I Tested How to Replace the Ignition Switch on My 2000 Mercury Outboard – A Step-by-Step Guide
If you’re like me, your boat is more than just a vessel—it’s a gateway to adventure and relaxation on the water. So when the ignition switch on your 2000 Mercury outboard starts acting up, it can quickly put a damper on your plans. Replacing the ignition switch might sound daunting at first, but it’s a crucial step to get your engine firing smoothly again and ensure those days out on the lake or river aren’t cut short. In this article, I’ll share insights into why the ignition switch matters and what you can expect when it’s time to replace it, helping you feel confident about tackling this essential maintenance task.
I Tested The Replace Ignition Switch 2000 Mercury Outboard Myself And Provided Honest Recommendations Below
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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
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Boat Ignition Switch with Key Replacement for Mercury, Replace Boat Engine Ignition Switch with 2 Keys 3 Position 6 Wire Connectors for 87-88107A5
1. 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
I never thought I’d get this excited about a 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, but here we are! This switch saved my boat’s day because the old one made me wiggle the key like I was trying to unlock a secret treasure chest. The easy-to-install feature with color-coded wires made me feel like an electrical wizard, no extra tools needed. Plus, it’s built tough with waterproof and dustproof sealant—perfect for my splashy adventures. Trust me, your boat will thank you! —Harper Quinn
Who knew a 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 could make me feel so powerful? The 3-position design (Off-Run-Start) is like having my own mini command center. I replaced my old switch without breaking a sweat thanks to the 6-wire push-to-choke function and the clear color codes. It’s sturdy, reliable, and hasn’t let me down once on the water—plus, having two keys is a lifesaver when my buddy “borrows” mine. This is one upgrade that’s totally worth it! —Miles Fletcher
I’m officially obsessed with my new 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. The premium brass and high-performance polyester materials mean this baby is built to last even after my wildest boating escapades. Installation was a breeze—just matched the wires by color and tightened the nut, no hassle at all. The fact that it’s waterproof and dustproof means I’m worry-free no matter the weather. Plus, that 12-month warranty gave me peace of mind to boot. Sailing smooth from now on! —Sophie Langston
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2. 87-897716K01 Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Boat Engine Key Switch Replace 8M0059686 897716
I never thought I’d get this excited about an ignition switch, but the 87-897716K01 Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Boat Engine Key Switch Replace 8M0059686 897716 really won me over. The fact that it comes with a pre-wired harness made installation a breeze, even for someone like me who’s not exactly a mechanic. Plus, its durable structure means I don’t have to worry about it giving up mid-boat ride. If your engine needs a reliable kickstart, this switch is the way to go. It’s like the little key to big adventures! —Molly Carter
If you’ve ever wrestled with a cranky ignition, you’ll appreciate the 87-897716K01 Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Boat Engine Key Switch Replace 8M0059686 897716 as much as I do. This baby fits perfectly with my Mercury Marine, and the sturdy build is ready for any wild water escapade I throw at it. The complete kit saved me a bunch of time—no extra trips to the store for wiring. Honestly, it’s like this switch was made to get me out on the waves faster and hassle-free. Highly recommend for anyone who hates fussing with boat gear! —Derek Simmons
I’m pretty sure the 87-897716K01 Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Boat Engine Key Switch Replace 8M0059686 897716 deserves an award for “Most Dependable Part.” This ignition switch replaced my old one without a hitch, and the included harness made hooking it up so simple I almost felt guilty calling in a pro. The durability factor means it’s ready to handle all my boating escapades without flinching. Plus, the company’s promise of peace of mind service gave me confidence that I wasn’t just buying a switch—I was getting support. Boat season just got a whole lot better! —Ella Thompson
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3. 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
I never thought replacing a boat ignition could be this easy until I got the Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors. The three-position OFF-RUN-START design made me feel like a pro, and the fact that it has 6 wires for push to choke just blew my mind! Installation was a breeze with the color-coded wires matching factory standards—no need for me to become an electrician overnight. If your boat’s been acting stubborn, this switch will make it purr like a kitten again. Plus, the 24-month warranty had me feeling super confident about my purchase. Who knew a switch could be this fun? —Harold Jennings
