How to WIRE A RELAY to a switched circuit for auxiliary lights

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How to wire aux lights, fog lights, LED lights, light bar or anything else to a switched circuit in your vehicle the RIGHT way.. with a relay.
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We hope you enjoyed this video and will keep in mind that all information included is intended to be purely academic and in fact is only the opinion of D&E. We are not professionals, nor are we qualified to knight you a professional. D&E want to ensure that anyone modify or fixing their own vehicle does so in a safe manner which leaves the vehicle in a legal, roadworthy state. In short, DON'T BE A MONKEY WITH A TOOL BOX! If you don't know what you are doing, leave it the professionals!

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9 дек 2017

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Комментарии : 616

@billveder1071 3 года назад

OMG finally! Someone actually took the time to explain, illustrate, and point out exactly where each wire goes and what it's purpose. Dude thank you so much, I wish I could at least buy you a beer and btw I totally dig that custom headliner, it looks fantastic! Kudos and cheers my friend.

@nickshome2003 2 года назад

I second this. 💯👌👍

@gregorytrenhed8318 Год назад

Yes best demonstration ever

@Deontjie Год назад

I still don't understand why he said to use a relay to keep high volts out of the cabin. I understood that these lights and the witch is only 12 volts. Maybe it is the amps that is higher?

@michaelmeeks7649 Год назад

Great comment. I too am a fan of the headliner.

@mikezupancic2182 11 месяцев назад

@@Deontjie LED lights draw very low amperage these days, but if you add a bunch or lights, or have a large light bar you don't want the entire amp draw running through the switch. By using the relay you can get any cheap switch you desire, vs paying a pile of money for one that can handle the amp draw through it.

@EricASmith_B.P. 2 года назад

This guy is really easy to listen to and understand . He’s got great communication skills . I have been trying to figure this shot out for days watching vids . So glad I found this guy . Very knowledgeable

@andrehunter1295 8 месяцев назад

Agree with that, but I do it more easy way. Instead of external switch, I use high beam on cars or motorcycle work as a switch. Only need on wire joint with on of your High beam wire behind bulb or relay from the vehicle , so High beam switch on relay to your external lights - led. Instead of using switch and deactivate high beam when you meet someone. Use only high beam of the vehicle to turn off and on 🙂

@throbin2856 4 года назад

Wading through so much crap and totally useless vids before I found this... perfect description, perfect educational vid... thanks dude..really explained well and foolproof..

@DEInTheGarage 4 года назад

Glad you found it helpful!

@scottsprague3265 3 года назад

You have no idea how many videos I watched until I saw this one. It explains everything I needed! Life savor!

@DEInTheGarage 3 года назад

Glad it helped!

@ChocoSapper 3 года назад

Finally a real life actual use of a relay and switch, thanks so much.

@garywayne4577 3 года назад

The video is very well explained except when you mention low and high voltage it should be low and high current for the voltages are the same 12v

@DEInTheGarage 3 года назад

Yes, that is correct. thank you for catching that

@liyishazonketrading9580 2 года назад

Does the same apply for 24volt relay connection

@chris4144 2 года назад

The best video I’ve seen that explains everything perfectly, just put up my rock lights in my truck thanks to you

@tc9841 5 лет назад

Oh man, thanks! Nobody ever goes into detail on switch powering (Especially the safe ways to do so). Been looking for what feels like a few hours to finally find this.

@goodrabbi7176 2 года назад

Wish I could like this video twice! Great job with the the editing and keeping on task. Very enjoyable and informative. Thank you.

@mtbalot 5 лет назад

FINALLY after watching 10 bad videos, total clarity :)

@donerae8682 4 года назад

Yes every other video they are drawing diagrams circuits and confuse the shit outta me.

@mtbalot 4 года назад

@@donerae8682 resistance is futile lol

@Bullsfanforlife1 6 лет назад

Perfect explanation. I pretty much figured out a relay by wiring so many amps in my vehicles. Constant 12v, ign, remote, ground. Your video helped me visualize it all and put it together. Wiring in a switch for the relay is what was confusing me but now I got it. Thanks a lot man!

@islandvibesPh 4 года назад

This is probably the most accurate and clear instructional video I have ever watched. Good job man! 'currently working on an old hatchback, this is such a big help!👌

@DEInTheGarage 4 года назад

Hey, glad you enjoyed it.

