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From under-dash tangles to trailer wiring headaches, this circuit tester helps you zero in on electrical issues fast. It hooks on, lights up, and powers through the job without slowing you down.
Perfect for checking fuses, wires, and connectors, this tester helps you quickly track down power issues in 6V and 12V DC systems. The high-intensity bulb lights up the moment current is detected, giving you instant feedback without the guesswork.
The molded hook probe pierces the wire and latches on, so you don't need to hold the tester in place while you work. It makes multitasking in tight spaces a lot easier.
The 4' insulated cord gives you the flexibility to reach tight spots like under the dash or near the trailer tongue. It holds up to heat, oil, and grime, staying reliable through real-world garage conditions.
1-year limited
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Very friendly service, thank you Korren. Ordered on Tuesday, received on Thursday.
Looks good, haven't used it yet
Works perfect
Nice tool to own!
Not what worked for me.
Ehhh.
Vary good for my trailer.
Quality item. Works great for quick DC tests.
Simple tester, does what its supposed to do.
Easy to use and definitely helpful when looking for a specific wire.
I have yet to use it. It looked like something I should have so I ordered one.
Probe works really good
Terry
3/19/2022
Tester has worked out really well, only used it a few times
Looks to be well constructed & easy to use. Frees up your hands for other tasks, & has many other circuit tracing applications as well.
Cheap but does the job.
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.
Haven't needed this tool yet but good to have it in my 12 volt electrical kit.
Easy installation.
I sold the trailer shortly after installing this item.
It worked well for the amount of time that I owned the trailer.
The tool is terrific and the service was outstanding. It arrived 2 days before predicted.
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.
Scamper
11/10/2023
Reliable and useful as ever.
Amazing how quick y’all shipped it out
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
Nice product, easy to use and durable construction. Fast delivery too.
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Ricky C.
1/26/2022
Works Fine