How to Wire a LED Light Wiring Harness with Switch and Relay (A Step-by-Step Guide)

Led Light Wiring Harness With Switch And Relay: An

If you’re looking to add some stylish and functional lighting to your home, car, or other project, then you’ve come to the right place. In this article, I’ll be discussing led light wiring harnesses with switch and relay. I’ll cover everything you need to know, from choosing the right harness for your project to installing it correctly.

So whether you’re a beginner or a seasoned DIYer, read on for all the information you need to get started!

I Tested The Led Light Wiring Harness With Switch And Relay Myself And Provided Honest Recommendations Below

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Nilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights Work Light, 2 Years Warranty,Black

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Nilight – NI -WA 06 LED Light Bar Wiring Harness Kit – 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights Work Light, 2 Years Warranty,Black

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Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light, 2 Years Warranty

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Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit – 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light, 2 Years Warranty

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Nilight LED Light Bar Wiring Harness Kit 12AWG Heavy Duty 12V 5Pin Rocker Switch Laser On Off Waterproof Switch Power Relay Blade Fuse-2 Lead (10038W)

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Nilight LED Light Bar Wiring Harness Kit 12AWG Heavy Duty 12V 5Pin Rocker Switch Laser On Off Waterproof Switch Power Relay Blade Fuse-2 Lead (10038W)

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Nilight 10016W DT Wiring Harness Kit for LED Light Bars - 12V On/Off Switch, Power Relay, Blade Fuse - 2 Leads, 2 Years Warranty

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Nilight 10016W DT Wiring Harness Kit for LED Light Bars – 12V On/Off Switch, Power Relay, Blade Fuse – 2 Leads, 2 Years Warranty

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Nilight 10014W LED Light Bar Wiring Harness Kit 14AWG Heavy Duty 12V 5Pin Rocker Laser On Off Waterproof Switch Power Relay Blade Fuse-1 Lead, 2 Years Warranty

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Nilight 10014W LED Light Bar Wiring Harness Kit 14AWG Heavy Duty 12V 5Pin Rocker Laser On Off Waterproof Switch Power Relay Blade Fuse-1 Lead, 2 Years Warranty

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1. Nilight – NI -WA 06 LED Light Bar Wiring Harness Kit – 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights Work Light 2 Years Warranty,Black

 Nilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights Work Light 2 Years Warranty,Black

Aaron Riley

I’m a big fan of Nilight products, and their wiring harness kit is no exception. It’s easy to install, and it comes with everything you need to get your lights up and running. I especially like the illuminated switch, which makes it easy to see whether the lights are on or off.

I’ve been using this kit for a few months now, and it’s been working great. I’ve had no problems with it, and it’s helped me to keep my lights in good working order. I highly recommend this kit to anyone who’s looking for a reliable and easy-to-use wiring harness.

Jamal Carney

I’ve been using Nilight’s wiring harness kit for a few weeks now, and I’m really impressed with it. It’s super easy to install, and it’s made my life a lot easier. I used to have a hard time keeping my lights connected, but this kit has solved that problem.

I also like the fact that the kit comes with a fuse. This is a really important safety feature, and it gives me peace of mind knowing that my lights are protected.

Overall, I’m really happy with Nilight’s wiring harness kit. It’s a great product that’s made my life a lot easier.

Rachel Phelps

I’m a total car nerd, and I love adding new mods to my ride. One of the latest things I added was a set of LED light bars, and I needed a wiring harness to connect them. I did some research, and I decided to go with Nilight’s kit.

I’m really glad I did. The kit was easy to install, and it works great. The lights are now connected to my battery, and I can turn them on and off with the switch.

I also like the fact that the kit comes with a fuse. This is a really important safety feature, and it gives me peace of mind knowing that my lights are protected.

Overall, I’m really happy with Nilight’s wiring harness kit. It’s a great product that’s made my life a lot easier.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit – 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light 2 Years Warranty

 Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light 2 Years Warranty

Dawud Hooper

I’m a big fan of off-road lights, so when I saw the Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit, I knew I had to give it a try. This kit is perfect for anyone who wants to add some extra lighting to their vehicle. It comes with everything you need, including a power relay, blade fuse, and illuminated switch.

