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My power windows don’t work and when they do it always blow a fuse

Repairing power windows that are blowing fuses will usually mean a ad wire in the door jam . I would start there and look for cracked or bared wires. Check the wires continuity by finding each wire on either side of the door jam and testing each wire to see if one is bad . If this brings no Joy then move to the switches in the doors testing each of them . You can also test the winding motors in the doors could be a bad ground . Hope this is helpful

There is probably a short circuit somewhere along the line. Remove the motorized parts and look for burn marks or exposed metal.