What is a relay? Learn how relays work and all about Faradays Law of Induction plus way more! @wayofthewrench
What is a relay? Learn how relays work and all about Faradays Law of Induction plus way more!  @wayofthewrench
Uploaded April 2020 | Updated September 2026, 2 weeks ago
This episode is everything you wanted to know about relays but were afraid to ask! You will also be learning all about Faraday's Law of Induction and see why it is soooo important to a ton of different car parts in your vehicle. You learn this stuff and you are well on your way to become a gearhead.

Here is another episode of a brand new series on how to become a GEARHEAD! If you have ever wondered how people know so much about cars and are absolutely crazy about anything with a motor, then this is a great series for you. This is geared towards people that have no knowledge of cars but want to learn; however, the content in my videos does try to make solid connections between theory and practical applications so even seasoned gearheads will find the info useful.


00:30 - what does a relay look like?
01:21 - where can I find a relay?
01:45 - What does a relay do?
03:42 - What is Faraday's Law of Induction?
04:52 - Faraday's Law shown through electromagnet
05:36 - How Faraday's Law works inside a relay
06:21 - The reverse of Faraday's Law shown with magnets.
07:34 - all of the car parts that work off of this principle
08:52 - the inside of a relay shown working
09:23 - how to test a relay with power supply and a 9V battery
12:08 - a working circuit with a relay shown
13:17 - helpful tricks to test and fix circuits with a possible bad relay



This video is filmed and edited with all new gear and it looks loads better than previous videos (let me know what you think!). I also tried a bunch of new filming angles and techniques to make a more entertaining video for you. I hope you find it interesting and feel inspired to start working on your own vehicle.

If you have any questions about relays or the new series, please feel free to comment and I will get back to you as soon as possible.

If you would like to keep up with behind the scenes info, pictures, and videos, follow us at instagram.com/way_of_the_wrench.


If you enjoyed the video and/or learned some cool tech tips, I would appreciate a like and a subscribe so I can be inspired to create more videos and continue to make better content for you guys! Thanks for watching and if you hit the post notification bell, you will know when our next videos are out!


If you have any ideas for future content for this new series, please leave a comment down below!!


Music for this very special episode by :


Propeller - Silent Partner (No Copyright Music)
https://www.youtube.com/watch?v=9PbeY...




Thanks to Teknoaxe for his royality free music for our intro/outro music. Please check out all of Teknoaxe's sweet music tracks!

teknoaxe.com


Intro music is Synthwave D

https://www.youtube.com/watch?v=WNDvO...



Outro music is Sythwave E

https://www.youtube.com/watch?v=RBxnY...



Way of the Wrench is looking for a collaboration with any Youtubers out there hard at work making royalty free music, just send me a message with your link for consideration.


Disclaimer: These videos are intended for entertainment and inspiration. Working in a woodshop, metalshop, or autoshop is dangerous without proper safety and experience. Always seek professional advice and training before using any power tools/machinery. If you have any uncertainty before performing any shop procedure, stop and learn a safe method/technique. Do not attempt anything simply because you saw it in one of my videos. Be smart, use common sense, respect your power tools/machines, and be safe.
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What is a relay? Learn how relays work and all about Faraday's Law of Induction plus way more!

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