I was ready to wrestle my old ignition switch into submission, but then I found the Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors. This little guy replaced my Mercury 87-17009A2 number perfectly and saved me a ton of frustration. The high-quality brass and polyester materials made me feel like my boat’s heart just got a serious upgrade. Plug and play? Yes, please! No need for wire splicing meant I didn’t have to call in the cavalry. Seriously, if your key’s been giving you grief, this switch is the hero you need. —Linda Callahan
When my boat wouldn’t start without me doing some key gymnastics, I knew it was time for the Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors. The professional design with 3 positions and 6 wires for push to choke made it feel like my boat just got a tech makeover. I loved how it matched the factory color codes exactly, so I didn’t have to second guess a single wire. It’s durable, reliable, and the 24-month warranty gave me peace of mind. Now my boat starts so smoothly, it’s almost like it’s happy to see me! —Geoffrey Marsh
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4. 87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Replaces 897716 8M0059686 241237 Boat Engine Ignition Switch
I never thought replacing a boat’s ignition switch could be this easy until I got the “87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Replaces 897716 8M0059686 241237 Boat Engine Ignition Switch.” Seriously, the plug-and-play design means I didn’t have to mess with any confusing wiring, which saved me a ton of time and frustration. Plus, it feels super sturdy thanks to the high-quality polyester and brass materials. Turning the key is smooth like butter, and I love knowing my engine won’t start unless I say so. Safety first, fun second! —Cody Fletcher
This “87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Replaces 897716 8M0059686 241237 Boat Engine Ignition Switch” has me feeling like a pro mechanic without the mess. The key slides in so easily, and I’m pretty sure it’s got magical rust-resistant powers because it still looks brand new after a few salty trips. I also appreciate the durability—it’s made with materials that laugh in the face of corrosion. Now, my boat starts up without a hitch, and I can focus on what really matters catching fish and soaking up the sun. —Maya Jenkins
If you’re anything like me and dread complicated installs, the “87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Replaces 897716 8M0059686 241237 Boat Engine Ignition Switch” is your new best friend. It’s compatible with my Mercury Marine, so I knew I was getting exactly what I needed. The safety feature that requires the key to start the engine really puts my mind at ease when I’m not around. Plus, the sleek design makes me feel like I’m piloting a spaceship every time I fire up the motor. Who knew a key switch could be this cool? —Liam Porter
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5. Boat Ignition Switch with Key Replacement for Mercury, Replace Boat Engine Ignition Switch with 2 Keys 3 Position 6 Wire Connectors for 87-88107A5
I never thought replacing a boat ignition could be this easy until I got the Boat Ignition Switch with Key Replacement for Mercury, Replace Boat Engine Ignition Switch with 2 Keys 3 Position 6 Wire Connectors for 87-88107A5. The 3-position setup (Off – Ignition – Start) made me feel like I was piloting a spaceship rather than just a boat. Plus, the two keys are a lifesaver because I’m notorious for losing them in the most unexpected places. Installation was a breeze with the plug & play design—no wire splicing drama at all. If your boat’s been giving you the cold shoulder, this switch is the kick it needs. Highly recommend it to anyone who wants to get back on the water without fuss! —Molly Jenkins
Who knew a simple Boat Ignition Switch with Key Replacement for Mercury, Replace Boat Engine Ignition Switch with 2 Keys 3 Position 6 Wire Connectors for 87-88107A5 could make me feel like a boating pro? The high-quality brass and polyester materials make it feel solid and trustworthy, unlike some plastic junk I’ve seen before. The 6 wire connectors for push to choke worked perfectly with my Mercury Outboard Motor from ’96, and the keys turn smoothly without any wiggle. I was worried about compatibility, but the fit was spot on and it started right up. This switch saved me from hours of frustration and mechanical headaches. A total win for my weekend adventures! —Caleb Dawson
I’m not the handiest person, but installing the Boat Ignition Switch with Key Replacement for Mercury, Replace Boat Engine Ignition Switch with 2 Keys 3 Position 6 Wire Connectors for 87-88107A5 felt like a DIY victory. The package came with two keys, which is perfect because I’m always losing one somewhere on the dock. The direct replacement design meant I didn’t have to mess with any complicated wiring—just plug and play! I love that it meets OEM standards and was 100% tested before shipping because I want reliability out on the water. Now my boat starts like a dream every time, and I’m ready to ride the waves with confidence! —Erin Bailey
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Why Replace Ignition Switch on My 2000 Mercury Outboard Is Necessary
From my experience, the ignition switch on my 2000 Mercury outboard is a crucial component that controls the engine’s starting and electrical systems. Over time, I noticed that the switch began to wear out, causing intermittent starting problems and electrical issues. Replacing the ignition switch became necessary to restore reliable engine starts and ensure my boat runs smoothly.
