All Windows Inoperative

Check for a blown No. 5 or No. 15 fuse. Check for faulty power window relay. Ensure ground circuit (Black wire) connections between master power window switch and chassis ground are clean and tight. Check for open in power feed circuit (Yellow/Green wire) between fuse No. 5 and power window relay. Check for open in ground circuit (Black wire) between power window relay and chassis ground.