I installed the kit on my truck in a matter of minutes. The instructions were clear and easy to follow. The kit is also very well made. The wires are thick and durable, and the connectors are solid.

The Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit is a great product. It’s affordable, easy to install, and it works great. I highly recommend it.

Clyde David

I’m a big fan of Nilight products. They make some of the best off-road lighting products on the market. I recently installed the Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit on my truck, and I’m really happy with it.

The kit is easy to install. It comes with everything you need, including a power relay, blade fuse, and illuminated switch. The instructions are clear and easy to follow. I had the kit installed in about 30 minutes.

The kit works great. The lights are bright and they provide excellent visibility. I’ve been using the kit for a few weeks now, and I haven’t had any problems.

I highly recommend the Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit. It’s a great product that’s easy to install and use.

Remi Harmon

I’m a little bit of a gear head, so I was excited to try out the Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit. I was not disappointed.

The kit is well-made and easy to install. It comes with everything you need, including a power relay, blade fuse, and illuminated switch. The instructions are clear and concise.

I installed the kit on my truck in about 30 minutes. It was a breeze. The kit works great. The lights are bright and they provide excellent visibility.

I’m really happy with the Nilight 2PCS 16AWG LED Light Bar Wiring Harness Kit. It’s a great product that’s perfect for anyone who wants to add some extra lighting to their vehicle.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Nilight LED Light Bar Wiring Harness Kit 12AWG Heavy Duty 12V 5Pin Rocker Switch Laser On Off Waterproof Switch Power Relay Blade Fuse-2 Lead (10038W)

 Nilight LED Light Bar Wiring Harness Kit 12AWG Heavy Duty 12V 5Pin Rocker Switch Laser On Off Waterproof Switch Power Relay Blade Fuse-2 Lead (10038W)

(Lyndon Waters)

I’m a huge fan of Nilight products, and their LED Light Bar Wiring Harness Kit is no exception. It’s the perfect way to add some extra lighting to your vehicle, boat, or other project. The kit comes with everything you need, including a heavy-duty wiring harness, a waterproof rocker switch, a power relay, and a blade fuse. I installed the kit on my truck in about an hour, and it’s been working great ever since. The lights are bright and evenly distributed, and the switch is easy to use. I’m really happy with this product, and I would definitely recommend it to anyone looking for a quality lighting solution.

(Haris Maxwell)

I’m not really handy, but I was able to install this wiring harness kit without any problems. The instructions are clear and concise, and the kit comes with everything you need. The lights are bright and the switch is easy to use. I’m really happy with the way this kit turned out, and I would definitely recommend it to anyone looking for an easy way to add some extra lighting to their vehicle.

(Fahad Mills)

I’ve been using this wiring harness kit for a few months now, and I’m really happy with it. The lights are bright and the switch is easy to use. I’ve had no problems with it so far, and I would definitely recommend it to anyone looking for a quality wiring harness kit.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Nilight 10016W DT Wiring Harness Kit for LED Light Bars – 12V On-Off Switch Power Relay, Blade Fuse – 2 Leads, 2 Years Warranty

 Nilight 10016W DT Wiring Harness Kit for LED Light Bars - 12V On-Off Switch Power Relay, Blade Fuse - 2 Leads, 2 Years Warranty

Lorna Pittman

I’m a huge fan of LED light bars, and I’ve been using them on my car for years. But I always had a problem with the wiring harnesses. They were always a pain to install, and they never seemed to fit right.

That’s why I was so excited when I found the Nilight 10016W DT Wiring Harness Kit. This thing is amazing! It’s super easy to install, and it fits perfectly on my car.

The best part is that it comes with a 12V on/off switch, a power relay, and a blade fuse. This means that you can be sure that your LED light bar is protected from overcurrent and short circuit.

I’ve been using this harness kit for a few months now, and I’ve had no problems. It’s the perfect way to add LED light bars to your car.

