Q: what do it means wen the speed hand sometimes work what that means on 1998 Mercury Mountaineer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
some days it works and the next it dont she needs help
(1) Answer
If your odometer is working when the speedometer quits, That means it is a cluster or speedo head. If they both stop working it could be the speed sensor or the transmission speedo gear.
Didn't find what you were looking for?