window promblem
 

I have a 2002 f350 7.3l diesel. The power windows are not working not on any door. I pulled fuse 601 and replaced work for one time then quite. Replaced fuse 601 with new still nothing. The radio works and it works after truck is turned off. So its not the accessory delay relay.There is power to fuse601 .Dose any know what the problem might be.