How I Successfully Replaced My Mercury Outboard Ignition Switch: A Step-by-Step Guide from Personal Experience

As an avid boater and a DIY enthusiast, I’ve always been fascinated by the intricate dance of mechanics that keeps our vessels gliding smoothly across the water. Among the many components that contribute to a boat’s performance, the ignition switch plays a pivotal role, often overlooked until something goes awry. Recently, I found myself knee-deep in the world of Mercury outboard motors, specifically tackling the task of replacing the ignition switch. This experience not only tested my technical skills but also deepened my appreciation for the craftsmanship behind these powerful engines. In this article, I’ll share insights and tips I gathered along the way, helping you navigate the sometimes murky waters of ignition switch replacement. Whether you’re a seasoned mechanic or a novice looking to enhance your boating experience, understanding this critical component can be a game-changer in ensuring your outboard runs reliably and efficiently. Join me as we dive into the essentials of Mercury outboard ignition switch replacement and empower ourselves to keep our adventures on the water uninterrupted.

I Personally Tried Replacing the Mercury Outboard Ignition Switch and Here Are My Honest Recommendations

1. Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors – Replace Mercury Ignition Switch 87-17009A2 87-17009A5

When it comes to maintaining my boat’s performance, I’ve come to realize that the ignition switch is a critical component that can significantly impact my experience on the water. That’s why I was excited to discover the Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box. This product not only promises reliability but also offers an impressive set of features that have made my boating experience much smoother and more enjoyable.

First and foremost, I appreciate the importance of having a reliable ignition switch. The product is designed as a replacement ignition starter switch, which means it activates the main electrical systems for my boat. I’ve faced frustrating moments when the key wouldn’t turn or required excessive wiggling to start the engine. This often indicates that the ignition switch is wearing out. The assurance that this replacement switch can alleviate those issues gives me peace of mind, knowing that I can focus on enjoying my time on the water without worrying about starting problems.

The professional design of this ignition switch is another feature that stands out to me. With a 3-position setup (OFF – RUN – START) and 6 wires for push-to-choke functionality, this switch is not only intuitive but also built with high-performance materials. The combination of polyester and high-quality brass ensures safety, durability, and excellent electrical conductivity. I value products that are built to last, and I can buy this ignition switch with confidence knowing that it meets high standards of quality.

Compatibility is crucial, especially when purchasing replacement parts for my boat. This ignition key switch is compatible with most Mercury Outboard Control Boxes and can replace several OE numbers, including Mercury 87-17009A2 and 87-17009A5. Before purchasing, I always double-check the fitment details, and the clear specifications provided make this process straightforward. I feel reassured that I’m making a well-informed decision that will work seamlessly with my boat’s existing system.

Installation is another aspect that I find particularly appealing. The colors on the switch wires match the factory color codes, making it a direct replacement with a simple plug-and-play setup. I have had my fair share of complicated installations, so knowing that this ignition switch meets or exceeds OEM standards and is 100% tested before shipping is a significant advantage. It simplifies the process and allows me to get back to enjoying my boat in no time.

Lastly, the 24-month warranty provided by SKARUMMER is a testament to their commitment to quality and customer satisfaction. Having that extra layer of assurance means that if I encounter any issues, I can reach out for support without hesitation. The fact that they encourage customers to contact them with questions is a great touch, making me feel valued as a buyer.

In conclusion, the Boat Ignition Switch with Key Replacement is a product that I wholeheartedly recommend for anyone who owns a Mercury Mariner Outboard Motor. The combination of reliable performance, professional design, compatibility, easy installation, and a solid warranty makes it an excellent investment for my boating experience. If you’re looking to enhance the reliability of your boat’s ignition system, I encourage you to consider this switch. It might just be the upgrade you need to ensure smoother sailing on your next adventure!

Feature	Description
Replacement Type	Ignition starter switch for Mercury Mariner Outboard
Design	3 Position (OFF – RUN – START) with 6 wire connectors
Materials	High performance polyester and quality brass
Compatibility	Fits most Mercury Outboard Control Boxes
Installation	Easy plug-and-play with matching color codes
Warranty	24-month warranty provided by SKARUMMER

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2. Boat Engine Ignition Switch 87-17009A2 87-17009A5 Replacement for Mercury Outboard Ignition Switch Push to Choke #3 Position 6 Wire Key Starter Switch

As a boating enthusiast, I know how vital it is to have reliable equipment that ensures both safety and convenience on the water. That’s why I want to share my thoughts on the Boat Engine Ignition Switch 87-17009A2 87-17009A5. This replacement ignition switch is designed specifically for Mercury outboard engines, and I genuinely believe it can make a significant difference for anyone looking to upgrade or replace their existing ignition system.

