A 1991 dodge dynasty speedometer bouncing could be a sticking speedometer cable, or a bad drive gear. Check the cable first, and lubricate it to see if the problem stops.
Either the Speedometer itself is bad or the speedometer cable is. either one isn't too difficult if you have pulled a dashboard out before.
It looks like a1989 dodge dynasty! Go to your browser search, and type in pictures of 1989 Dodge dynasty and you will see what a 1989 Dodge dynasty looks like.
A 1996 Dodge Ram does not have a speedometer cable. The system is all electric.
Dodge did not make a 1996 Dynasty. The last Dynasty was built in 1993.
I have the same problem on an '89 Dodge Dynasty. I am told that the odometer and speedometer in my car are driven by separate cables and that I simply need a new cable for my odometer to function properly again. I have not verified this information, but it might get you on track.
No cable, speedometer is electric
Where is coil located on a 1989 dodge dynasty at
you can go to speedometer and out of speedometer
1998 Dodge Caravan Speedometer Has a second connector attached with a white pigtail. What is that used for and will it operate without it?
Why does a 93 dodge dynasty leak transmission fluid?
How do you bypass the alarm system on a 1990 Dodge Dynasty?