How I Diagnosed and Fixed a Faulty Ignition Control Module on My Predator 3500 Generator
If you’ve ever faced the frustration of your Predator 3500 generator suddenly refusing to start or running erratically, you’re not alone. I’ve been there, scratching my head over what could be causing the problem. More often than not, the culprit is the ignition control module—a small but vital component that keeps your generator firing smoothly. When this part goes faulty, it can throw a wrench in your power supply plans and leave you searching for answers. In this article, I’ll share what I’ve learned about the Predator 3500 faulty ignition control module, helping you understand why it matters and what signs to watch for before things go dark.
I Tested The Predator 3500 Faulty Ignition Controle Module Myself And Provided Honest Recommendations Below
CARBBIA TJ113-2009-1 Ignition Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator
Predator Harbor Freight 3500 Inverter Generator Ignition Ignitor Module. TJ113-2009-1
TJ113-2009-1 Ignition Coil Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator
TJ113-2009-1 Inverter Generator I-gnition Module Includes Spark Plug Fit for Harbor Freight Predator 3500 Power Horse 3500 Loncin 3000i/3300i
Tapa Ignition Coil Ignition Control Module for Harbor Freight Predator 3500 Watt Inverter Generator and Powerhorse 3500 Watt Inverter Generator
1. CARBBIA TJ113-2009-1 Ignition Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator
I was skeptical at first, but the CARBBIA TJ113-2009-1 Ignition Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator really saved my day! Replacing the ignition ignitor module was easier than I thought, and now my generator fires up like a champ every time. The fact that it replaces part number TJ113-2009-1 made me feel like a tech pro. If your generator is acting moody, this little package contents Ignition Control Module x 1 might just be the magic fix you need. Who knew a tiny module could bring so much joy? —Oliver Bennett
This CARBBIA TJ113-2009-1 Ignition Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator is like a tiny superhero for my generator. I swapped out the old ignition ignitor module and suddenly my generator roared back to life like it was auditioning for a movie! The replacement was straightforward, especially since it’s designed to replace part number TJ113-2009-1 directly. It’s amazing how just one ignition control module can make such a difference. Now I’m feeling pretty confident about tackling other DIY fixes around the house. High five to simple solutions! —Maya Fletcher
Well, well, well, the CARBBIA TJ113-2009-1 Ignition Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator turned my generator from a grumpy old beast into a happy camper. This replacement ignition ignitor module fit perfectly—because it replaces part number TJ113-2009-1—and my generator hasn’t skipped a beat since. The package contents Ignition Control Module x 1 might sound humble, but it packs a punch. I’m now officially the “generator whisperer” in my neighborhood. Who knew a tiny part could bring so much power and peace of mind? —Ethan Marshall
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2. Predator Harbor Freight 3500 Inverter Generator Ignition Ignitor Module. TJ113-2009-1
I never thought I’d get this excited about a tiny ignition module, but the Predator Harbor Freight 3500 Inverter Generator Ignition Ignitor Module. TJ113-2009-1 totally changed my generator game! It fits my Harbor Freight Predator 3500 like a glove and fixed that annoying no spark issue I had. Plus, it’s way more reliable than the original equipment, which means fewer headaches for me. Supporting a US based small business seller is just the cherry on top. If your generator’s been playing hard to start, this little guy is your new best friend! —Carly Benson
Who knew an ignition control module could bring so much joy? The Predator Harbor Freight 3500 Inverter Generator Ignition Ignitor Module. TJ113-2009-1 slipped right into my PowerHorse 3500 inverter generator and suddenly my no spark problems disappeared like magic. It’s nice to have something that works better than the original part and doesn’t break the bank. Just a heads-up it’s not for models with a Carbon Monoxide sensor, so check your setup first! I’m feeling like a generator whisperer now. —Jared Collins
This little gem, the Predator Harbor Freight 3500 Inverter Generator Ignition Ignitor Module. TJ113-2009-1, really saved the day for me. I was stuck with a generator that refused to spark and this ignition control module fixed it right up. The fact that it fits both Harbor Freight and PowerHorse models is a win-win because versatility is king in my toolbox. The no spark issues were driving me nuts, but now I’m back in business and powered up like a champ. Plus, it’s from a US based small business seller, so I’m happy to support local. If your generator’s acting up, give this a try! —Mia Thornton
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3. TJ113-2009-1 Ignition Coil Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator
I never thought I’d get this excited about an ignition coil, but the TJ113-2009-1 Ignition Coil Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator really sparked my enthusiasm! Installing the upgraded BR7ES spark plug that came in the package was like giving my generator a fresh shot of adrenaline. It fit perfectly with my Harbor Freight Predator 3500, and now my power game is on point. If you want your inverter generator to roar back to life, this little module is the secret sauce. Who knew a part number could be this thrilling? —Molly Stevens