@jessicaherzog7635 5 лет назад

FINALLY!!! The exact video I needed :)

@datawrangler81 4 года назад

Yeah Baby! EXACTLY the right vid.

@emillard1976 6 лет назад

There are a million videos explaining a relay and I’ve watched a lot of them. This is by far the best explanation I’ve seen. Thanks man!

@DEInTheGarage 6 лет назад

Glad it helped you! there is no reason this stuff need to be over complicated

@crackseller321 5 лет назад

The best explanation of this subject. You sir are a great teacher. Thank you so much

@DEInTheGarage 5 лет назад

Well thanks you. I am glad you found it helpful

@user-hj4bv6ur6j 4 месяца назад

Today it's was my best day, I learned what was always confusing me about the relay because every time when am adding accessories I use only fuse and I always wish to add relay but the problem is I don't know how it work. As from today I'll use it. Thank you so much man,,,you're STAR...

@katdeville 3 года назад

Love the headliner, and nice beard! Thanks for the better instructions. I'm a diagram/schematic type woman, and your showing your actual wires and the paper was more helpful than other vids I have watched. I'm finished looking. Thanks!

@gordonking7716 4 года назад

You broke it down just right and now I feel confident that I can handle my fog light installation for my cross country journey. I am heading back to Jersey from California in the next 30 to 60 days. I noticed your tag on your Jeep, so maybe its a Jersey thing why I was able to understand the proper way and safe way to handle this install. Thanks again, I will look forward to hearing some more things on how to maintain and upgrade my ride!

@DEInTheGarage 4 года назад

Thanks for the comment. Glad you enjoyed it

@colevieira9996 26 дней назад

Hey brother just wanted to say thank you for your video i was struggling all day trying to figure this out for a light bar and little did I know a video from 6 years ago was the answer lol I really appreciate the help sir!

@billa2709 4 года назад

You explained this perfectly! After watching 20 videos on this and having a general idea of how it works...your video really cemented it for me! Thanks man!

@bandolin1216 5 лет назад

I've watched at least 2 dozen of these videos that explain how to wire a relay and this one was by far the best and clearest one. Thanks!

@DEInTheGarage 5 лет назад

Glad it helped! Thanks for the feedback!

@nutz13_ 8 месяцев назад

dude you rock! the first video i've found that not only explains IN DEPTH how it works, but also shows how it works. i haven't touched electrical since 10th grade auto class (legit just soldering wires and doing butt connects + heat shrink, nothing actually powered), now i know i can handle doing the LED rear bar and the front LED bumper pods on my 89 YJ. Thank you for this video!!!

@gregd2020 3 года назад

I was lucky. This was the third video I watched and it was EXCELLENT. Put fog lights in the car but had no idea how to wire up a relay. Now I do!

@robertg.8830 3 года назад

This finally explained what I needed to know. None of the others did it, you sir are the best.

@DEInTheGarage 3 года назад

Thanks bud! Glad it helped!

@Dabbang786 5 лет назад

GREAT MAN 👍 Finally I watched a RU-vid video which taught me something I saw first time, never knew anything about how relay works.. Thank You

@dustinponce2033 3 года назад

He knows what's he doing. nice explanation good job 👏

@zachtobias6583 2 года назад

Thank you so much for this. I’ve been trying to figure out how to run my 4 cable lit switch to my new light bar and this finally helped me wrap my brain around what to do. The kit I bought came with a switch with three wires coming out of the back and it was ugly so I got a different switch and it had 4 wires so I had to figure out what to do and your explanations helped me get there! Thanks!

@luirradominican3871 5 лет назад

Thank you! you saved me from melting my rocker switch, I did the connection directly without relay it was heating up really fast, just solved my problem, regards from Dominican Republic, thanks again.

@DEInTheGarage 5 лет назад

Nice! Glad to help. You definitely don't want switches melting in your cab as you roll down the street. haha

@buck19 5 лет назад

Use thicker wire, too. A small wire will carry too much resistance over distance and heat up like that

@lostcause1206 4 года назад

The switch contacts aren't rated for the amps the lights use .so the power to the lights runs thru the relay and the switch opens and closes the relay .

