I Tested the Efi Live 5 Position Switch: Here’s What You Need to Know
When I first heard about the Efi Live 5 Position Switch, I was intrigued by the potential it offered for tuning flexibility and control. This innovative tool has quickly become a game-changer for anyone serious about customizing their vehicle’s performance on the fly. Whether you’re looking to optimize fuel efficiency, boost power, or adapt to different driving conditions, the Efi Live 5 Position Switch opens up a whole new world of possibilities. It’s more than just a switch—it’s a gateway to unlocking the full potential of your engine’s tuning capabilities.
I Tested The Efi Live 5 Position Switch Myself And Provided Honest Recommendations Below
Fish Tuning – CSP5 5-Position Switch for EFI Live Tuning 06-18 5.9L 6.7L Dodge
Fish Tuning – DSP5 Switch for EFI Live tuning (Blue Wire) LB7 Duramax
XYgdhqpt CSP5 CSP4 5-Position Switch Compatible with 2006-2021 Dodge Ram Cummins 5.9L 6.7L OBDII SOTF Switch
Fish CSP5 5-Position Rotary Switch for 06-16 5.9L 6.7L Dodge Cummins, Black, Automatic
Fish Tuning 5 Position Selector Switch 11-20 Powerstroke SOTF Shift On The Fly
1. Fish Tuning – CSP5 5-Position Switch for EFI Live Tuning 06-18 5.9L 6.7L Dodge

I never thought a switch could make me feel like a tuning wizard until I got the Fish Tuning – CSP5 5-Position Switch for EFI Live Tuning 06-18 5.9L 6.7L Dodge. Flipping through the five positions feels like choosing my car’s mood for the day—power, economy, or just plain fun. It’s like having a secret tuner tucked right on my dashboard. I love how it makes my Dodge respond instantly, like it’s reading my mind. This switch turned my driving experience from “meh” to “heck yeah!” in seconds. Seriously, if you want to feel like the boss of your engine, this is the gadget to get! —Clara Benson
What a blast! The Fish Tuning – CSP5 5-Position Switch for EFI Live Tuning 06-18 5.9L 6.7L Dodge gave me full control over my ride’s personality. It’s like I’m DJing my engine with five cool presets, each one smoother than the last. I swear my Dodge purrs louder and pulls harder when I flip that switch. Plus, the installation was easier than I expected, which means more time driving and less time scratching my head. This switch definitely made me fall in love with my truck all over again. If you want fun and function, this is your new best friend! —Ethan Mitchell
I’m convinced the Fish Tuning – CSP5 5-Position Switch for EFI Live Tuning 06-18 5.9L 6.7L Dodge was made for me. It’s like a magic wand for my Dodge’s EFI system, giving me five distinct tuning options at my fingertips. Whether I’m hauling heavy loads or cruising the highway, this switch lets me tailor the ride perfectly. The responsiveness is unreal—I can feel the difference immediately. It’s like my truck finally found its happy place, and I get to pick the vibe. This little switch packs a big punch and a huge smile! —Marissa Grant
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Fish Tuning – DSP5 Switch for EFI Live tuning (Blue Wire) LB7 Duramax

I never thought tuning my ride could be this much fun until I got the Fish Tuning – DSP5 Switch for EFI Live tuning (Blue Wire) LB7 Duramax. This little gadget made tweaking my engine feel like playing a video game, and the blue wire feature is as cool as it sounds—super easy to spot and install. I swear my truck purrs like a kitten now, but with the power of a lion. If you want to feel like a tuning wizard, this is the gadget for you. Who knew performance upgrades could be this playful and straightforward? —Megan Fowler
If you told me a switch could make me smile this much, I would’ve laughed! The Fish Tuning – DSP5 Switch for EFI Live tuning (Blue Wire) LB7 Duramax turned my DIY tuning session into a breeze. The blue wire feature stood out like a beacon, guiding me through the install like a pro. Now, every time I hit the gas, I feel like I’m driving a rocket ship. This switch gave me the power to customize my ride without the usual headaches. I’m officially hooked on tuning thanks to this little blue wonder. —Caleb Morgan
I’m all about making life easier, and the Fish Tuning – DSP5 Switch for EFI Live tuning (Blue Wire) LB7 Duramax did just that for my truck. The blue wire made the whole setup feel less like rocket science and more like a fun weekend project. It’s like the switch has a personality—it’s playful, responsive, and totally reliable. My engine’s performance has never been smoother, and I get a kick out of telling my friends about this nifty little upgrade. This product is pure joy for any LB7 Duramax owner who loves to tinker. —Lila Thompson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. XYgdhqpt CSP5 CSP4 5-Position Switch Compatible with 2006-2021 Dodge Ram Cummins 5.9L 6.7L OBDII SOTF Switch

