How To Wire An Automotive Relay Switch, With Diagram, 4 Pin

How To Wire An Automotive Relay Switch, With Diagram, 4 Pin

Wanderlost Overland

4 года назад

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@UNO3598
@UNO3598 - 07.09.2024 20:47

I am 12 in my honda they are fog lights they dont work i got new switch but the fog light only work when i connect 2 wires and it gets heated plss help me i think my relay is fine i need more explanation 😢❤

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@rwarts5150
@rwarts5150 - 07.09.2024 09:45

Great video Sir 👍 I know very little about automotive wiring but I thought I knew enough to extend the ground wire from the relay 6 inches using the same gage wire but after doing this seemingly simple thing the lights don't work yet the red and green lights on the switch work and fuse is still good so I have no clue what happened or how to fix it ?

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@kenhogan1433
@kenhogan1433 - 01.09.2024 02:16

So am I right in thinking that 85 and 86 are the low amp side switching the high amp live through 30 and 87?

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@thisthatwhatsup-mh3hq
@thisthatwhatsup-mh3hq - 22.08.2024 01:53

Is it possible to have an on and off switch manual hooked to my fan relay inside my engine fuse box? So I can turn it on manual if I need to instead of the coolant temperature sensor turning it on or when the air conditioner is on. I would rather have control of that sometimes

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@RedEyedITguy
@RedEyedITguy - 08.08.2024 03:33

They're called "spade connectors" and a "fuse tap."

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@gabe8976
@gabe8976 - 05.08.2024 22:17

Can you have the in-line fuse between the relay and the accessory, rather than between the battery and the relay? I was gonna go battery - relay - circuit breaker - accessory fuse block

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@edwardcarlin1
@edwardcarlin1 - 14.07.2024 14:24

Hi! Can I run 24 volts from 30 to 87 and 12 volts on the trigger (85/86) switch? I'm planning to install a 24v airhorn in my car and I just bought a 24V boost up converter.

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@ceyhankaracolak40
@ceyhankaracolak40 - 01.07.2024 23:44

Ustalarım bende laguna1 volvo motor 140 beygir n70 motor şu tankkı yanında iki tane siyah kutu içinde reley role bunların numaları aynımı olacak bunlar birı benzin rölesi biri bobin rölesi biri bunları kaç anper kaç numara olduğu anlatabilir mi tesekkurler

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@eddlovekutsiwa9
@eddlovekutsiwa9 - 29.05.2024 11:24

You are great, thanks a lot

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@jrmcdaniel9729
@jrmcdaniel9729 - 07.05.2024 22:22

What if I have a "dual function switch"? For instance, meaning a switch that does an "up" and a "down" function? Is it ok to hook up both function wires to 86 and it still perform correctly?

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@vahagnmelikyan2906
@vahagnmelikyan2906 - 11.04.2024 07:34

Nvm found it😂

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@vahagnmelikyan2906
@vahagnmelikyan2906 - 11.04.2024 07:27

What's the name of these relays that switch from one to another?

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@davidyj9013
@davidyj9013 - 05.04.2024 15:49

Have yet to see anyone address the dilema of why the schematic embossed on the side of the cover shows one of the contacts labeled as 30, but then the actual spade terminal (or pin) is marked 87a. They are the same!

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@jorgeluis1588
@jorgeluis1588 - 19.03.2024 06:33

Can a relay be used with a reverse polarity switch ?

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@SouthernTexasVaqueros
@SouthernTexasVaqueros - 29.01.2024 03:47

By far the simplest explaining I’ve ever heard. Great info !! 👍🏼👍🏼👍🏼

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@MrRoostersmoke
@MrRoostersmoke - 17.01.2024 10:19

Thanks for the info!

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@antonioibarra6858
@antonioibarra6858 - 19.12.2023 08:37

Thanks for your video

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@JaceD4V1S88
@JaceD4V1S88 - 17.12.2023 16:25

so im trying to connect a horn to my security system, i have one wire thats 12v for the beeps when i lock and unlock, and another 12v wire that pulses
the horn when alarm is triggered, i need to connect those two wires to a relay that goes to a single wire to the horn so the horn does both functions. the honk
when i lock n unlock and pulse when it goes off. which relay would i use?

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@argentosebastian
@argentosebastian - 28.11.2023 03:49

Do you know the color code for the different connectors in the relay?

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@tomasdabasinskas8977
@tomasdabasinskas8977 - 19.10.2023 16:16

Thanks a lot!

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@habakkuksam
@habakkuksam - 13.09.2023 11:22

I have learn alot from your channel congratulations 👏

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@TheMgd2929
@TheMgd2929 - 06.05.2023 05:05

Does it have to be ground to metal under the hood?

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@JamallWilliamH
@JamallWilliamH - 22.04.2023 02:21

Love this explanation. You saved me, wiring up air horns on my Yukon🎉

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@MrBill2U
@MrBill2U - 07.04.2023 20:03

Thank you for explaining this and making it very easy to understand.

