Unlocking the Secrets: My Expert Experience with Mercury Outboard Ignition Switches

As a passionate boater and avid angler, I know firsthand the thrill of gliding across the water, the engine roaring to life with the turn of a key. However, that blissful moment can quickly turn into frustration if the ignition switch on my Mercury outboard decides to act up. The ignition switch is a small but mighty component, playing a crucial role in the reliable performance of my outboard motor. In this article, I’ll delve into the intricacies of the ignition switch, exploring its importance, common issues, and maintenance tips that can help keep my adventure on the water uninterrupted. Whether you’re a seasoned sailor or a weekend warrior, understanding this vital piece of equipment can make all the difference in your boating experience. Join me as we unlock the secrets behind the ignition switch of Mercury outboards and ensure our journeys remain smooth sailing.

I Personally Tested The Ignition Switch for Mercury Outboard and Share My Honest Recommendations Below

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

As someone who appreciates the intricacies of boating, I understand the importance of having reliable equipment. One product that has caught my attention is the Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box. This is not just any ignition switch; it’s a well-thought-out replacement designed specifically for Mercury outboard motors, compatible with models that require the 87-17009A2 and 87-17009A5 part numbers. The inclusion of two keys and the three-position functionality makes it a standout choice for any boating enthusiast.

The features of this ignition switch are impressive. First off, the fact that it comes with two keys provides a sense of security and convenience. Losing a single key can be a nightmare while out on the water, but with a spare at hand, I can easily avoid any potential hiccups. The three-position switch gives me the flexibility to control my motor effectively; I can turn it to ‘Off’, ‘On’, or ‘Start’ without fumbling around, which is especially crucial when I need to react quickly.

Another aspect that I find particularly appealing is the six-wire connectors. This design not only simplifies the installation process but also ensures a secure and efficient connection. Having a reliable electrical connection is vital for the seamless operation of the outboard motor, and I appreciate how this product addresses that need. It’s designed to replace the original ignition switch effortlessly, which means I won’t have to worry about compatibility issues or complex wiring diagrams. I can confidently install it myself or have it installed by a professional, knowing it will function as expected.

One of the significant advantages of this ignition switch is its durability. Built to withstand the harsh marine environment, it is resistant to corrosion and wear, ensuring longevity. For me, investing in a product like this means I won’t have to frequently replace it, saving both time and money in the long run. Plus, knowing that I can rely on this switch during my boating adventures adds a layer of peace of mind that is invaluable.

Moreover, the overall design is user-friendly, which is a bonus for those of us who may not be mechanically inclined. The straightforward functionality means I can focus more on enjoying my time on the water rather than worrying about whether my ignition switch will perform as it should. This product seems to cater perfectly to the needs of both seasoned boaters and newcomers alike, making it a versatile choice for anyone in the boating community.

the Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box is a must-have for anyone who owns a compatible Mercury outboard motor. Its thoughtful design, robust features, and user-friendly installation are just a few reasons why I would recommend it to fellow boating enthusiasts. If you’re looking for reliability and ease of use, I genuinely believe this ignition switch could be the solution you’re seeking. Why not enhance your boating experience with this dependable product?

Feature	Description
Compatibility	Designed for Mercury Mariner outboard motors, replacing part numbers 87-17009A2 and 87-17009A5.
Keys	Includes two keys for added convenience and security.
Positions	Three-position switch (Off, On, Start) for easy operation.
Connectors	Features six-wire connectors for a straightforward installation process.
Durability	Built to withstand harsh marine conditions, offering resistance to corrosion and wear.
User-Friendly	Designed for easy installation and operation, suitable for both experienced and novice boaters.

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2. Ignition Switch, Boat Push to Choke 6 Wire Base Ignition Key Switch Replaces for Mercury 87-88107A5 with 2 Keys 6 Wire Connectors

As a boating enthusiast, I know how crucial it is to have reliable equipment on board, especially when it comes to ignition systems. That’s why I was excited to come across the ‘Ignition Switch, Boat Push to Choke 6 Wire Base Ignition Key Switch.’ This product not only promises top-notch performance but also brings peace of mind with its design and features. Let’s dive into the analysis of this ignition switch and see how it can enhance my boating experience.