@camrynejonobrien462 4 года назад

That was clear and perfect. Thank you very much. I have always used the supplied wiring kit for installing after market lights, this time I wanted to do it on my own and saved some money. That was the info I needed to know how to begin this project. Your awesome man. Ty.

@sawyerwolfe1886 Год назад

Thank you so much!! This is the only video out of at least 10-15 I’ve watched that actually explains and demonstrates what I needed.

@henrypeterson1981 22 дня назад

Thank You for explaining “Switched - Non Switched.”

@lorinhoude3421 3 года назад

I concur with Jessica Herzog!! The exact video I searched many days for thank you good sir!

@ourbills9999 3 года назад

Thanks for the clarity in explaining what a relay does and SHOWING how the wires are connected to the pins on the relay AND where the wires from the relay are routed to and connected. I finally understand what a relay does and how to safely wire auxiliary lights.

@jeremyhoward41 2 года назад

I know you made this a few years ago but thanks for making this! I have never wired anything before and I need to set up some lights on a plow... This is exactly what I needed!

@agenttaz 4 года назад

Great video ! This is a SIMPLE explanation of how a circuit with a relay works for lights or anything accessory. Great job! Now I know

@EdwinRodriguezRicandragon Год назад

This has to be one of the best video step by step with simply explanations how to install your lights out there. Great job! 👍

@loverboy3439 3 года назад

This Video is the 1st Video that I've had watch that show's in fine, slow, smooth, accurate Wiring Detailed Diagram how to wire up a Relay Switch. With Light's & With a Switch. Thank You for breaking it down so easy.

@getplaning 2 года назад

Small suggestion, enclose the wiring in black plastic harness shroud and tie-wrap it to any existing body harness or grill support struts. Use relays with mounting tabs and secure them to the fenderwell or bulkhead.

@fido3561 Год назад

One other suggestion. Every place you make a splice in the wires, use marine heat shrink and the reason I say this is marine heat shrink has a heat activated glue on the inside. When you apply heat to shrink it, the glue will get hot and stick to the wires making a better seal. Not saying that regular heat shrink doesn't do a good job, marine heat shrink does it better. Harbor Freight has a kit with different sizes at a lower price than an electrical shop.

@jeeper4life73 3 года назад

Yes! This brought my wiring job full circle. Thank you!

@sifilmaker 2 года назад

Nice job.. easy explanation.. using this info I wired a whole mess of LED lights onto my JK. Tku very much.. keep up the good work.

@drewevan4759 4 года назад

Wow, thank you for the thorough and informative video. I am trying to do auxiliary lights on my Ford F150 and this was the perfect video. Nobody went into detail on what circuits could be used for powering your toggle switch inside. Thanks again for a great video!

@DEInTheGarage 4 года назад

Glad it helped. Good luck with your project!

@chloscorner 5 лет назад

I've been googling & watching so many videos for the last week. WHY DIDN'T I FIND THIS FIRST. I'm a total wiring newb (I'm actually terrified of electricty after too many shocks). You make it sound doable even for me. (But I'll let ya know how it goes haha!)

@DEInTheGarage 5 лет назад

It really is a connect the dots kind of thing when you break it down. Color by numbers if you will. Good luck with it!

@GottaGoOutside 2 года назад

You made it easy for me to get my lights wired correctly. Many thanks!!!

@davidcrozier2812 Год назад

Thank you so much for putting this in plain English. This is the best video and explanation I have seen.

@virtualwolf0777 7 месяцев назад

You get a thumbs up from me. Thank you so much every other video I looked up wanted to draw on a board rather than show which wire went where. The biggest part that helped me out was how the switch wired up. That was the key that solved my issue. Much appreciated for the info.

@waddlescustom4637 4 года назад

Great video. First relay video that actually showed a start to finish with all the information. Keep it up

@dgarcia5555 2 года назад

Seen so many video on how to wire. Damn u knocked it out the park. Thanks bro

@thereckchanic4709 6 месяцев назад

You’re a damn good teacher to us that know nothing about wiring . Found just what I needed. Ty

@joepedroza4707 Год назад

This is the best explanation ive seen of all relay demonstrations on aYOU Tube. This was so helpful.

@SuperlativeRam 6 месяцев назад

Thanks, clear information, no confusion. 👏

@hankfrankly7240 11 месяцев назад

I am electric illiterate, but your vid is the best for understanding basic 12v wiring. Thank you.

