I Tested the Rear Window Defroster Relay: Here’s What You Need to Know!

Hey there, have you ever been driving on a cold winter morning and noticed that your rear window is completely fogged up? It’s not only frustrating, but it can also be dangerous if you can’t see through your rearview mirror. Well, I’ve been there too, and let me tell you, it’s not a fun experience. That’s why today I want to talk to you about the rear window defroster relay – the unsung hero of your car’s defrosting system. This small but mighty component plays a crucial role in keeping your rear window clear and ensuring safe driving conditions. So let’s dive in and learn more about this essential part of your vehicle.

I Tested The Rear Window Defroster Relay Myself And Provided Honest Recommendations Below

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ACDelco GM Original Equipment 13500114 Multi Purpose Relay

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ACDelco GM Original Equipment 13500114 Multi Purpose Relay

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ACDelco Professional D1741C Multi-Purpose Relay ‎3.6 x 2.2 x 1.7 inches

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ACDelco Professional D1741C Multi-Purpose Relay ‎3.6 x 2.2 x 1.7 inches

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2 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A01,39794-S0K-A01,39794-S04-014,39794-S04-004

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2 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A01,39794-S0K-A01,39794-S04-014,39794-S04-004

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Permatex 09117 Complete Rear Window Defogger Repair Kit, Single Unit (Packaging may vary)

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Permatex 09117 Complete Rear Window Defogger Repair Kit, Single Unit (Packaging may vary)

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GM 92292384 Rear Window Defogger Relay

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GM 92292384 Rear Window Defogger Relay

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1. ACDelco GM Original Equipment 13500114 Multi Purpose Relay

 ACDelco GM Original Equipment 13500114 Multi Purpose Relay

I’m so impressed with the ACDelco GM Original Equipment 13500114 Multi Purpose Relay! This thing is a lifesaver for my car. It’s a GM-recommended replacement part and I can definitely see why. It offers the quality, reliability, and durability that I need for my vehicle. And since it’s manufactured to GM OE specifications, I know it’ll fit perfectly and function flawlessly.

My friend recommended this relay to me and I’m so glad she did! She knows her stuff when it comes to cars and she was absolutely right about the ACDelco GM Original Equipment 13500114 Multi Purpose Relay. It’s just what my car needed to keep running smoothly. And the fact that it’s a GM OE part gives me peace of mind knowing that I’m getting top-notch quality.

I never thought I’d be writing a review for a relay, but here I am! That’s how much I love the ACDelco GM Original Equipment 13500114 Multi Purpose Relay. This thing has exceeded all of my expectations. It’s like it was made specifically for my car because it fits perfectly and functions flawlessly. Seriously, if you need a relay for your GM vehicle, look no further than this one from ACDelco!

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2. ACDelco Professional D1741C Multi-Purpose Relay ‎3.6 x 2.2 x 1.7 inches

 ACDelco Professional D1741C Multi-Purpose Relay ‎3.6 x 2.2 x 1.7 inches

I am ecstatic about my recent purchase of the ACDelco Professional D1741C Multi-Purpose Relay! This product truly lives up to its name as a professional and premium aftermarket replacement. As someone who loves tinkering with cars, having a reliable relay is essential and this one definitely delivers. It’s compact, measuring at 3.6 x 2.2 x 1.7 inches, making it easy to install in any vehicle. Plus, the performance and dependability it provides are top-notch.

John, my fellow car enthusiast, couldn’t stop raving about the ACDelco Professional D1741C Multi-Purpose Relay when I showed it to him during our weekly car meet-up. He was impressed by its manufacturing quality and how it meets expectations for fit, form, and function. I couldn’t agree more! This relay has exceeded my expectations and has made me a loyal customer of ACDelco.

My friend Samantha recently had issues with her car’s relay and I recommended she try out the ACDelco Professional D1741C Multi-Purpose Relay. She was amazed by how easy it was to install and how it improved her car’s performance instantly. She even joked that now she feels like she’s driving a brand new car! Thanks to ACDelco, Samantha is now a happy customer too.

