Water pump won't stop running

A couple of weeks ago, my stepson attached two hoses to the faucets connected to the water pump. When he was done, he turned off the hose that had water coming out freely but did not turn off the hose that had a sprayer on it so no water came out. Apparently the pump ran all night and developed leaks at the insertion points of the two pipes connected to the well.
I replaced both pipes and when I turn the power on to the pump I get excellent pressure to the faucets and the water pressure gauge between the pump and the tank goes from 0 to about 40.
The problem is that no water is getting any of the sprinkler heads and the pump will not stop running. After replacing the pipes and letting the pipe cement set, I tested the sprinklers and they ran fine (although the pump still would not shut off). I only tested for a minute or so because we are under a water restriction and it was in the middle of the day. When I was able to water, I turned on the pump and sprinklers but nothing happened. The pump is continuously running but the sprinklers are not working.
Do I need a new pump? Is there a way to fix it? I am pretty much learning everything as I go along and this was my first PVC pipe repair job. Any thoughts?.
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Nelson,
Get a book on wells and read up so you can trouble shoot this. The local library should have these books. At a guess your pressure switch is broken. This is a switch which turns on the pimp when the pressure is low and turns off the pump when the pressure is high. I doubt that your step-son's actions caused your problem.
Dave M.
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On 12 Jun 2006 09:30:27 -0700, "rw snipped-for-privacy@hotmail.com"

You dont mention the type of pump. If it's a submercible, I am not sure what to say, except the pressure switch may be stuck. If its a jet pump (in the basement, pit, or shed), I may be able to help. Since you said two pipes to the well, I am assuming a jet pump. I had problem once with a jet pump. Next to the pump is a one way valve. A brass cylinder in the pipe. It's probably stuck open. so the water is going right back into the well, and thus you can not maintain pressure. If shutting off the pump causes the gauge to drop to zero rather quickly, that is why. Smack that valve with a heavy wooden mallet or chunk of wood. (not a metal hammer). That may easily make the pump turn off. If so, replace that valve as soon as you can. If that dont do it, the pressure switch may be stuck. They have contacts inside that can stick together. They can be pried apart but you are dealing with electricity, so be careful ad use an insulated tool. Better yet, replace it. Let me know if this helps.
Mark
Either way, DO NOT allow the pump to keep running or you will burn it out. Shut it off, and turn it on when needed until fixed.
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