my fuel gauge still says i have a full tank of gasoline and its an empty tank... on 1999 Pontiac Grand Am

Fill up on saturday and it should be done to a half of tank..

Asked by for the 1999 Pontiac Grand Am
1 answer 2 comments
Its probably wiring problem shorted
That would explain why radio dont light up too.
I think it seperate problem , that could be defective radio , different systemS..