[jsmith948]

Well - first we need a little more info. But this is what I would do: Start at the receptacle. If there is power there, then work downstream to the the trailer panel. If you have power at the plug, but not at the trailer, the cord/connections could be faulty. The main breaker could be bad at the trailer's power panel. My suggestion would be to troubleshoot the various components and then get back to us. If you do not understand ac power, call an electrician.