odometer shuts off periodically. on 1999 Ford Mustang

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
odometer shuts off sometimes.only visible at night,but very very also does this sometimes.only on off button works on it.
(2) Answers
I thought I was the only one as mine does this too. Sometimes if I turn my headlights off and on it will re-appear. As for a permanent fix, I have not found it yet.