The gears inside the odometer broke due to heat and age. You can buy the gears and replace them yourself. Or you can take your car to a place were they work on odometers.
The gears in the speedometer are stripped. If the odometer is working then you have input.
remove dash replace bulb(instrument cluster)
Mercury Cougar was created in 1967.
most odometer will need be repair by expert who cal odometer or replace the total meter
No.
fireing order 1998 mercury cougar
Where is speed censor on mercury cougar
It is quite possible in a 1996 Mercury Cougar, that when the dashboard instruments all quit at once, there is a fuse that has been blown. Most of the gauges in the dash run off the same fuse in most vehicles.
You're going to have to replace them. Find yourself a good manual that details how to remove your dash, and pray you don't loose anything.
no
how do you remove the headliner from a 1999 mercury cougar
yes