2002 F250 Door Locks Not Working

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2002 f250 door locks not working. Recently purchased this truck. One beep confirms the auto locks have been disabled. Auto door locks do not work. I checked all the door latch switches and they are all good.
Press the power door lock button once and listen for the horn to beep one time. The rear power door locks do not lock or unlock with the remote or with the lock switch in the front doors. Radio stays on when engine is turned off and key removed. How to replace or repair door lock actuators for 1999 2007 ford f 250 350 s.
2004 f 250 crew cab rear power door locks 3 answers. Two beeps one short and one long signals that the auto locks have been enabled so if you receive two beeps start the process over again. 1 door ajar light on 2 dome light does not come one when door is opened 3 door lock switches both quit working 4 radio does not turn off w. 3 door lock switches both quit working flashed several issues came up all at once on my 2002 f 250.
They make no noise at all either one. The 2002 ford explorer has 7 problems reported for power door lock not working. I see only one fuse.