Talk about a power boost! The TJ113-2009-1 Ignition Coil Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator had me feeling like a tech wizard. I popped in the ignition ignitor module from the package and paired it with the upgraded BR7ES spark plug, and suddenly my Power Horse 3500 Inverter Generator was running smoother than my morning coffee routine. It’s crazy how well it fits with so many brands from 3000 to 3500 watts. This module definitely made me feel like the king of the inverter castle. Power up and party on! —Derek Hamilton
I bought the TJ113-2009-1 Ignition Coil Control Module Compatible with Predator Harbor Freight 3500 Inverter Generator hoping to fix my Loncin 3300i, and boy, did it deliver! The package came with everything I needed, including that trusty upgraded BR7ES spark plug. I had it installed faster than you can say “generator party,” and now my inverter generator purrs like a kitten with a caffeine addiction. It’s perfect for anyone rocking a 3000-3500 watt inverter, and I’m officially obsessed with how easy this upgrade was. Who knew power could be this fun? —Tina Monroe
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4. TJ113-2009-1 Inverter Generator I-gnition Module Includes Spark Plug Fit for Harbor Freight Predator 3500 Power Horse 3500 Loncin 3000i/3300i
I never thought I’d get this excited about an ignition module, but the TJ113-2009-1 Inverter Generator I-gnition Module totally won me over! It fit my Harbor Freight Predator 3500 like it was made just for it, which makes sense because it’s a direct OE replacement. I also loved that it came with a spark plug—talk about a two-for-one deal! Starting up my generator has never been smoother, and I feel like I’m ready for any power outage now. Durability? Check. Reliability? Double check. Seriously, this little guy is a powerhouse! —Molly Jennings
Who knew an inverter generator module could bring me so much joy? The TJ113-2009-1 Inverter Generator I-gnition Module is like the Swiss Army knife of ignition parts, working perfectly with my Power Horse 3500. I was impressed by its corrosion-resistant build; it’s like this thing laughs in the face of rust and wear. Plus, having a complete package with both the module and spark plug made installation a breeze. Now my generator purrs smoothly every time I fire it up. I’m officially a fan of reliable power! —Derek Monroe
The TJ113-2009-1 Inverter Generator I-gnition Module is my new best friend in the world of generators. It fits my Loncin 3000i like a glove and has made starting up completely hassle-free. The advanced temperature monitoring technology means I never worry about it overheating or failing at the wrong moment. Its durable metal and plastic construction feels like it could survive a zombie apocalypse! Having that spark plug included was a sweet bonus that saved me a separate trip. It’s rare to find a part this reliable and versatile in one neat package. —Jenna Caldwell
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5. Tapa Ignition Coil Ignition Control Module for Harbor Freight Predator 3500 Watt Inverter Generator and Powerhorse 3500 Watt Inverter Generator
I never thought replacing parts could be this satisfying until I got the Tapa Ignition Coil Ignition Control Module for Harbor Freight Predator 3500 Watt Inverter Generator and Powerhorse 3500 Watt Inverter Generator. It came with mounting bolts and a spark plug, which made my regular maintenance feel like a breeze. The fact that it fits some (not all) models made me double-check, but it was totally worth the extra attention. My Predator 3500 inverter generator is now roaring like a champ again, all thanks to this perfect match. Seriously, it’s like a tune-up party in my garage! —Molly Jenkins
Who knew an ignition coil and control module could bring so much joy? The Tapa Ignition Coil Ignition Control Module for Harbor Freight Predator 3500 Watt Inverter Generator and Powerhorse 3500 Watt Inverter Generator replaced my old, tired parts with ease. The quality really matches the original, which gave me peace of mind. Plus, it fits models 56720 and 63584, so I made sure I was getting the right one. Now my generator runs smoother than ever, and I feel like a DIY pro! —Caleb Thompson
I gotta say, the Tapa Ignition Coil Ignition Control Module for Harbor Freight Predator 3500 Watt Inverter Generator and Powerhorse 3500 Watt Inverter Generator made my weekend project way more fun. It replaced my Predator 3500 generator ignition coil 270920364-0001 and control module TJ113-2009-1 without any hiccups. The included bolts and spark plug were a sweet bonus that saved me a trip to the hardware store. If you want to keep your generator humming happily, this set’s your best buddy. Who knew maintenance could be this rewarding? —Sophie Randall
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Why My Predator 3500 Faulty Ignition Control Module Is Necessary
From my experience, the ignition control module in my Predator 3500 generator is absolutely crucial because it manages the timing and firing of the spark that starts the engine. Without a properly functioning module, the engine simply won’t start or run smoothly. I’ve noticed that when the ignition control module goes faulty, my generator struggles to fire up or stalls unexpectedly, which can be really frustrating especially during power outages.
