you have to get anew speedometer,speedy bo peep.
I need to fix the odometer and speedometer in a 97 ford explorer
If the speedometer works, but the odometer is not working, there could be a fuse blown if the odometer is digital. If the odometer is not digital, then a gear is broken in the speedometer cable. It should be replaced.
Dash Electronics & Speedometer the number is (248) 835 1332 www.dashusa.com
Speedometer is ran by electronic sensor on rear end. Odometer is ran from speedometer. If both don't work problem is sensor. If speedometer works sensor is okay. If speedometer works and odometer does not problem is in mechanical parts (gears) of of odometer and has to be replaced. Can get used from eBay (search for speedometer or odometer, is one unit) or take to dealer.
If both the speedometer and odometer are not working I would suspect the VSS (Vehicle Speed Sensor) is at fault. If the speedometer doesn't work and the odometer does, I would suspect the instrument cluster is at fault.
Replace the instrument cluster.
As far as I know, you have to replace the cluster.
If the odometer has failed, does the speedometer still work? They are both driven by a cable which spins. If the speedometer is still working, than the odometer has jammed. Probably a dealer fix.
There is a cable which runs from your front axle to the odometer/speedometer. Inside this cable is a gear box. As the front axle spin it transfers how fast your axle is spinning to your speedometer. This also spins your odometer. Something is either worn out in the cable, gearbox, or one of the ends of the cable has become disconnected. It's a very inexpensive fix.
the little gear that turns the numbers is broke and the only way to fix is replace the whole speedometer.
If the trouble is the speedometer itself, you can't; but it could be the sending unit and that can be replaced fairly easily. If you remove the right front wheel and move the skirt it can be seen on top of the transaxle extension. If your speedometer AND odometer have ceased to work this is the culprit but if the odometer works accurately but not the speedometer you need another instrument cluster to get a new speedometer.