speedo n rev counter not workin

[Ricssaxo]

my speedo n rev counter have stoped workin.
does ne 1 know why??
is this a major job to fix it??
thanks

[Saxo-Slag]

try they wiring on the dials. if not maybe fuse

[Ricssaxo]

wheres fuse 4 it mate

[Sean]

try disconnecting the battery for an hour or so