Arrives before Christmas 
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Juggling tools while testing circuits can be tedious, but this circuit tester solves that problem with its innovative wire-piercing molded hook. This feature locks onto wires securely, allowing you to focus on diagnosing electrical issues hands-free, even in tight spots or with limited visibility.
When you're working in cramped engine bays or under dashboards, the extended molded hook of this circuit tester steps in to save the day. It allows you to reach and test electrical connections without contorting your body, making it ideal for testing in hard-to-access areas.
Identifying electrical shorts has never been easier. The built-in high-intensity light bulb provides clear visual confirmation of voltage presence, instantly alerting you when circuits are live. It ensures precise diagnostics every time, even in low-light environments.
No need to worry about the cord getting damaged in harsh conditions. This circuit tester boasts a 4-foot long, insulated cord that’s resistant to oil and heat, ensuring reliable performance in even the toughest automotive environments.
If you’ve ever found yourself troubleshooting trailer issues, this circuit tester is your go-to tool. Users have praised its reliability in finding shorts and verifying power at trailer connections, ensuring your tow vehicle and trailer communicate seamlessly.
Forget about flimsy testers that break after a few uses. This tool’s robust construction is designed to withstand the rigors of frequent use, ensuring it lasts for years. It's built for enthusiasts who demand durability without compromise.
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This is what I needed to track down a broken wire. I could hook it to the wire at the bqck of the truck and see what is going on from the front by myself
The tool is terrific and the service was outstanding. It arrived 2 days before predicted.
Haven't needed this tool yet but good to have it in my 12 volt electrical kit.
Cheap but does the job.
Easy installation.
I sold the trailer shortly after installing this item.
It worked well for the amount of time that I owned the trailer.
I bought this prob/circuit tester in order to make some minor electrical repairs to our Scamp 13. I carry it along on all our trips. It has been tremendously helpful isolating shorts that result from vibration and wear and tear. Furthermore, the tutorial videos here on etrailer have been equally helpful.
I had a tester like this years ago and I broke the end off.
I really liked the tester as you can hook it over a wire and probe it to see
if you have voltage.
Been looking for one for a long time.
You can find cheap junk ones but this one is just like the good one I had years ago.
Glad I found it and is is very well built.
Should last me a long time.
Was shipped fast also.
Will try and not break this one.
Thanks e trailer.
Quality item. Works great for quick DC tests.
Looks to be well constructed & easy to use. Frees up your hands for other tasks, & has many other circuit tracing applications as well.
Simple tester, does what its supposed to do.
Very easy to use.
Will come in handy.
Probe works really good
Terry
3/19/2022
Tester has worked out really well, only used it a few times
Not what worked for me.
I have yet to use it. It looked like something I should have so I ordered one.
Ehhh.
Easy to use and definitely helpful when looking for a specific wire.
Ricky C.
1/26/2022
Works Fine
Vary good for my trailer.
Nice tool to own!
Works perfect
Looks good, haven't used it yet
Very friendly service, thank you Korren. Ordered on Tuesday, received on Thursday.
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Scamper
11/10/2023
Reliable and useful as ever.