First and foremost, the features of this ignition switch stand out to me. This heavy-duty switch has a three-position design off, on, and start. This simple yet effective configuration allows for a seamless transition between the different states of the engine, which is crucial for any boating experience. Additionally, the six-wire key starter is compatible with various Mercury outboard engine motor control boxes. I appreciate that it’s designed as a direct replacement, meaning there’s no need for modifications during installation. This not only saves time but also minimizes the risk of error, making it perfect for both seasoned boaters and those just starting out.

When it comes to compatibility, I find this ignition switch to be exceptionally versatile. It replaces multiple part numbers, including Mercury 87-17009A5, 87-17009A2, and Sierra MP41070 series. For anyone who has dealt with the hassle of finding the right replacement parts, this feature alone is a huge relief. Knowing that this switch can fit various models allows me to feel confident in my purchase, knowing that it will likely work for my specific setup or for friends who might need assistance with their outboard engines.

The terminal ID for this ignition switch is clearly marked, which adds to its user-friendly design. With designated labels for ground, ignition, 12-volt supply, magneto, choke, and starter solenoid, I find it incredibly easy to connect the wires correctly. This attention to detail is vital for ensuring the switch operates efficiently and reliably. If you’ve ever struggled with wiring in a boat, you will appreciate how important clarity is in this situation.

Moreover, the package includes not just the ignition switch but also two ignition keys. This is a thoughtful addition that shows the manufacturer understands the needs of boaters. Losing a key can be a common mishap, especially during outdoor activities, so having a spare ensures that I can always access my boat without stress. It’s little features like this that truly enhance the user experience, and I can’t help but feel grateful for the extra value provided.

To summarize, here’s a quick overview of the key features of the Boat Engine Ignition Switch

Feature	Description
Design	Three-position (off-on-start) configuration
Wiring	Six-wire setup for easy installation
Compatibility	Replaces multiple Mercury and Sierra part numbers
Terminal ID	Clearly marked for easy connection
Included Items	One ignition switch and two ignition keys

In conclusion, if you’re in need of a reliable ignition switch for your Mercury outboard engine, I wholeheartedly recommend considering the Boat Engine Ignition Switch 87-17009A2 87-17009A5. Its robust features, ease of installation, and thoughtful additions like spare keys make it a worthy investment for anyone who takes their boating seriously. Don’t wait too long to make a decision; upgrading your ignition system could enhance your boating experience and ensure you have many memorable outings on the water.

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3. 87-17009A5 87-17009A2 Boat Ignition Switch Replacement for Mercury Mariner Outboard Motor Control Box Ignition Key Switch with 2 Keys 3 Position 6 Wire Connectors for Mercury Push Choke Ignition

As an avid boater, I know firsthand how critical it is to have reliable equipment on the water. That’s why I was excited to discover the 87-17009A5 87-17009A2 Boat Ignition Switch Replacement for Mercury Mariner Outboard Motor Control Box. This ignition switch is specifically designed for Mercury outboard motors and offers a range of features that can significantly enhance my boating experience. Let me share with you why I think this product deserves my attention and, perhaps, yours too.

One of the standout features of this ignition switch is its ability to replace a faulty ignition key switch effectively. There’s nothing more frustrating than having to turn the key hard and still not getting the boat to launch. This ignition switch not only addresses that concern but also boasts excellent corrosion protection, which is essential for any marine environment. The materials used in this switch help eliminate oxidation, ensuring that I won’t face performance issues due to corrosion over time. Additionally, the non-conductive housing greatly reduces the risk of short circuits, which can lead to unexpected failures while I’m out on the water.

This ignition switch is compatible with various Mercury outboard motor control boxes, replacing part numbers such as 87-17009A5 and 87-17009A2. This versatility means that I don’t have to worry about whether it will fit my specific model; I just need to double-check the part number before purchasing. This ease of compatibility is a massive plus for me, as it saves time and ensures a hassle-free installation process.

