check the speedo cable and see if it needs to be lubed. if car has cruise control, it will have a upper and lower cable.
Having the speedometer jump and the engine stall in the 1994 Jeep Grand Cherokee Laredo could be a problem with the idle and the transmission. The transmission slipping can cause the speedometer to jump.
== ==
65mph
Need a new speedometer or speedometer cable.
check to see if vehicle speed sensor is bad. it will show up on computer scan that can be done at autozone for free.
Jump Bug happened in 1981.
Jump Bug was created in 1981.
I Can Jump Puddles - 1981 TV is rated/received certificates of: Australia:PG
check if it has a speedometer cable if not the speed sensor needs to be replaced
I Can Jump Puddles was created on 1981-06-07.
If it's a cable speedometer, it's probably a worn cable. If it's electronic, it's probably internal damage or wear.
It is right around 3300 lbs, pretty light! For all the Corvette generations weights feel free to jump over to Smokinvette.com!