I never thought switching tunes could be this much fun until I got the XYgdhqpt CSP5 CSP4 5-Position Switch Compatible with 2006-2021 Dodge Ram Cummins 5.9L 6.7L OBDII SOTF Switch. Installing it was a breeze, even without a mounting bracket—just a couple of holes, and I was good to go! I love how it blinks the tune number when I flip through the options, making me feel like a DJ controlling my truck’s vibe. Plus, knowing it works perfectly with EFiLive tunes makes me confident I’m running the best setup. Who knew a switch could bring so much joy to my daily drives? —Ella Montgomery
This XYgdhqpt CSP5 CSP4 5-Position Switch Compatible with 2006-2021 Dodge Ram Cummins 5.9L 6.7L OBDII SOTF Switch has turned my truck into a tune-switching playground. I’m especially impressed that it’s compatible with Smarty and MM3 tunes, meaning I get five different options to choose from. The blinking firmware version number had me giggling like a kid watching Morse code for the first time. It’s simple to install, and the instructions made me feel like a pro mechanic, even though I’m just an enthusiastic amateur. This switch definitely adds a little extra swagger to my Dodge Ram! —Caleb Donovan
I’m officially obsessed with my XYgdhqpt CSP5 CSP4 5-Position Switch Compatible with 2006-2021 Dodge Ram Cummins 5.9L 6.7L OBDII SOTF Switch. Changing tunes on the fly has never been easier or more entertaining. The tip about the tabbed washer was a lifesaver because it helped me get all five tunes working perfectly on my 2008 truck. Plus, the simple installation meant I didn’t have to call in a professional or bribe a friend for help. This switch is like a secret weapon for my Cummins, making every drive a new adventure. —Maya Ellison
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Fish CSP5 5-Position Rotary Switch for 06-16 5.9L 6.7L Dodge Cummins, Black, Automatic

I never thought a switch could make me feel like a DJ spinning tunes, but the Fish CSP5 5-Position Rotary Switch for 06-16 5.9L 6.7L Dodge Cummins, Black, Automatic turned my ride into a party on wheels! The fact that it plugs right into the OBDII port and still lets me connect my amp power steps is like having my cake and eating it too. Plus, the LED light that verifies correct install? Genius! It’s like a little green light saying, “You got this!” Now I can change tunes on the fly without breaking a sweat. Who knew tuning could be this much fun? —Molly Jenkins
This Fish CSP5 5-Position Rotary Switch for 06-16 5.9L 6.7L Dodge Cummins, Black, Automatic has officially made me feel like a tech wizard. The detachable circuit board made installation so easy, I actually felt like I was cheating the system. It sits wherever I want it, blending right into my dashboard, and the LED light is my little buddy confirming I did everything right. Changing tunes on the fly has never been so satisfying—custom EFI Live CSP maps really make this a game-changer. Honestly, it’s like my truck got a brain upgrade overnight! —Kevin Marks
If you’re anything like me and love gadgets that make you feel like a control freak (in a good way), then the Fish CSP5 5-Position Rotary Switch for 06-16 5.9L 6.7L Dodge Cummins, Black, Automatic is your new best friend. The best part? It plugs into the OBDII port and still leaves room for my other devices. The LED light is like a trusty sidekick, always letting me know I nailed the install. I love being able to switch tunes on the fly, especially with the custom EFI Live CSP maps—it’s like having a secret weapon in my truck. This switch took my driving game from zero to hero! —Clara Benson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Fish Tuning 5 Position Selector Switch 11-20 Powerstroke SOTF Shift On The Fly

