2002 impala door locks stopped working

I have an '02 impala and the power door locks stopped working . both remotes and the front driver and passenger manual locks also stopped. I checked all of the fuses in the fuse boxes on both sides of the dash and the 2 boxes in the engine compartment. when I hit the unlock or lock buttons on the drivers side or passenger side I can hear a faint click behind the dash next to the fuse box on the drivers side. the trunk still works on the remotes and from inside the car.  anyone have any ideas as to the problem? thanks 

DATA fed.......Locks get message from BCM.............You might want to check your Lock & Unlock wires for voltage.  If nothing could be Relay or BCMMO

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