RVLI, Thanks for the advice. I will see what I can find. I've tried to avoid the cost because the money just isn't there. I will let you know if I'm successful.
I know this topic was discussed briefly about a year ago but I'm hoping someone has a better option than the ones I saw. I have a neighbor with an underground sprinkler zone that is not working. I suspect the solenoid valve is not opening. The problem is this neighbor does not know where the valves are buried. I found one valve by probing with a pole but it was not the malfunctioning one and I have been unable to find the other valves. I tried a device used for tracing phone lines but it is not ...