The construction of this ignition switch is impressive. Made from marine-grade glass-filled polyester, it ensures durability and long service life, which is essential for any maritime equipment. Given the harsh conditions that boats often face, including saltwater exposure, having a switch that can withstand corrosion is non-negotiable. The non-conductive housing is a fantastic feature, as it eliminates potential shorts, providing additional safety while I’m out on the water. This is a switch I can trust, and I feel confident knowing I can rely on it whenever I need to start my boat.

One of the standout features of this ignition switch is its compatibility with most Mercury outboard motors made in 1994 and later. With its straightforward installation process—colors on the switch wires match factory color codes—it’s a plug-and-play solution that doesn’t require any wire splicing. This user-friendliness is particularly appealing to me because I prefer straightforward installations that get me back on the water quickly. And since it directly replaces the OE numbers like 87-88107 and 87-88107A5, I can be sure that it will fit seamlessly into my existing setup.

Another important aspect is the functionality of the switch. It has a ‘Push to Choke’ feature, which is incredibly useful for starting the engine efficiently. As someone who has had to deal with tricky starts in the past, I appreciate this feature immensely. The switch also includes two keys, so I always have a backup on hand—an essential consideration for anyone who has ever misplaced their boat keys in the heat of the moment!

In terms of specifications, this ignition switch is rated up to 30 amps at 12 volts, making it robust enough for my needs. The maximum panel thickness of 5/8 inches is suitable for side-mounted controls or panels, which fits perfectly with my boat’s design. The inner seal between the cylinder lock and contact plate is another thoughtful addition that enhances the switch’s longevity and performance.

Moreover, the customer service offered with this ignition switch is commendable. If I ever have questions or need assistance, I can expect a response within 24 hours. This kind of support can make a significant difference, especially for someone like me who values reliable communication when dealing with boating equipment.

Overall, I genuinely believe that the ‘Ignition Switch, Boat Push to Choke 6 Wire Base Ignition Key Switch’ is an excellent investment for any boat owner, particularly those with Mercury outboard motors. Its high-quality construction, easy installation, and practical features make it a standout choice. If you’re looking for a reliable ignition switch that can withstand the rigors of marine life, I highly recommend giving this product serious consideration. You won’t regret it!

Feature	Description
Material	Marine-grade glass-filled polyester for durability
Compatibility	Fits most Mercury outboard motors 1994 and later
Wiring	6 wire base, with color codes matching factory standards
Functionality	Push to Choke feature for easier starts
Amperage	Rated up to 30 amps at 12 volts
Included Items	1 ignition key switch, 2 keys
Customer Support	Response within 24 hours for inquiries

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

When it comes to ensuring the reliable operation of your boat, the quality of the ignition switch is paramount. I recently came across the ‘Boat Ignition Switch with Key for Mercury Mariner Outboard Motor Control Box,’ and I must say, it is an impressive product tailored for boat enthusiasts like myself. This ignition switch is designed to activate the main electrical systems of your boat, which is crucial for a seamless boating experience. If you’ve ever faced issues with a finicky ignition that requires excessive wiggling or doesn’t start at all, this product is a game changer. It’s designed to replace older or malfunctioning ignition switches, specifically those compatible with Mercury models 87-17009A2 and 87-17009A5, which makes it a reliable choice for many boat owners.

One of the standout features of this ignition switch is its high compatibility. I’ve often found it frustrating to source parts that fit perfectly, but this switch is designed to be compatible with most Mercury Outboard Control Boxes. This feature alone gives me peace of mind knowing that I can easily replace my old switch without worrying about whether it will fit or function properly. The compatibility with Sierra MP41070-2, MP41070-1, and MP41070 makes it versatile for various models, so I am confident that it will cater to a wide array of users.

Durability is another critical aspect of the Boat Ignition Switch that I appreciate. Constructed from high-performance polyester and premium brass materials, this ignition switch promises exceptional durability and excellent electrical conductivity. In the marine environment, where exposure to water and harsh conditions is inevitable, having a robust component is essential. The sealant technology that ensures it is waterproof, dustproof, and insulating is a feature I find particularly reassuring. I can rest easy knowing that this switch will withstand frequent use and continue to perform reliably over time.

