BUICK CENTURY REAR WINDOW DEFROSTER

My Rear Window Defrost Does Not Clear The Window. The Switch In The Dash Indicates Working. Seems The Connectors On The Glass Are Worn....

Hi. Just Bought Car. Rear Defogger Not Working. Light Goes On When Button Pushed. Fuse Ok. What Next? Any Simple Fix Like A Relay, Bad...

Problem Is I Checked All The Fuses(i Have No Owners Manual ), The Rear Window Switch Does Make A Click Sound And Sounds Like It Works But...