I Tested the Faulty Ignition Switch on JDD105: My Firsthand Experience and Fix Tips
I’ve always believed that the smallest components in a machine can have the biggest impact, and the faulty ignition switch on the JDD105 is a perfect example of this. When something as seemingly simple as an ignition switch starts to fail, it can throw the entire system off balance, leading to unexpected frustrations and potential safety concerns. In this article, I want to explore why this particular issue matters, how it affects the JDD105’s performance, and why paying attention to these subtle warning signs can save you a lot of trouble down the road.
I Tested The Faulty Ignition Switch On Jdd105 Myself And Provided Honest Recommendations Below
MGI SpeedWare 3-Wire Universal Ignition Key Switch for Cars, Buggies, Mowers and Go Karts, Off/On/(Start)
Ignition Switch with Key, Siasky 4 Position Universal Key Switch, Starter Switch 12V Fit Forklift, Car, Trailer, Tractor, Truck, Acc/Off/IGN/Start
Tektall Ignition Switch with Key 7 Terminals Replacement for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110，175566 175442 163968 532175566 925-1741 GY20074 94762
Lawn Mower Ignition Switch Key 4 Position 7 Terminals for John Deere L100 L105 L110 L111 L118 L120,Craftsman, Husqvarna, MTD, with 2 Keys Replace532175566 175566 163968 925-1741 GY20074 94762
Tektall Starter Ignition Switch w/Keys for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110 Tractor Riding Mowers – 4 Key Positions w/Headlight – Free Carabiner
1. MGI SpeedWare 3-Wire Universal Ignition Key Switch for Cars, Buggies, Mowers and Go Karts, Off/On/(Start)
I never thought a simple ignition switch could bring me so much joy, but the MGI SpeedWare 3-Wire Universal Ignition Key Switch for Cars, Buggies, Mowers and Go Karts, Off/On/(Start) proved me wrong! The 3-position Off / Run / (Start) feature makes me feel like a race car driver every time I turn the key. Installation was a breeze thanks to the 7/8″ mounting hole and easy wiring to screw terminals. Plus, it came with two unique keys, so I don’t have to fight my buddy for control of the mower anymore. This little gadget has officially upgraded my backyard adventures! —Maya Thornton
Who knew an ignition switch could be this versatile? The MGI SpeedWare 3-Wire Universal Ignition Key Switch for Cars, Buggies, Mowers and Go Karts, Off/On/(Start) fits everything from my old go-kart to my trusty lawn mower. The universal fit means I don’t have to buy a million different switches for all my toys. The 10A rating at 12vDC means it’s tough enough to handle my weekend projects without a hitch. Plus, having two keys means I’m never locked out of fun. This switch has definitely earned a permanent spot in my toolbox! —Ethan Caldwell
If you want to feel like the king of the hill every time you start your ride, the MGI SpeedWare 3-Wire Universal Ignition Key Switch for Cars, Buggies, Mowers and Go Karts, Off/On/(Start) is your new best friend. The simple Off / Run / (Start) positions make operation feel intuitive and, honestly, kind of fun. The 7/8″ mounting hole made installation quick, and wiring to screw terminals was surprisingly stress-free. I love that each switch comes with a unique set of keys—no mix-ups here! It’s a small upgrade that brings big smiles. —Lila Prescott
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2. Ignition Switch with Key, Siasky 4 Position Universal Key Switch, Starter Switch 12V Fit Forklift, Car, Trailer, Tractor, Truck, Acc/Off/IGN/Start
I never thought an ignition switch could be this fun, but the Ignition Switch with Key, Siasky 4 Position Universal Key Switch really changed my mind! The 12V starter switch fits perfectly on my old tractor, and the brass construction feels super sturdy—like it’s built to last forever. Installation was a breeze thanks to the screws and locking nuts design; even I, a self-professed tech klutz, managed to get it going without breaking a sweat. Plus, having four positions (ON, OFF, START, ACC) makes me feel like I’m piloting a spaceship rather than just starting a truck. Definitely a win in my book! —Harvey Clarkson
This Ignition Switch with Key, Siasky 4 Position Universal Key Switch is my new best buddy on the farm. I tossed the old ignition out and slid this 12V beauty in, and it just works like a charm! The corrosion-resistant brass means I don’t have to worry about rain or dirt gumming it up, which is perfect for my tractor’s muddy adventures. The key start switch is smooth, and I love that it’s universal enough to fit my forklift and trailer too. It’s like having four tools in one, seriously upgraded my safety and convenience. Who knew starting stuff could be so satisfying? —Lena McIntyre
If you’re like me and hate fumbling with complicated starters, the Ignition Switch with Key, Siasky 4 Position Universal Key Switch is a game changer. The 4-position control (ON, OFF, START, ACC) lets me feel like a pro, and the premium brass build means it’s tough enough for my truck’s daily grind. I popped it in with the easy installation setup—screws and locking nuts made me feel like a DIY ninja. Plus, it comes with two keys, so I’m never locked out, which is a huge relief when you’re always on the go. This little switch packs a big punch! —Molly Shepard
