well miby try a new sender unit or check the wire is not eathin if u take the wire off and put it on the block or earth ur gage should go straight up and stay aslong as u hold the wire on a earth
and how wid she lay 2 surly didni get a fright again in time to lay second
also yb at that age would be coverd and a dont think she wid lift to let sombody else in ti lay