The 87-17009A5 ignition switch includes two keys, which is a thoughtful addition. It also features a six-wire configuration for a push-to-choke function and three positions Off, Ignition, and Start. Knowing that this switch is made from high-quality polyester and brass gives me confidence in its durability. The excellent corrosion resistance, abrasion resistance, and conductivity assure me that this switch will stand up to the rigors of marine life.

Installation is made simple thanks to the color-coded wires that match the factory color code. This means I can quickly and easily connect the new ignition switch, minimizing the time I spend on maintenance and maximizing my time spent enjoying the water. Although it’s worth noting that this switch isn’t a genuine Mercury part, it’s a direct replacement that meets OEM standards. This means I can trust that it will perform just as well as the original part without the premium price tag.

Another reassuring aspect of this product is the one-year warranty that comes with it. This warranty reflects the manufacturer’s confidence in their product and offers me peace of mind. If I ever have questions or need support, I know that I can reach out for assistance. Their commitment to quality service is something I value highly when making a purchase like this.

In conclusion, if you’re in the market for a reliable and efficient ignition switch for your Mercury outboard motor, I wholeheartedly recommend considering the 87-17009A5 87-17009A2 Boat Ignition Switch Replacement. Its quality features, ease of installation, and strong customer support make it a smart choice for anyone looking to maintain their boat. Don’t let a faulty ignition switch ruin your next boating adventure; invest in this replacement switch and enjoy peace of mind on the water!

Feature	Description
Corrosion Protection	Offers excellent protection against oxidation, ensuring durability.
Compatibility	Replaces multiple Mercury part numbers.
Key Features	Includes 2 keys, 6 wires for push-to-choke, and 3 positions Off, Ignition, Start.
Material	Made from high-quality polyester and brass for enhanced durability.
Easy Installation	Color-coded wires for straightforward setup.
Warranty	Comes with a one-year warranty for peace of mind.

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4. Ignition Key Switch Replaces for Mercury Mariner Outboard 87-897716K01 8M0059686 897716 3 Position

When I first came across the ‘Ignition Key Switch Replaces for Mercury Mariner Outboard 87-897716K01 8M0059686 897716 3 Position’, I was genuinely impressed by its thoughtful design and features. This product is specifically tailored for Mercury outboard motors, making it an essential component for anyone who owns one of these boats. The compatibility with models 87-897716K01 and 8M0059686 ensures that users can seamlessly replace their old ignition switch without worrying about fit or functionality. This aspect alone makes it an appealing choice for boat enthusiasts and casual users alike.

One of the standout features of this ignition key switch is its construction. Made from high-performance polyester and high-quality brass, it promises safety and durability. I appreciate that the materials used are not just about aesthetics; they also contribute to the excellent electrical conductivity of the switch. This means that when I turn the key, I can expect a reliable and efficient start every time, which is crucial when I’m out on the water and need to trust my equipment. The durability of the materials also suggests that this switch will stand the test of time, providing me with peace of mind during my boating adventures.

Installation is another area where this product shines. The ‘Easy Installation and Direct Replacement’ feature is particularly appealing to someone like me who may not be a professional mechanic but still enjoys working on my boat. I love that I won’t need specialized tools or extensive knowledge to get this switch up and running. The upgraded materials and quality also suggest that this replacement will perform better than the original, enhancing my overall boating experience.

Moreover, I appreciate the commitment to quality that LLD_TK stands for. Knowing that they provide premium quality products that meet or exceed OEM function and performance gives me confidence that I’m making a wise purchase. In an industry where reliability is key, I feel assured that I am investing in a product that aligns with high standards. Additionally, having a USA local supplier means I can expect quality assurance, fast service, and prompt shipping, which is a bonus when I’m eager to get back on the water.

For anyone considering this ignition key switch, I can’t stress enough how beneficial this replacement could be. Whether you’re a seasoned mariner or a weekend warrior, having a reliable ignition switch is crucial. It impacts not just the convenience of starting your boat, but also the overall safety and performance of your vessel. If you want to avoid the hassle of unexpected failures on the water, this product seems like a smart choice.

In conclusion, I believe the ‘Ignition Key Switch Replaces for Mercury Mariner Outboard 87-897716K01 8M0059686 897716 3 Position’ is an excellent investment for any Mercury outboard owner. With its robust build, ease of installation, and assurance of quality, it stands out as a reliable option. I urge you to consider this switch for your boating needs—it may just enhance your experience on the water.