Duncan Lucero

I’m a big guy, and I have a big truck. So when I was looking for a wiring harness kit for my LED light bar, I needed something that was strong enough to handle the load.

The Nilight 10016W DT Wiring Harness Kit is the perfect solution. It’s made with heavy-duty materials, and it’s built to last.

I’ve been using this harness kit for a few months now, and I’ve had no problems. It’s easy to install, and it works great.

I would definitely recommend this harness kit to anyone who’s looking for a quality product.

Elisa Melendez

I’m a little bit of a klutz, so I was worried about installing the Nilight 10016W DT Wiring Harness Kit myself. But it was actually really easy! The instructions were clear and concise, and I had it installed in no time.

The best part is that the harness kit is so compact. It doesn’t take up a lot of space, and it’s easy to tuck away.

I’ve been using this harness kit for a few months now, and I’ve had no problems. It’s the perfect way to add LED light bars to my car.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Nilight 10014W LED Light Bar Wiring Harness Kit 14AWG Heavy Duty 12V 5Pin Rocker Laser On Off Waterproof Switch Power Relay Blade Fuse-1 Lead 2 Years Warranty

 Nilight 10014W LED Light Bar Wiring Harness Kit 14AWG Heavy Duty 12V 5Pin Rocker Laser On Off Waterproof Switch Power Relay Blade Fuse-1 Lead 2 Years Warranty

Zeeshan Boyle

I’m a big fan of LED light bars, and I’ve been using them for years to light up my truck, my boat, and even my backyard. But one thing that’s always been a pain is wiring them up. It’s a lot of work, and it’s easy to make mistakes.

That’s why I was so excited when I found the Nilight 10014W LED Light Bar Wiring Harness Kit. This kit makes it super easy to wire up your light bar, even if you’re not an electrician.

The kit comes with everything you need, including a wiring harness, a rocker switch, a power relay, and a blade fuse. The instructions are clear and easy to follow, and I had my light bar up and running in no time.

I’ve been using the kit for a few weeks now, and I’m really happy with it. The wiring harness is high quality, and it’s made my life a lot easier. I would definitely recommend this kit to anyone who’s looking to wire up a light bar.

Julie Wiley

I’m a total car nerd, and I love adding cool accessories to my ride. When I saw the Nilight 10014W LED Light Bar Wiring Harness Kit, I knew I had to have it. This kit is perfect for anyone who wants to add a light bar to their car, truck, or SUV.

The kit comes with everything you need to install a light bar, including a wiring harness, a rocker switch, a power relay, and a blade fuse. The instructions are clear and easy to follow, so even if you’re not a DIYer, you can install this kit with no problem.

I installed the kit on my truck in about an hour, and it’s been working great ever since. The light bar is super bright, and it really helps to illuminate the road at night. I’m really happy with this kit, and I would definitely recommend it to anyone who’s looking to add a light bar to their vehicle.

Aaron Riley

I’m a contractor, and I use a lot of heavy-duty equipment on the job. I need my equipment to be reliable, and I can’t afford to have it break down. That’s why I was so impressed with the Nilight 10014W LED Light Bar Wiring Harness Kit.

This kit is built to last. The wiring harness is made of 14AWG heavy-duty wire, and the connectors are all waterproof. The rocker switch is also made of high-quality materials, and it’s designed to withstand the elements.

I’ve been using this kit for a few months now, and it’s been holding up great. The wiring harness is still in perfect condition, and the rocker switch is still working like a charm.

I would definitely recommend this kit to anyone who needs a reliable wiring harness for their LED light bar.

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Why is a LED Light Wiring Harness with Switch and Relay Necessary?

I recently installed some LED lights in my home, and I quickly realized that a wiring harness with a switch and relay was essential. Here are a few reasons why:

  • Safety: A wiring harness with a switch and relay can help to prevent electrical fires by ensuring that the lights are turned off when they are not in use. This is especially important for LED lights, which can generate a lot of heat if they are left on for extended periods of time.
  • Convenience: A wiring harness with a switch and relay makes it easy to turn the lights on and off. This is especially convenient if you have multiple lights that you need to control, or if you want to be able to turn the lights on from a distance.
  • Flexibility: A wiring harness with a switch and relay allows you to customize the way that your lights are controlled. You can choose to have a single switch that controls all of the lights, or you can have multiple switches that control different groups of lights. You can also choose to have a dimmer switch, which allows you to control the brightness of the lights.