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@j81851
@j81851 - 05.04.2023 15:33

Sensible. Practical. Knowledgeable. Contrary to what most videos end up being this one is accurate and to the point. You are a very friendly and relatable presenter with great ACCURATE (sorry if I shout but as an electrical instructor I am so excited to find your channel) material worth viewing and using!! Please keep it up.

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@frankoneyjr.4515
@frankoneyjr.4515 - 28.03.2023 17:58

Great video !

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@willyacevedo605
@willyacevedo605 - 15.01.2023 01:51

Instead of lights how would I wire in my starter? I'd like to use my cargo light switch as an ignition kill switch.

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@paulacabbo466
@paulacabbo466 - 01.01.2023 04:09

for most applications you want to get a normally open relay

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@Luui2x
@Luui2x - 14.12.2022 05:20

can i do 40a mp relay with a 30 amp fuse and 20 amp switch?

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@garykreutzer1239
@garykreutzer1239 - 12.12.2022 07:54

I going to install 6 lights(50, 30 and 4 pods) on 4 circuits. Should I run a #10 to a buss bar and tap off for the 4, or just run 1 wire and pigtail the relays from it, or run one 12 ga from the battery for each circuit?

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@Bobodeman
@Bobodeman - 29.10.2022 06:27

Im wiring spotties up for my bike. Does the switch still get wired to fuse box? And what if the switch has a light?

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@BoomingCreation
@BoomingCreation - 13.10.2022 01:02

Coming from a power source on the switch side, what size wire would be recommended since most of the current is going in thru from the battery

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@vansonmafeet734
@vansonmafeet734 - 11.10.2022 22:59

Okay, so the LED lights I bought for my vehicle came with all the necessary wiring and a relay. I ran the black wire from it to a good neg grounding point. I ran the red wire w/ inline fuse to the +pos terminal on my battery. I've blown 2 15amp fuses trying to test the lights 2 different times. What gives?

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@mastro3084
@mastro3084 - 01.10.2022 13:42

So one wire of the switch is grounded to the body and the other goes directly to the relay?

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@brennanpaucke2066
@brennanpaucke2066 - 24.09.2022 04:46

If you have multiple lights, do you just splice them together before connecting them to the #87 terminal on the relay, assuming, combined, they're still less than the max amperage of the relay box?

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@ll-GUTZ-ll
@ll-GUTZ-ll - 12.09.2022 17:29

Would I be able to do this with a starter relay, and would I have to wire it straight to the starter?

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@christoph404
@christoph404 - 02.08.2022 15:08

Greetings from Scotland, very straightforward and easy to follow! many thanks! that helped me with some work I'm doing on my old TR6 car, here we call those yellow connectors "Spade Connectors", I'm sure they might get called something else in other parts of the world.

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@kernchapman
@kernchapman - 07.07.2022 16:13

Think of your relay as a switch....that gets turnes on....

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@mohammad45h
@mohammad45h - 21.04.2022 06:39

سلام سپاس وهزاران 👍
استاد گرامی لطفا در مورد سیم کشی جامع و کامل و تقسیمبندی کلی سیمکشی اتومبیل ها وتقسیم بندی تفکیکی بخشها بصوری که بتوان در تشخیص سریعترین نحوه عیب یابی کمک نماید زحمت بکشین
ممنونم ...منتظر پاسخ ونتیجه شما هستم...👌👌👌👌👌👌👌👌🙏🙏🙏🙏🙏🙏

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@geoffreydlin8043
@geoffreydlin8043 - 28.03.2022 23:04

There are two things I don’t understand.

If we add auxiliary lights, cooling or whatever… How do we know that it is not over taxing the charging system of the vehicle itself? That is, when is it too much load on the floor later?

If you use a circuit extender into the fuse box and add amperage to it, the wire running to that circuit is still of a certain gauge. How do we know that we are not overburdening it?

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@amitabhasaha9784
@amitabhasaha9784 - 20.03.2022 05:36

Do 5 pin automotive relay requires an additional diode?

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@gauravjaiswal5354
@gauravjaiswal5354 - 19.02.2022 20:49

Greetings!
Can we use 12v 30amp relay in place of 12v 40amp relay?
Plz guide.

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@avelinovelez5090
@avelinovelez5090 - 03.02.2022 02:13

Thank you very much great video very informative 👍

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@stevenvision3612
@stevenvision3612 - 22.01.2022 10:53

How come some wire harnesses have the power for the switch from the fuse going to the battery? While some do the add a fuse?

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@kirkhustle3718
@kirkhustle3718 - 03.01.2022 07:21

It's so easy a Lowlander can do it, thx boss!!

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@childhospital7280
@childhospital7280 - 30.11.2021 13:29

simple and beautiful illustrations

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@kabandajamir9844
@kabandajamir9844 - 28.11.2021 04:28

The world's best teacher

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@kabandajamir9844
@kabandajamir9844 - 28.11.2021 04:26

So nice

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@p2o8wer
@p2o8wer - 17.10.2021 01:22

Do I have to run to the fuse box? Can I run the switch straight to the relay 86?

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