How to Find a Broken Underground Wire for Husqvarna Automower

My husband recorded this video about the tools and method he used to find the broken underground wiring for our Husqvarna Automower. We did a lot of moving our wiring around when our patio was built which messed up our initial boundary wiring. Unfortunately we knew we had a break SOMEWHERE, but not where. He was able to find the location, dig it up, and repair it using this tool.
Edit to add: The black wire on the transmitter is not attached to anything. The black wire on the receiver just hangs down to help you find the break.
Supplies you can use (affiliate links- I may receive a commission if you make a purchase with these links):
-Kolsol Underground Wire Locator, Cable Tester F02 Pro with Rechargeable 1100mAh Battery: amzn.to/2QIAJOT
-GWHOLE Pack of 20 Electrical IDC 314-BOX Wire Connectors for Robotic Lawn Mowers, Irrigation Applications: amzn.to/3gAWVFo
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[@wertiaaudit5746]

So let me get this straight , I can use a multimeter and hook it up to a radio , and put one multimeter stick in the ground and the other on the antenna and if the one on the ground makes a sound the radio antenna while it's on will show higher volts?

[@trevor-bd4kt]

Would u recommend the pro for deeper lines..say 2 ft?

[@adrianaleon3283]

My transmitter is in my garage and I think it’s too far but there’s nowhere else my pet fence is. The main box is in the garage so what do I do

[@wertiaaudit5746]

Are we allowed to use handheld FM am radios to detect ground wire via multimeter ?

[@joysummer1018]

Tried it, no luck. But maybe you would have better luck

[@nanopineiro]

where you put the black cable?

[@doityourselfdanielle]

The black wire on the transmitter? The black wire is not used, at least as far as we can tell and we've found a few broken wires with this at this point thanks to my dog digging the yard up looking for a mole. The black wire on the receiver just hangs down to help you find the break.

[@hilfordelectrical221]

Dude - can you answer the question where did you connect the black wire? Did you connect to to an earth?

[@doityourselfdanielle]

The black wire on the transmitter? The black wire is not used, at least as far as we can tell and we've found a few broken wires with this at this point thanks to my dog digging the yard up looking for a mole. The black wire on the receiver just hangs down to help you find the break.

[@hilfordelectrical221]

@@doityourselfdanielle so the black wire on the transmitter just sits on the ground? If so it's likely acting as earth return and would work better if clipped to a ground stake.
Can you specifically clarify what you did with the black transmitter wire?

[@andrewyoungren1371]

@@hilfordelectrical221 You can ground it by attaching to a screwdriver pushed into the ground

[@DrJoonPark]

I'm not an expert in this area, but here is what I have found in my research.
These things were designed initially to find broken wires in walls (like regular house 120v AC). Then people started using them outdoors for things like low voltage outdoor systems (ex 12V DC power). Both of these utilize 2 wires. In this case the black the and in both circumstances the black clamp is for the ground (or earth as you say). People typically attach it to both the ground wire and a nail (or stake or screwdriver) at the same time. Like connect the ground wire to a nail and then clamp the top of the nail with the balg alligator clip.
If you have one wire, you can do like others described and just "ground" it by connecting it to something conductive that you stick in the ground

[@sandralewis8792]

The black cable attaches to............???????

[@doityourselfdanielle]

The black wire on the transmitter? The black wire is not used, at least as far as we can tell and we've found a few broken wires with this at this point thanks to my dog digging the yard up looking for a mole. The black wire on the receiver just hangs down to help you find the break.

[@jsl235]

nothing, just leave it be

[@joysummer1018]

@@doityourselfdanielle Aren't we supposed to clip the black clip to something? Like a screwdriver pushed into the ground?