Set a portable am radio to am 60 or am 600.
Finding break in invisible fence with am radio.
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Plug in the sending unit so that both lights on the transmitter are lit.
Turn off your dog fence transmitter.
Hold the radio chest high and swing the radio over the wire while walking around the boundary.
Hooking up to both fence wires will send a signal up both sides of the break making it much harder to detect.
If the instructions are unavailable turn on a portable am radio near the fence transmitter.
With close to 2000 of wire i started on the end that seemed the most vulnerable i found the break about 150 from the opposite end where the kids buried a dead bird.
This product is not effective for finding partial or decaying breaks.
Do the same thing using the other wire.
What you are doing here is making a diy wire locator using a lawnmower as a transmitter a wire to connect the transmitter to the underground cable and the am radio to find where the wire is located.
The kit includes a mini transmitter and an am radio.
Ground the sending unit by attaching the enclosed wire to the center screw of an electrical outlet.
Check your fence instructions for the exact frequency.
Don t have a wire locator.
Fourth use an am radio most types of fence use an am signal including if brand not a fm signal and walk the wire listening for the tone.
The hard part was finding an am fm radio got stuck walking around with a hulking desktop radio from target.
Based upon our extensive tests we have determined that this device only works well for fence systems with less than 500 feet of wire.
Search the am stations until you have found the correct one.
Unplug your dog fence transmitter.
Find the radio frequency that your invisible fence is using.
When standing over the twisted wire the signal should be absent.
When the tone stops that may be the break.
The wire breaks must be clean breaks.
Connect your wire break locator to your twisted wire.
How to find break in invisible fence using an am radio.
This usually is an am frequency on the lower end of the spectrum.
Hopefully the break will be in the same spot unless you have multiple breaks.
Now that the wire locator transmitter is hooked up and sending a signal with our fence unit we can use the wire locator receiver to find the break in your underground fence.