@DEEPANKARBORAH 5 лет назад

I liked it. Your explanation is very good. Even you do recap. It's Excellent bro.

@MrHypervtwin 3 года назад

Thank you for the very useful information. Great job on the video. I learned something that I can put into practical use. Your step by step instructions were easy to understand especially by electrical wiring idiots like me!

@1homeboy815 4 года назад

I probably watched 10 videos about this and this is the one I understood great job man thanks

@yangonnerd6669 2 года назад

Man you thought me so much!! Thanks so much. Took me a while to find proper explanation as to why i might need a relay or not, and how to wire it! Awesome!! Can wire my aux lights on motorbike and my foglights on my car properly thanks to you!

@stevemcilroy9518 Год назад

If your in the UK, you need to use the main beam wire to the headlights for the 12v existing circuit , so the spots only come on with main beam, otherwise your vehicle will fail it’s MOT. Great explanation, thanks

@RENAN-om1or 4 года назад

Thank you for the video, now I can work on the terminals wiring 6 switches for different LED and a killing switch on my Jeep 😃

@dkrpulido Год назад

Best explanation for dumbies (Me) Never seen a better explanation than this one on anything. Well Done 👍 👌 ✅

@jamesbarlowjr.3762 9 месяцев назад

Very Simple Instructions! I Should Have Courage To Do It Now. Thanks So Bud! 🤝

@ebell036 5 лет назад

Thanks for the vid, this is exactly what I was looking for and it was explained perfectly. 👌

@theinfinitejoe 3 года назад

Great explanation. Just got a Cherokee and the owner gave me two pod lights with the car and I’ve been wanting to wire them up, thank you sir !

@ryanintopeka 4 года назад

Been a while since I futzed with a relay...I'm about to do this and this was SUPER helpful dude!

@DEInTheGarage 4 года назад

I am glad. Thanks!

@tldrafaik6144 2 года назад

Thank you for the clear and straight to the point explanation.

@lorenclifton110 2 года назад

Very nice. I was looking for a nice explanation for a relay. Being a total novice at this wiring stuff I found this very helpful. Thank you.

@peterrehberg3752 11 месяцев назад

Great vid. Easy to follow. Adding fogs to my recently purchased blazer. Been years since I've done this kinda work so it was great to reacquaint myself with the steps. Excellent

@felipecortez3071 5 месяцев назад

Thanks for taking your time and explaining how this works with apples and oranges i appreciate it bro

@Kitana68 5 лет назад

Excellent Video! Kudos for keeping it simple.

@jorge88413 5 лет назад

Thank you for posting this video, It helped me a lot !

@Pizzareviewer 3 года назад

Got bless you brother I was losing sleep before I found this lol .. makes it all much simpler 🙏🏼

@DEInTheGarage 3 года назад

Glad to help!!

@victoriracheta1361 2 года назад

Man did you help me out, just wired up some fogs on my ford , thanks man great video!

@patriotswillsurvive1893 4 года назад

Thank you, just what I was looking for.

@ericgunnyporter8964 2 года назад

Man!! Great video you have explained it so clear thanks.

@fastback777ray 4 года назад

thanks, very well explained. i was searching exactly for something like this.

@punityaduvanshi730 4 года назад

Brother this is the most exact and clear cut explanation ever no bullshit..

@DEInTheGarage 4 года назад

Thanks! Glad you enjoyed it

@TheNorth35 4 года назад

Just what I needed to see. Making my life a lot easier. Thanks.

@rodneysoto9555 3 года назад

Best description I have seen. Thank you

@VIW3784 2 года назад

Great video, very easy to follow and does exactly as intended, thanks for the help 👍

@arvinmiranda7855 10 месяцев назад

Thank you,this video really helped me to do and finished my car fog lights...👊👊👊👊👍👍👍

@DEInTheGarage 10 месяцев назад

Glad it helped! Thank you for the comment

@iwijon Год назад

Excellent and simple explanation, a breath of fresh air.

@Xactox 4 года назад

You nailed it with this video man. Thanks a lot.

@armystrongmom 4 года назад

Best relay video yet!

@Trackhoe075 Год назад

Never understood a relay until this video thank you so much I will probably do the top half of you sheet although I do fully understand the switched part now too