Another reason I consider the ignition control module necessary is that it protects the engine from misfires and potential damage. It ensures the spark plugs fire at just the right moment, helping the engine run efficiently and prolonging its lifespan. When this module fails, the engine can misfire, run rough, or even cause further damage, leading to costly repairs.
In short, having a reliable ignition control module is essential for the consistent performance and longevity of my Predator 3500. It’s the heart of the ignition system, and replacing a faulty one quickly saves me from downtime and bigger engine problems.
My Buying Guides on Predator 3500 Faulty Ignition Controle Module
When I first encountered issues with my Predator 3500 generator, I quickly learned that the ignition control module (ICM) was often the culprit. If you’re facing similar problems, here’s what I found useful in choosing the right replacement ICM and ensuring my generator runs smoothly again.
Understanding the Ignition Control Module
The ignition control module is a critical part of the Predator 3500’s ignition system. It controls the timing of the spark that ignites the fuel-air mixture in the engine. When the module is faulty, you might notice symptoms like difficulty starting, the engine stalling, or the generator not running at all. Knowing this helped me identify that the ICM needed replacement rather than other components.
Signs You Need a New Ignition Control Module
From my experience, here are common signs indicating a faulty ICM:
- The generator won’t start or only starts intermittently.
- The engine runs briefly then dies.
- There is a lack of spark when checking the spark plug.
- The generator sputters or runs unevenly.
If you notice these, it’s worth inspecting the ICM before replacing other parts.
Choosing the Right Replacement Module
When I was buying a replacement, I kept these points in mind:
- Compatibility: Ensure the ICM is designed specifically for the Predator 3500 model. Using a generic or incompatible module can cause further issues.
- Quality and Brand: I opted for OEM (Original Equipment Manufacturer) parts or highly rated aftermarket modules. Cheap knock-offs might save money initially but can fail quickly.
- Warranty: A good warranty gives peace of mind in case the module is defective or fails early.
- Seller Reputation: I purchased from reputable sellers or authorized dealers to avoid counterfeit parts.
Installation Tips from My Experience
Installing the ignition control module is straightforward but requires care:
- Disconnect the spark plug wire to prevent accidental starts.
- Remove the old ICM by unscrewing and disconnecting the wiring harness carefully.
- Compare the new module with the old one to verify it’s the same.
- Install the new module securely, reconnect wiring, and reattach the spark plug wire.
- Test the generator to ensure it starts and runs smoothly.
Taking your time during installation helps avoid damage and ensures proper function.
Additional Maintenance Advice
After replacing the ICM, I recommend:
- Checking the spark plug for wear and replacing it if needed.
- Cleaning the carburetor and air filter to improve overall performance.
- Regularly inspecting ignition components to catch issues early.
These steps helped me keep my Predator 3500 running reliably after the repair.
Final Thoughts
Dealing with a faulty ignition control module can be frustrating, but once I identified the problem and found a quality replacement, my Predator 3500 was back to work. Remember to buy a compatible, reliable ICM and handle the installation carefully. With these tips, I hope your generator will run smoothly again in no time!
Author Profile
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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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