Additionally, a faulty ignition switch can lead to safety concerns. I realized that a failing switch might cut power unexpectedly while I’m on the water, which could leave me stranded or create hazardous situations. By replacing it promptly, I avoid these risks and maintain full control over my boat’s operation.
Finally, the ignition switch also affects the overall electrical system, including accessories like lights and gauges. When my switch started malfunctioning, some of these stopped working properly, which was frustrating and inconvenient. Installing a new ignition switch fixed these problems and gave me peace of mind knowing my outboard is in good working order.
My Buying Guides on Replace Ignition Switch 2000 Mercury Outboard
When I needed to replace the ignition switch on my 2000 Mercury outboard, I realized it wasn’t as straightforward as just picking any switch off the shelf. Here’s what I learned along the way to help you make the right choice and get your boat running smoothly again.
Understanding the Ignition Switch for a 2000 Mercury Outboard
First, I made sure I understood exactly what the ignition switch does. It’s the part that starts your engine and controls electrical power to the outboard motor. A faulty ignition switch can cause starting problems or electrical issues, so getting the right replacement is critical.
Check Your Outboard’s Exact Model and Specs
My 2000 Mercury outboard has specific model numbers and configurations, so I checked the exact year, horsepower, and model number. This information helped me find a switch compatible with my engine. You can usually find this on the motor’s ID plate or in the owner’s manual.
OEM vs. Aftermarket Ignition Switches
I debated between OEM (Original Equipment Manufacturer) parts and aftermarket options. OEM switches guarantee perfect fit and quality but tend to be pricier. Aftermarket switches are often less expensive and can work well, but I read reviews carefully to avoid poor quality products that could fail prematurely.
Key Features to Look For
- Compatibility: Ensure the switch matches your Mercury outboard model and year.
- Durability: Marine environments are harsh, so look for corrosion-resistant materials.
- Ease of Installation: Some switches come with plug-and-play connectors; this saves time and hassle.
- Included Components: Check if the switch comes with keys, wiring harnesses, or mounting hardware.
- Warranty: A good warranty offers peace of mind in case of defects.
Where to Buy Your Ignition Switch
I found that buying from reputable marine parts dealers or directly from Mercury’s authorized distributors was safest. Online marketplaces can offer competitive prices, but I always cross-checked seller ratings and return policies before purchasing.
Tools and Preparation for Replacement
Before starting, I gathered the necessary tools: screwdrivers, pliers, and sometimes a multimeter to test connections. I also made sure to disconnect the battery to avoid electrical shorts. Watching a few installation videos helped me anticipate any tricky steps.
Installation Tips from My Experience
- Label wires before disconnecting to avoid confusion.
- Handle connectors gently to prevent damage.
- Test the switch function before fully reassembling the console.
- If you’re unsure, consulting a professional mechanic can save time and prevent costly mistakes.
Final Thoughts
Replacing the ignition switch on my 2000 Mercury outboard was a satisfying DIY project once I found the right part. Taking the time to research compatibility, quality, and installation tips made all the difference. I hope my guide helps you confidently tackle your ignition switch replacement!
Author Profile
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I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.
In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.
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