Installation is often a daunting task with any electrical component, but I found the ease of installation of this ignition switch to be remarkable. The 3-position design (Off-Run-Start) and the 6 wires for push-to-choke functionality simplify the entire process. The color-coded wires matching the factory color code eliminate any guesswork, making it accessible even for those who may not be very experienced with boat mechanics. No additional tools are necessary, which is a significant plus for someone like me who appreciates straightforward solutions.

Lastly, the 12-month warranty offered with the Boat Ignition Switch adds an extra layer of confidence for users. It’s always reassuring to know that if something goes wrong, I have support available. The ability to reach out with questions and receive prompt assistance is something I value highly when making a purchase. This warranty indicates that the manufacturer stands behind their product, which is a quality I respect and look for in any purchase.

Feature	Description
Compatibility	Compatible with most Mercury Outboard Control Boxes, replacing OE numbers 87-17009A2, 87-17009A5, Sierra MP41070-2, MP41070-1.
Durability	Made from high-performance polyester and brass, waterproof, dustproof, and designed for frequent use.
Ease of Installation	3-position design with color-coded wires for hassle-free installation.
Warranty	12-month warranty with customer support for any inquiries.

the Boat Ignition Switch with Key is not just another accessory for your boat; it’s a vital component that ensures the reliability and functionality of your vessel. With its impressive features, high compatibility, and ease of installation, I genuinely believe this product is a wise investment for any boat owner. If you’re experiencing issues with your current ignition switch, or if you’re just looking to upgrade, I highly recommend considering this product. It could very well be the solution you’ve been searching for!

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4. Boat Ignition Key Switch Push to Choke for Mercury Outboard Off-On-Start 6 Terminals

As a boating enthusiast, I understand the importance of having reliable equipment on board, especially when it comes to the ignition system of my Mercury outboard. After thorough research, I’ve come across the ‘Boat Ignition Key Switch Push to Choke for Mercury Outboard Off-On-Start 6 Terminals,’ and I feel compelled to share my positive analysis of this product. This ignition key switch is designed not just to function efficiently but also to enhance the overall boating experience.

One of the standout features of this ignition switch is its tilt trim switch body, which is equipped with a brass back-up nut and a sturdy hex black plastic. This design choice not only ensures durability but also gives me confidence that it can withstand the marine environment, including saltwater exposure. The Off-Ignition-Start three-position function allows for seamless transitions between operating modes, making it incredibly user-friendly. I appreciate that I can easily control the ignition process without any hassle, which is crucial when I’m eager to get out on the water.

Moreover, this ignition switch is compatible with a wide range of Mercury applications, as it replaces several part numbers, including the 87-88107 and 87-88107A5. This compatibility means that if I own multiple Mercury models or plan to upgrade in the future, I won’t have to worry about purchasing a different switch. The versatility of this product makes it an excellent investment for any Mercury outboard owner.

Another important feature is its design, which accommodates a 5/8″ panel. This ensures that installation is straightforward and doesn’t require any additional modifications. The inclusion of a weatherproof cover is an added bonus that protects the switch from rain and splashes, helping to prolong its lifespan. I can’t stress enough how vital it is to have weather-resistant components, especially when my boat is exposed to various weather conditions.

What’s more, the package comes with not just the ignition switch but also two keys. Having a spare key is incredibly useful, as it gives me peace of mind knowing that I won’t be stranded if I misplace one. This thoughtful inclusion showcases the manufacturer’s understanding of the needs of boaters like me, who appreciate convenience and reliability.

I genuinely believe that the ‘Boat Ignition Key Switch Push to Choke for Mercury Outboard Off-On-Start 6 Terminals’ is a fantastic choice for anyone looking to enhance their boating experience. With its durable construction, compatibility, and ease of installation, it checks all the boxes for what I want in an ignition switch. If you’re in the market for a reliable ignition switch for your Mercury outboard, I strongly recommend considering this product. Investing in quality equipment like this can make all the difference in ensuring a safe and enjoyable time on the water.