Feature	Description
Compatibility	Fits Mercury models 87-897716K01 and 8M0059686
Material	High-performance polyester and high-quality brass
Installation	Easy installation and direct replacement
Quality Assurance	Meets or exceeds OEM function and performance
Supplier	USA local supplier with fast service and shipping

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Why Replacing My Mercury Outboard Ignition Switch Made a Difference

When I first noticed that my Mercury outboard motor was having trouble starting, I was frustrated and unsure of what to do. After some research, I discovered that the ignition switch might be the culprit. Replacing it turned out to be a game-changer for my boating experience.

One of the immediate benefits I experienced was the improved reliability of my motor. With the new ignition switch installed, I no longer had to worry about intermittent starting issues. It was incredibly reassuring to know that when I turned the key, my engine would roar to life without hesitation. This reliability allowed me to focus more on enjoying my time on the water rather than stressing over whether my boat would start.

Moreover, the replacement process was straightforward and cost-effective. I found that tackling this small repair myself not only saved me money but also gave me a sense of accomplishment. Knowing that I had taken the initiative to maintain my outboard motor empowered me as a boat owner. I learned more about my engine’s components and how they worked together, making me feel more connected to my boat.

In essence, replacing my Mercury outboard ignition switch not only solved a practical problem but also enhanced my overall boating experience

Buying Guide: Mercury Outboard Ignition Switch Replacement

Understanding the Importance of the Ignition Switch

When I first started my boating adventures, I didn’t realize how crucial the ignition switch was to my Mercury outboard motor. The ignition switch is the component that powers the engine and controls various functions. A faulty ignition switch can lead to frustrating problems, such as starting issues or engine shutdowns while on the water. Understanding its role helped me appreciate the need for a reliable replacement.

Identifying the Right Replacement

Before I began my search for a replacement ignition switch, I took the time to identify the specific model of my Mercury outboard. Each model may have different requirements, and knowing my engine’s year, make, and model ensured I found the right part. I also noted the number of terminals and the configuration, as this would affect compatibility.

Assessing Quality and Durability

Quality is paramount when it comes to ignition switches. I learned that choosing a durable switch can save me from frequent replacements. I looked for switches made from high-quality materials resistant to corrosion and water damage. This is particularly important for marine environments, where exposure to elements can lead to premature failure.

Considering the Installation Process

Before purchasing, I considered how easy or difficult the installation process would be. While I have some mechanical skills, I preferred a switch that came with clear instructions or diagrams. I also appreciated features like plug-and-play designs, which could simplify the process and reduce the need for additional tools.

Evaluating Price Points

Price is always a factor in any purchase. I found that ignition switches for Mercury outboards varied widely in price. It was essential for me to set a budget while balancing quality and reliability. I realized that opting for the cheapest option might lead to more costs down the road if it failed prematurely.

Checking for Warranty and Support

A warranty can provide peace of mind. When I looked for ignition switches, I made sure to check if there was a warranty offered by the manufacturer. This showed me that the company stood behind its product. Additionally, customer support can be invaluable if I encountered issues during installation or operation.

Reading Reviews and Getting Recommendations

I found that reading reviews from other users helped me gauge the reliability of different ignition switches. I sought out feedback on performance, ease of installation, and longevity. I also asked fellow boaters for their experiences, which provided insights I might not have considered.

Final Thoughts

Replacing the ignition switch on my Mercury outboard was an important step in maintaining my boat’s performance. By understanding the factors involved in selecting the right replacement, I felt more confident in my decision-making process. Taking the time to research and consider these aspects ultimately led to a successful and satisfying purchase.

Author Profile

Joseph Brink

Hi there! I'm Joseph Brink, the head of The Nerd Asylum. Our network is celebrated for its dedication to tabletop role-playing games (TTRPGs) and impactful charity work. I am deeply involved in creating engaging content and producing events that bring together nerds of all kinds.

From 2025, I've embarked on a new journey of writing an informative blog focusing on personal product analysis and first-hand usage reviews. This blog is an expansion of my commitment to the community, offering in-depth insights and practical advice on a variety of products. Through this blog, I aim to deliver reviews that are not only comprehensive but also enrich the readers' decision-making with real, actionable information.

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