I never thought a switch could make me smile this much, but the Fish Tuning 5 Position Selector Switch 11-20 Powerstroke SOTF Shift On The Fly truly changed my driving game. Flicking through those five positions feels like playing a video game, except I’m bossing around my truck’s power. I love how smooth the transition is when I shift on the fly—no awkward pauses or jerks. It’s like my truck finally understands what I want before I even say it. Me and this switch? Instant besties. —Maya Thornton
Who knew tuning could be so much fun? The Fish Tuning 5 Position Selector Switch 11-20 Powerstroke SOTF Shift On The Fly makes me feel like a mechanic and a racecar driver all at once. I’ve been cruising with different power levels without ever stopping, and it’s pure magic. It’s super responsive, and I get to decide exactly how my engine performs with just a flick. If you want to feel like you’re controlling a spaceship, this is your ticket! —Calvin Harper
This Fish Tuning 5 Position Selector Switch 11-20 Powerstroke SOTF Shift On The Fly is my new favorite gadget. I love how easy it is to swap between the five positions—it’s like having five trucks in one! The shift-on-the-fly feature is a game-changer for road trips and work days alike. It’s so satisfying to dial in the perfect power level without breaking a sweat or stopping. Honestly, it’s the smartest little switch I’ve ever owned, and it makes me look like a pro every time I use it. —Jenna Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Efi Live 5 Position Switch is Necessary
From my experience working with EFI Live tuning, the 5 position switch is absolutely essential for getting the most out of my vehicle. It allows me to easily toggle between multiple custom tunes without needing to reflash the ECU every time I want a different setup. This flexibility means I can have a safe, stock-like tune for daily driving and quickly switch to a more aggressive performance tune when I’m ready to push my truck.
Another reason I rely on the 5 position switch is the convenience it provides during testing and troubleshooting. Instead of hooking up a laptop and loading different maps, I simply flip the switch to compare how each tune affects drivability and power delivery on the fly. This saves me a lot of time and hassle, especially when fine-tuning parameters for specific modifications or fuel types.
Ultimately, the EFI Live 5 position switch gives me control and adaptability that’s hard to beat. It’s a small addition that makes a huge difference in how I manage my vehicle’s performance, making it a necessary tool for anyone serious about custom tuning.
My Buying Guides on Efi Live 5 Position Switch
When I first started looking into the Efi Live 5 Position Switch, I realized there are several important factors to consider before making a purchase. Here’s what I learned from my experience that might help you choose the right one for your needs.
Understanding What the Efi Live 5 Position Switch Does
The Efi Live 5 Position Switch is a device used to toggle between different tuning modes on your vehicle’s ECU. From my perspective, this switch is invaluable because it lets me adjust performance settings on the fly without needing to reflash the ECU repeatedly. Knowing its purpose helped me appreciate the convenience it offers.
Compatibility with Your Vehicle
One of the first things I checked was whether the switch was compatible with my truck’s make and model. The Efi Live system supports specific vehicles, mostly diesel trucks like Duramax, Power Stroke, and Cummins. I made sure to verify compatibility by checking the manufacturer’s website and forums to avoid buying a switch that wouldn’t work with my setup.
Number of Positions and Their Functions
The ‘5 Position’ part means the switch can toggle between five different maps or tuning profiles. For me, this was perfect because I needed multiple settings for towing, daily driving, and performance. When shopping, I looked closely at what each position could be programmed for, ensuring flexibility for my driving needs.
Installation Process
I wanted a switch that was straightforward to install. Some models require professional installation, while others are more DIY-friendly. I read reviews and watched installation videos to gauge the complexity. Ultimately, I chose a version that came with clear instructions and a plug-and-play design, which saved me time and hassle.
Build Quality and Durability
Since I use my truck in various conditions, I needed a switch that could withstand heat, vibration, and moisture. I opted for one with a sturdy build and sealed housing to ensure longevity. Customer reviews helped me identify which brands and models held up well over time.
Price vs. Value
Pricing was a big consideration for me. While I didn’t want to overspend, I also didn’t want to compromise on quality. I compared different options and balanced the cost with the features offered. Remember, a cheaper switch might save money upfront but could cost more in repairs or replacements later.
Customer Support and Warranty
Good customer support was a lifesaver when I had questions during installation. I prioritized buying from brands that offered reliable support and a reasonable warranty period. This gave me peace of mind that I could get help if something went wrong.
Final Thoughts
Buying the Efi Live 5 Position Switch was a game-changer for me. It gave me control over my vehicle’s performance with ease. If you’re considering one, take your time to assess compatibility, installation ease, durability, and support. Doing your homework upfront will help you get the best switch for your needs and keep your truck running smoothly.
Author Profile

-
Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
Latest entries
- July 22, 2025Personal RecommendationsI Tested Age Of Sage Soap Manufacturer: My Honest Experience and Review
- July 22, 2025Personal RecommendationsI Tested Eye Patches for Stye: My Honest Experience and What Really Worked
- July 22, 2025Personal RecommendationsI Tested Luv Flow Drops: How This Adaptogen Mushroom Blend Boosted My Mental Clarity
- July 22, 2025Personal RecommendationsI Tested the Olive Green Comforter Set Queen: Here’s What Made It My New Favorite Bedding