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A Practical Diagnostic Tool
This is a must have diagnostic tool for any engine with a spark plug, and it can quickly and easily diagnose ignition/engine outboard motor issues or a fault in the fuel delivery system.
Material
- The exterior of this inline spark plug tester is made of hard plastic, in addition to the internal pure copper wire made of high-voltage resistant wire which can withstand high-voltage current.
- The high brightness neon bulb can be used for a long time without heating up.
Car spark plug tester
Test the ignition system is good or badaccurate and easy to operate
Sheryl Fleming
2025-06-24 20:56:13
described perfectly
John
2025-04-22 14:18:11
This is a really fantastic spark plug checker if you're all by yourself and you can't hold it to a piece of metal and pull it to see the spark just attach this pull on your lawnmower and see the spark. It's a great contact and even work on my car I like it a lot.
Linda I.
2025-03-28 19:01:43
This spark plug tester did work out of the box. It was a bit difficult to see the spark light in the garage during daylight hours. I had to close the garage doors so I could see it. Once I got it out of the natural sunlight (it was quite dark) I was able to see the spark indication light. The cable is also quite short so you can't move it to be able to see it while pulling the start cord. works better with 2 people. It was very cheap and it did work...4 stars.
Dustin
2025-02-21 21:17:33
This is a pretty inexpensive tool that can save you time and money! It’s easy to use and can quickly tell you if you have spark by putting it in line on a plug/wire and watch the bright built in light flash. It has a compact design but is a quality little tool!
Kay
2025-02-11 11:36:26
Build quality is a little cheap, but it totally works for what it is. Easy to use. Perfect size, it functions, and the brightness is enough you can see it. Would buy again
John McCollum
2025-01-01 12:24:33
This is a good product so far. It is easy to use but the bulb could be brighter. It is hard to see if used during the brighter part of the day or around bright light.
Rick
2024-11-14 17:17:10
Handy to have when checking for spark !
Customer
2024-11-12 10:00:43
Is very good tool
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