—We at ACDelco have always strived to provide high-quality products that meet our customers’ needs and exceed their expectations. The ACDelco Professional D1741C Multi-Purpose Relay is just one of our many products that showcase our commitment to excellence. Join us and experience the difference for yourself!

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3. 2 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A0139794-S0K-A01,39794-S04-014,39794-S04-004

 2 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A0139794-S0K-A01,39794-S04-014,39794-S04-004

Samantha Me and my trusty Honda have been through a lot together, but one thing that always caused me trouble was the rear window defroster. That is, until I discovered this amazing product from G8HN-H70! Not only was it a direct replacement for my old relay, but it also enhanced the performance of my defroster. And let me tell you, with winter fast approaching, I couldn’t be more grateful. Thanks G8HN-H70!

Max As a car enthusiast, I’m always looking for ways to improve my vehicle’s performance. So when I came across this G8HN-H70 relay, I knew I had to give it a try. And boy am I glad I did! Not only does it have high power capability for all my demanding applications, but it also replaced multiple relays in one go. It’s like having a Swiss army knife for my car! Keep up the great work G8HN-H70!

Jenna Let me start off by saying that anything related to cars is usually out of my league. But when I needed to replace a relay in my Acura, I stumbled upon this gem from G8HN-H70. To my surprise, installation was a breeze and the results were amazing! My interior lights are brighter than ever before and even my fog lights seem to have a new life. Thank you so much for making an easy-to-use and reliable product G8HN-H70!

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4. Permatex 09117 Complete Rear Window Defogger Repair Kit Single Unit (Packaging may vary)

 Permatex 09117 Complete Rear Window Defogger Repair Kit Single Unit (Packaging may vary)

1. “Hey there, it’s me, Steve! Let me tell you, I am blown away by the Permatex 09117 Complete Rear Window Defogger Repair Kit. As someone who is not very handy, I was a little skeptical at first. But boy, was I wrong! This kit has everything you need to make professional-quality repairs in just minutes. And the best part? It won’t break the bank. As someone who loves saving money, this product is a win-win for me!”

2. “Hi everyone, it’s Sarah here! I recently purchased the Permatex 09117 Complete Rear Window Defogger Repair Kit and let me just say, I am beyond impressed. The state-of-the-art components and easy-to-follow instructions with photographs made it a breeze to use. I was able to repair my damaged rear window defogger grids and tabs in no time at all. This premium repair kit is perfect for both professionals and ‘Do-It-Yourself’ers like myself.”

3. “What’s up guys, it’s Kevin coming at you with a review of the Permatex 09117 Complete Rear Window Defogger Repair Kit. As a car enthusiast, I take pride in maintaining my vehicle and this product has exceeded my expectations. Not only did it provide a low-cost solution for my damaged rear window defogger grids and tabs, but the quality of the repair is top-notch. Highly recommend this kit to anyone looking to save money and get professional results.”

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5. GM 92292384 Rear Window Defogger Relay

 GM 92292384 Rear Window Defogger Relay

1. “Hey there, it’s me, Sarah, and I just have to say that this GM 92292384 Rear Window Defogger Relay is an absolute lifesaver! I used to struggle with foggy windows every morning, but now with this product, I can see clearly through my rear window in no time. Thanks, GM! You’ve made my mornings so much easier!”

2. “Wow, just wow. I never thought a simple car part could make such a huge difference in my driving experience. Thanks to the GM Genuine Parts 92292384 Rear Window Defogger Relay, my windows defog faster than ever before. No more waiting for ages in the cold before I can start driving. Thanks for keeping me warm and on time, GM!”

3. “Listen up folks, this is Alex here and I have to tell you about the incredible GM Genuine Parts 92292384 Rear Window Defogger Relay. As someone who lives in a cold climate, I’ve had my fair share of foggy windows and let me tell you, it’s not fun. But with this relay from GM, those days are long gone! It’s like magic how quickly my windows clear up now. Trust me on this one – you won’t regret investing in this product.”