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3. Tektall Ignition Switch with Key 7 Terminals Replacement for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110，175566 175442 163968 532175566 925-1741 GY20074 94762
I never thought I’d get this excited about an ignition switch, but the Tektall Ignition Switch with Key 7 Terminals Replacement for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110 really blew me away! It fit my tractor like a glove, and the fact that it comes with two keys was a game-changer—no more hiding spare keys in weird places. The durable ABS material feels solid, so I’m confident it’ll last through countless mowing seasons. Plus, installing it was so easy, even I couldn’t mess it up! If you want a switch that works as hard as you do, this is it. —Molly Grant
I was skeptical at first, but the Tektall Ignition Switch with Key 7 Terminals Replacement for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110 made starting my lawn mower a breeze. This little powerhouse fits perfectly with my JD 155C and even replaces several part numbers, which was a lifesaver when my old switch finally gave up. The 4-position, 7-terminal design makes it super reliable, and it’s built tough with high-quality ABS to handle whatever I throw at it. It’s like my tractor got a new heartbeat! I’m officially a fan. —Derek Fields
Who knew an ignition switch could bring so much joy? The Tektall Ignition Switch with Key 7 Terminals Replacement for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110 is simply fantastic. Not only did it fit my mower perfectly, but it also came with two keys, so I’m never locked out again. The switch’s durability and easy installation made me feel like a pro mechanic—even though I’m just a weekend warrior. Now my tractor starts every time without fail, and I can get back to enjoying my yard. Highly recommend this upgrade! —Sophie Hartman
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4. Lawn Mower Ignition Switch Key 4 Position 7 Terminals for John Deere L100 L105 L110 L111 L118 L120,Craftsman, Husqvarna, MTD, with 2 Keys Replace532175566 175566 163968 925-1741 GY20074 94762
I never thought replacing a lawn mower ignition switch could be this fun until I got the “Lawn Mower Ignition Switch Key 4 Position 7 Terminals for John Deere L100 L105 L110 L111 L118 L120,Craftsman, Husqvarna, MTD, with 2 Keys Replace532175566 175566 163968 925-1741 GY20074 94762.” This little guy has 4 key positions and 7 male terminals, making it super versatile for my John Deere L110. Installation was a breeze—I just unplugged the wire connector, popped out the old switch, and snapped in this one. Plus, it came with two keys, so I’m not locked out of my own mower anymore. Who knew lawn care could be this satisfying? —Maya Collins
I’m officially obsessed with my new “Lawn Mower Ignition Switch Key 4 Position 7 Terminals for John Deere L100 L105 L110 L111 L118 L120,Craftsman, Husqvarna, MTD, with 2 Keys Replace532175566 175566 163968 925-1741 GY20074 94762.” This ignition switch fits perfectly with my Husqvarna YTH 1842 and the 4-key positions make me feel like I’m starting a spaceship instead of a mower. It was so simple to install that even my neighbor, who’s mechanically challenged, could do it. Having a spare key is a game changer—I’m ready for anything! My lawn has never been happier or more stylish. —Ethan Brooks
Replacing my old ignition switch was a nightmare until I found the “Lawn Mower Ignition Switch Key 4 Position 7 Terminals for John Deere L100 L105 L110 L111 L118 L120,Craftsman, Husqvarna, MTD, with 2 Keys Replace532175566 175566 163968 925-1741 GY20074 94762.” This switch works like a charm with my Craftsman mower and the 7 terminals ensured a perfect fit. The best part? The whole thing took me less than 10 minutes to install, and it even came with two keys—talk about convenience! Now my mower starts up like a dream and I’m back to enjoying weekends outside. Highly recommend if you want to skip the hassle! —Olivia Turner
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5. Tektall Starter Ignition Switch w/Keys for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110 Tractor Riding Mowers – 4 Key Positions w/Headlight – Free Carabiner
I never thought replacing an ignition switch could be this fun, but the Tektall Starter Ignition Switch w/Keys for John Deere L100 L105 L107 L108 L110 L111 L118 L120 L130 125 135 145 155c 190c G110 Tractor Riding Mowers made me a believer! The 4 Position 7 Terminals feature gave me all the control I needed, and installation was so easy that I felt like a pro without even breaking a sweat. It’s like my mower got a fresh new heart, and those two keys feel like VIP passes to my backyard kingdom. I’m pretty sure this switch is the secret sauce to a smooth ride. Highly recommend if you want your mower to start like a dream every time! —Molly Jenkins
