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⚡ Diagnose ignition issues in a flash — don’t get left in the dark!
The Ram-Pro Inline Spark Tester is a compact, durable diagnostic tool designed for 6-12 volt ignition systems. It quickly detects spark presence by connecting between the spark plug and wire, featuring a nickel-plated shaft and replaceable internal bulb. Compatible with a wide range of engines from cars to lawn equipment, it’s an essential, easy-to-use tool that saves time and money by pinpointing ignition faults efficiently.








| ASIN | B01HU2L1NU |
| Best Sellers Rank | #6,841 in Automotive ( See Top 100 in Automotive ) #2 in Ignition Testers |
| Brand | RamPro |
| Brand Name | RamPro |
| Color | Black |
| Compatible Devices | Internal Combustion Engines |
| Customer Reviews | 4.5 out of 5 stars 6,730 Reviews |
| Global Trade Identification Number | 00815518023317 |
| Item Weight | 2.2 Ounces |
| Manufacturer | MIX N MORE INC |
| Min. Operating Voltage | 6 Volts |
| Minimum Operating Voltage | 6 Volts |
| Model | 2331 |
| Part Number | 2331 |
| Power Source | Corded Electric |
| Style | Tool |
| Style Name | Tool |
| UPC | 815518023317 |
| Unit Count | 1 Count |
M**G
Essential Tool for Diagnosing Engine Ignition Issues
I recently used the Ram-Pro InLine Spark Tester to diagnose ignition problems in my car and lawnmower, and I’m very impressed with its performance. This 6-12 Volt spark tester is a reliable tool for both small and large engines, including automotive, lawnmowers, and other internal or external engines. The fool-proof design makes it easy to use, even for those who are not mechanically inclined. The tester quickly and accurately checks for spark by connecting directly to the spark plug or ignition coil. The clear and straightforward indicator helps in determining whether there’s a spark or if further investigation is needed. One of the standout features is its versatility; it works with a wide range of voltages and engine types. The pick-up coil/armature diagnostic detector tool has been very helpful in identifying ignition system issues and ensuring that my engines are firing correctly. The build quality is solid, and the tester feels durable and well-made. It’s a handy tool to have in your toolbox for troubleshooting ignition problems and performing regular maintenance. Overall, the Ram-Pro InLine Spark Tester is an excellent choice for anyone needing a reliable and easy-to-use spark tester. It provides accurate diagnostics and is a great value for its price. Highly recommended for both DIY mechanics and professional technicians!
B**N
Get this one, worth the price
Works great! Tested it in a bright garage during the day time and I could still easily see the light. I regret not buying the 2 pack.
R**N
Works but don't expect your mower to be running when doing the test with this tester just because it says in-line tester.
What I received was a carded brand called CAL-HAWK 6-12 Volt In-line ignition/spark tester. Made in China product. Looks like what is pictured on the Amazon site. Basically when you put it inline with your existing spark plug on say your lawn mower, it will not turn over your engine while you have this on, so don't expect your lawn mower to turn on running and that this would be some sort of glowing blinking, what it will do is that it will cause the light bulb in the unit glow when you pull on the pull cord each time. Its a somewhat weak glow but noticeable in the evening or in the dark. So you need to make sure you pull and tape down the mower break lever and pull your cord where you can also see the glow of the bulb, unless you have someone else pull the pull cord and you are standing close by watching this tester.
A**E
WOW!
Works like a champ Just need to put whatever you’re checking out of bright light. Easy to use. Great quality. It’s a keeper.
D**.
It’s better than what people say
I actually shut the garage door and turn the lights off so I could see it and then realized I did not need it shot because I didn’t know what I was looking for. The stupid thing is cheap and it works perfect.
W**M
great
great item works awesome wish i got it sooner
J**E
Great test tool
Great product easy install
H**Y
At least it was cheap...
The part that clips onto the spark plug was poorly crimped together, and separated on the first attempted use. I soldered the connection and crimped it better, and attempted to test for spark. I held the tester in one hand so I could see it better, and turned the key with the other. I don’t know if I could have seen the spark or not, but I sure felt it! The wire on the tester is not insulated well, so I got a pretty good shock when I cranked the engine. At the end of the day I guess it technically worked; I know without a doubt that my engine is getting spark. That said, I’m ordering a higher-quality product from somewhere else.
S**.
Handy little tool…
Does the trick! Can now test my spark plugs to make certain they are functioning as the should.
D**N
Good for the cost
I used the product for the purpose it is designed for and it works very well however it is a little flimsy so care has to be taken when handling and storeing this tool.
農**ク
判断しやすい
判断しやすいです… 大きさもちょうど良いです
S**S
لا باس
جيد
C**Y
Cable could be longer
Works well, connects easily, would be nicer if the cable was longer as it can be a bit difficult to hook up in certain spots
Trustpilot
1 month ago
2 months ago