Fuel gauge problems now with youtube video

Folks I decided to put the technology of the 21st century to work for me in hopes that it will help me find the answer to my problem regarding the inop/erratic fuel gauge in my 73' Polara. Please take a moment and watch the videos below. As always, thank you for the help and advice.:clapsarcastic:

http://www.youtube.com/watch?v=1-GxV...XNg_wb90tMjw14=

http://www.youtube.com/watch?v=G4gX4...1lXUouQ46LCUFA=

http://www.youtube.com/watch?v=rljpb...6Uy1b_NwjTgyAg=