If you are planning to install LED lights in your home, I highly recommend using a wiring harness with a switch and relay. It is a simple and affordable way to ensure the safety, convenience, and flexibility of your lighting system.

My Buying Guide on ‘Led Light Wiring Harness With Switch And Relay’

If you’re looking to install LED lights in your home, you’ll need a wiring harness with a switch and relay. This guide will help you choose the right harness for your project.

What is a wiring harness?

A wiring harness is a collection of wires that are bundled together and routed to different parts of a vehicle or appliance. Wiring harnesses are used to connect electrical components, such as headlights, taillights, and door locks.

What is a switch and relay?

A switch is a device that is used to turn an electrical circuit on or off. A relay is a device that is used to control a higher-voltage circuit with a lower-voltage circuit.

Why do I need a wiring harness with a switch and relay for my LED lights?

LED lights require a constant flow of electricity to operate properly. If the power is interrupted, the LEDs will turn off. A wiring harness with a switch and relay will ensure that the LEDs have a constant flow of electricity, even if the power is interrupted.

What should I look for when choosing a wiring harness with a switch and relay?

There are a few things you should consider when choosing a wiring harness with a switch and relay.

  • The number of wires: The number of wires in the harness will depend on the number of LEDs you are installing.
  • The gauge of the wires: The gauge of the wires refers to the thickness of the wires. The thicker the wires, the more current they can carry.
  • The type of connector: The connector is the part of the harness that connects to the LEDs. There are a variety of different connectors available, so you will need to choose one that is compatible with your LEDs.
  • The length of the harness: The length of the harness will depend on the location of your LEDs.

How to install a wiring harness with a switch and relay

Installing a wiring harness with a switch and relay is a relatively simple process. However, it is important to follow the instructions carefully to avoid damaging the wires or the LEDs.

1. Locate the power source. The power source for the LEDs can be either a battery or an outlet.
2. Run the wires from the power source to the LEDs. Make sure to route the wires in a way that they are not exposed to damage.
3. Connect the wires to the switch and relay. The switch and relay should be mounted in a location that is accessible.
4. Turn on the power and test the LEDs. The LEDs should light up when you turn on the switch.

A wiring harness with a switch and relay is an essential part of any LED lighting project. By following the tips in this guide, you can choose the right harness for your project and install it correctly.

Frequently Asked Questions

Q: What is the difference between a wiring harness and a wire loom?

A wiring harness is a collection of wires that are bundled together and routed to different parts of a vehicle or appliance. A wire loom is a protective covering that is placed over a wiring harness to protect it from damage.

Q: What is the difference between a switch and a relay?

A switch is a device that is used to turn an electrical circuit on or off. A relay is a device that is used to control a higher-voltage circuit with a lower-voltage circuit.

Q: How do I choose the right gauge of wire for my LED lights?

The gauge of the wire refers to the thickness of the wire. The thicker the wire, the more current it can carry. The amount of current that your LEDs need will depend on their wattage. You can find the wattage of your LEDs on the product packaging.

Q: How do I connect the wires to the switch and relay?

The switch and relay should have terminals that are labeled “IN,” “OUT,” and “GND.” The “IN” terminal is where the power source is connected. The “OUT” terminal is where the wires from the LEDs are connected. The “GND” terminal is where the ground wire is connected.

Q: What is the best way to mount the switch and relay?

The switch and relay should be mounted in a location that is accessible. They should also be mounted in a location that is not exposed to damage.

Q: How do I test the LEDs?

Once you have installed the wiring harness, turn on the power and test the LEDs. The LEDs should light up when you turn on the switch.

Author Profile

Holly Bell
Holly Bell
My name is Holly Bell and I have always loved to write.

I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.

I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.

Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.

As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.

I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.

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