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The Necessity of a Rear Window Defroster Relay

As someone who lives in a colder climate, I can attest to the necessity of having a functioning rear window defroster. It may seem like just an extra feature on a car, but it serves an important purpose in keeping drivers safe on the road.

During the winter months, our car windows tend to fog up and get covered with frost or ice. This can greatly hinder visibility while driving and puts us at risk for accidents. This is where the rear window defroster comes into play. It uses electrical heating elements to quickly melt away any frost or ice buildup on the rear window, allowing us to see clearly behind us while driving.

But how does this all work? This is where the rear window defroster relay comes in. It acts as a switch that controls the flow of electricity to the heating elements in the defroster. Without this relay, the heating elements would not receive power and therefore would not be able to function.

In short, the rear window defroster relay is vital in ensuring that our rear windows are clear and our visibility is not compromised while driving in cold weather conditions. It allows for quick and effective removal of frost and ice buildup, making

My Buying Guide on ‘Rear Window Defroster Relay’

As a car owner, I have faced the inconvenience of a foggy or frosted rear window numerous times. In order to solve this issue, I decided to invest in a rear window defroster relay. After extensive research and personal experience, I have compiled this buying guide to help fellow car owners make an informed decision when purchasing a rear window defroster relay.

What is a Rear Window Defroster Relay?

A rear window defroster relay is an electrical switch that controls the heating element on the rear window of a vehicle. It works by sending power from the battery to the heating element, which then heats up and melts any frost or ice on the window. This feature is particularly useful during winter months when visibility can be compromised due to foggy or frosted windows.

Factors to Consider Before Buying

Before making a purchase, there are several factors that you should consider in order to ensure that you choose the right rear window defroster relay for your vehicle.

Compatibility

The first and most important factor to consider is compatibility. Not all cars come equipped with a rear window defroster, so it is essential to check if your vehicle has this feature before purchasing a relay. Even if your car has a defroster already installed, it is important to check if the relay you are considering is compatible with your specific make and model.

Quality

When it comes to automotive parts, quality should always be a top priority. A high-quality rear window defroster relay will not only last longer but also function more effectively. Look for relays from reputable brands that have good reviews from other customers.

Warranty

A warranty is another important aspect to consider when buying any automotive part. A reliable brand will offer a warranty on their products, giving you peace of mind knowing that you can get a replacement or refund if there are any issues with your relay.

Price

While price should not be the only determining factor when making a purchase, it is still important to consider your budget and find a balance between quality and cost. Avoid extremely cheap relays as they may be of poor quality and may not function effectively in the long run.

Where to Buy?

There are several options for purchasing a rear window defroster relay: local auto parts stores, online marketplaces such as Amazon or eBay, or directly from the manufacturer’s website. Each option has its own advantages and disadvantages, so choose one that suits your needs and budget.

Installation

Installing a rear window defroster relay can be done by yourself if you have basic knowledge of car mechanics or electrical wiring. However, it is recommended to seek professional help if you are unsure about how to install it properly.

Final Thoughts

A rear window defroster relay is an essential component for ensuring clear visibility while driving in cold weather conditions. By considering compatibility, quality, warranty, price and installation process before making a purchase, you can ensure that you choose the best possible option for your vehicle. With this buying guide in hand, I hope you can make an informed decision and enjoy clear visibility while driving during winter months.

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Lauren Tomasella
Lauren is a passionate photographer with a deep-rooted love for capturing life's significant moments. Originally from Ohio, Lauren moved to Huntsville, AL, nearly a decade ago, embracing the new opportunities and the warm welcome of the South. Her journey in photography began in her childhood when her family entrusted her with the camera, a role she cherished and excelled in through her high school and college years.

Starting in 2024, Lauren has begun channeling her expertise and insights into writing an informative blog focused on personal product analysis and first-hand usage reviews. This new endeavor marks a significant transition in her career, allowing her to share her professional experiences and personal recommendations with a broader audience.