detail, no bullshit...
Really good, keep it up!
I think my heart just grew two sizes larger to make room for Junky DIY guy.!!!!
Very well done mate.
Best video on alternators I have seen yet!
I totally agree! The Junky DIY guy explains alternators perfectly.
Phillip Suitt
I totally agree with you.
Best alternator video I've ever seen. Good job!
You are an awesome man. Explained everything. Thank you, thank you, thank you Sir!
very nicely explained. i would like to add couple of things plz excuse me. while checking the rotor & stators also check their ground resistance. i.e their should be very high resistance between slip rings & its shaft, also between stator & alternator's body. thanks
really appreciate the time and effort you put into making this video.your method of explanation makes it so easy to understand every detail.thank you so much.
Wow! That was quite replete. I honestly didn’t know there was that much to know about an alternator. I’m certain to watch this several times to absorb all the information. Thanks.
Best video on alternator testing yet! Exactly the information other videos don't include. Thanks
Amazing, clear, concise and informative. Love the video man!
this is such a well made video.. exactly what i was looking for.. thank you for making amazing content
It is a long video however you put so much information in it and it’s very helpful
You explain really good! Thank you!
thank you for your great videos! I'm not a mechanic but learned quite a bit from your vids
Fantastic video, thank you. Very informative and easy to follow. Well put together, and thought out.
Videos like this is what make CZcams great.
Outstanding!! Thank you for taking the time to make this very detailed video!
Best DIY video I've seen on CZcams. Great job. Going to subscribe.
A great thank you from France. You are very fast speaking but I can understand with the subtitles. Your video is quite complete and it helps me much in my problem with my Honda FR-V.
very precise demo and lecture . Thanks !
Your videos are very well done. Thank you for the detail.
One of the best DIY videos I've come across lately, nice job
This is by far the best video on alternators I have seen! great job!
Excellent video, thorough and easy to understand explanation!
W0W! Talk about Testing to depths I never knew existed! Thanks! . . . _now > to test my brain for efficient 'holding power'_ = )
سلام سپاس ودرود بیکران الهی بسیار متشکرم استاد مهندس گرامی وباشکوه
وهزاران هزار 👍...👍...👍....بهترین ارزوها را از خدای مهربان برایتان دارم...ممنونم...👍.......
my alternator is on a 94 previa, recently the headlights, dash and dome light intermittently dim and brighten slowly like im flashing someone with my headlights but its very subtle but noticeable. been watching videos on how to replace some of this stuff myself as i cant buy a whole new alternator right now. very informative vid, thank you!
Wow, best explanation ever straight to the point.
I just became an expert on automotive batteries and alternators.
MzMa
Nice sharing my friend
This guy knows his stuff. Thanks, going to test voltage tomorrow on an old tractor with possible bad alternator.
Great presentation, very informative. 5 star!!!
Thank you so much for an informative video. I have a parasitic drain and have pulled every single fuse in the car and it does not make any difference. Put a voltmeter switched to AC across the battery and wow, 29 Volts AC! That looks like a bad diode in the alternator!
this is one of the best alternator diagnosis videos on CZcams. Thank you!!!
Hats off to you my dude, your a beast by covering all angles! Much love
You are a great teacher! Thank you. No hesitation here to subscribe. All the best to you!
Brilliantly laid out step by step explanations and visual points! My friend I have legitimately gone through hundreds of videos here on CZcams and yours was by far thee best in this category! I'm going to be in here like swimwear and dive right into your other videos!
Very well done mate!! And thank you for creating this channel!! 👌
Thank you very much
Very good presentation!
So much information requires regular reviews, but its all there. Thank you!!
Great work. Thanks for taking the time to make such a clear, informative video.
Very very good, best alternator class ive come across
Wow, this was informative. Thank you and I'll be checking out your other videos! (:
ha haa thanks,
You did a good job man I'm just a guy that worked under a quad Master certified mechanic that love to teach. You hit on all of it. He made me a mechanic where most people want to be a mechanic. I never use a book only for torque specs now that I'm not a active mechanic tend to watch a CZcams page for surprises that book won't tell you the surprise once in the job
Very clear explanation on how the Alternator works and ways to check the components in it.tqvm sir.
Very educational. Thank you. Great video.
Everything you need to know about automotive charging systems, great video!!
Oh man, this is the best. I've watched a ton and you sir are a master. Thank you!
Wao!!!!!!! This is like the most awesome video I have seen on youtube. The amount and quality of information it contains is invaluable. Thanks
good job , for sure one of the best videos outthere
Mate, you're a legend, cheers
Very good - extremely useful. You speak so quickly, my slow brain takes a while to take it in and i have to pause the video!
My goodness one of the best instructional videos I've ever seen
I learned more information on here than in my Automotive class. Lol
👍👍👍👍
Phenomenally informative video!
My car was overvolting like crazy and I suspect it's a bad ground.
Thank you for such a detailed video, absolute perfection.
Very simple and clear explanations to help the DO IT Yourself people.
Wow, I remember when your channel was only 24k subs! You're gettin pretty big, congrats!
Thanks corzero
Thank you Sir! Informative, succinct, articulate, and knowledgeable, also well produced video; without redundancy and unnecessary chatter. You are without a doubt among the best. I am now subscribed.
One of the very few useful videos! Great job!
Feels like I was in a mechanics class. Nice video and explanation.
646 dislikes jealous of this great video. Thanks for making it. One comment: I wouldn't want to risk putting the meter there while the car is starting, the surge voltage could damage it.
great video🚗 thank you ☺☺☺
This was an excellent video, well produced and easy to comprehend. Thank you.