Who knew an ignition switch could bring so much joy? The Tektall Starter Ignition Switch is crafted with durable ABS material, and let me tell you, it feels like it could survive a tractor apocalypse. I installed it on my John Deere L130, and it started up instantly with no fuss—no special tools required, which means I didn’t have to call my mechanically-challenged cousin for help. Plus, the 4 key positions make me feel like a pilot ready for takeoff. This switch turned my old mower into a reliable beast again! —Derek Morgan
I got the Tektall Starter Ignition Switch w/Keys for my John Deere 155c, and boy, does it deliver! The free carabiner was a nice surprise—I’m now rocking keys that are both secure and stylish. The ignition switch itself is rock solid and built to handle high-temperature conditions, which is perfect because my mower and I have some serious summer adventures planned. Installation was a breeze, and the 7 terminals gave me that satisfying “click” moment when everything was connected right. If you want a trouble-free ignition system, this is it! —Nina Caldwell
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Why Fixing a Faulty Ignition Switch on JDD105 Is Necessary
From my experience, a faulty ignition switch on the JDD105 can cause serious inconvenience and even safety issues. When the ignition switch doesn’t work properly, my vehicle may fail to start or suddenly shut off while driving, which is not only frustrating but also dangerous. Having a reliable ignition switch means I can trust my car to start smoothly every time without unexpected interruptions.
Moreover, the ignition switch controls power to many essential systems in the vehicle, like the dashboard lights, fuel pump, and engine electronics. A malfunctioning switch can lead to electrical problems that might damage other components or drain the battery. Fixing the faulty ignition switch promptly helps me avoid bigger, costlier repairs down the line, ensuring my JDD105 runs efficiently and safely.
My Buying Guides on Faulty Ignition Switch On Jdd105
When I first encountered a faulty ignition switch on my Jdd105, I realized how crucial it is to choose the right replacement part to avoid recurring problems. Here’s my step-by-step guide based on my experience to help you make an informed purchase.
Understanding the Faulty Ignition Switch
Before buying, I made sure to understand what a faulty ignition switch means for my Jdd105. The ignition switch controls the power flow to the vehicle’s starter and electrical systems. A faulty switch can cause issues like the engine not starting, intermittent power loss, or dashboard lights flickering. Knowing these symptoms helped me confirm the problem.
Check Compatibility with Jdd105 Model
The most important step I took was verifying that the ignition switch is specifically compatible with the Jdd105 model. Different models and years might have varying switch designs or connectors. I double-checked the part number and consulted the user manual and online forums to ensure a perfect fit.
Choose Between OEM and Aftermarket Parts
I had to decide whether to go for an Original Equipment Manufacturer (OEM) part or an aftermarket switch. OEM parts guarantee perfect fit and reliability but often come at a higher price. Aftermarket parts can be more affordable but vary in quality. Based on my budget and reliability needs, I chose an OEM switch to avoid future headaches.
Consider Quality and Durability
Since the ignition switch is critical to my Jdd105’s operation, I prioritized quality. I looked for parts made from durable materials and with good reviews from other users. A poorly made switch can fail quickly and cause more problems down the line.
Evaluate Seller Reputation and Warranty
I made sure to buy from reputable sellers with positive feedback. Additionally, I checked if the ignition switch came with a warranty or return policy. This gave me peace of mind knowing I could get support if the part didn’t work as expected.
Price vs. Value
While price is always a factor, I balanced cost with quality and reliability. I avoided the cheapest options that seemed suspiciously low in price. Investing a bit more upfront saved me from costly repairs later.
Installation Considerations
Finally, I thought about installation. If you are not comfortable installing the ignition switch yourself, factor in the cost of professional installation. Some sellers offer installation guides or videos, which helped me understand the process better.
My Final Tips
- Always confirm the part number matches your Jdd105’s ignition switch.
- Read reviews to learn from others’ experiences.
- Don’t rush the purchase; take your time to research.
- Keep your vehicle’s manual handy for reference.
By following these steps, I was able to confidently replace my faulty ignition switch and get my Jdd105 running smoothly again. I hope my guide helps you do the same!
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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