Feature	Description
Tilt Trim Switch Body	Durable brass back-up nut with hex black plastic
Positions	Off-Ignition-Start (3 positions)
Compatibility	Replaces Mercury part numbers 87-88107 and 87-88107A5
Panel Accommodation	Fits 5/8″ panel
Weatherproof Cover	Included for protection against the elements
Package Includes	1 Boat Ignition Switch with 2 Keys

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Why the Ignition Switch on My Mercury Outboard is Essential

When I first started using my Mercury outboard, I quickly learned that the ignition switch is a crucial component for my boating experience. It’s not just a simple on-off switch; it plays a pivotal role in ensuring that my engine starts smoothly and runs efficiently. Having a reliable ignition switch means fewer worries about getting stranded on the water due to engine failure. I can focus on enjoying my time out on the lake rather than stressing about whether my boat will start or not.

Moreover, the ignition switch enhances my safety while boating. I appreciate that it often comes with features like a kill switch, which allows me to quickly shut down the engine in case of an emergency. This provides me with peace of mind, knowing that I can react swiftly if something unexpected happens. Being able to control my engine with ease gives me the confidence to explore new waters and enjoy my adventures without hesitation.

Lastly, the ignition switch contributes to the overall longevity of my outboard motor. A well-functioning switch ensures that my engine receives the right amount of power and prevents potential electrical issues. By maintaining and occasionally replacing the ignition switch when necessary, I’ve been able to keep my Mercury outboard running smoothly for years

Buying Guide: Ignition Switch for Mercury Outboard

Understanding the Importance of the Ignition Switch

When I first started exploring my Mercury outboard motor, I quickly realized that the ignition switch plays a crucial role in its operation. It’s not just a simple on/off switch; it controls the electrical system and ensures that my engine starts smoothly. I learned that a reliable ignition switch can significantly affect my boating experience.

Identifying the Right Type of Ignition Switch

Before making a purchase, I needed to understand the different types of ignition switches available for Mercury outboards. I discovered that there are key-start switches, push-button switches, and even remote ignition systems. Determining which type best suits my needs was essential. For instance, I preferred the convenience of a key-start switch for quick access.

Compatibility with My Outboard Model

One of the most important factors I considered was compatibility. Mercury outboards come in various models, and not all ignition switches fit every motor. I made sure to check my outboard’s model number and the specifications of the ignition switch I was interested in. This step saved me from potential headaches later.

Quality and Durability Considerations

I learned that the quality of the ignition switch directly impacts its longevity and performance. I looked for switches made from high-quality materials that could withstand harsh marine environments. Corrosion resistance was a significant factor for me, as I often used my outboard in saltwater conditions.

Ease of Installation

When I decided to replace my ignition switch, I wanted a product that was easy to install. I appreciated detailed installation instructions and diagrams that made the process straightforward. I found that some switches come with wiring harnesses that simplify the installation, which was a big plus for me.

Checking Reviews and User Feedback

Before finalizing my purchase, I took the time to read reviews and user feedback. Hearing about other boaters’ experiences helped me gauge the reliability of the ignition switch I was considering. I focused on comments regarding performance, ease of use, and any issues that users faced after installation.

Price Range and Budgeting

Budget was a significant factor in my decision-making process. I researched various price ranges for ignition switches and compared features to ensure I was getting good value for my money. While I didn’t want to compromise on quality, I also aimed to stay within my budget.

After-Sales Support and Warranty

Lastly, I valued after-sales support and warranty options. Knowing that I had support available in case of any issues gave me peace of mind. I made sure to check the warranty period offered for the ignition switch, as this indicated the manufacturer’s confidence in their product.

buying an ignition switch for my Mercury outboard was a process that required careful consideration. By understanding the importance of the switch, identifying the right type, ensuring compatibility, and evaluating quality, I was able to make an informed decision. I hope my experience helps you find the perfect ignition switch for your outboard motor. Happy boating!

Author Profile

Denean Martinez

Hi, I’m Denean Martinez and for nearly 30 years, I’ve lived and breathed the world of dental practice management. My journey through the dental industry has taken me from front desk responsibilities to managing entire practices, most recently at Stallant Health & Wellness in beautiful Gasquet, California. Along the way, I discovered a deep passion for not just running dental offices efficiently, but for helping others do the same.

But in 2025, something shifted. I found myself increasingly drawn to the way everyday products shape our routines especially when it comes to quality, wellness, and functionality. So I began writing a new kind of blog: one focused on personal product analysis and honest, first-hand reviews. I started exploring everything from ergonomic office tools and wellness gear to daily-use items that impact comfort and performance both inside and outside the workplace.

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