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Re: Speedo Stopped working
Sounds like the speedo cable has either come loose or come appart if the odometer is still working the dash cluster guage is faulty if thats the case you need to replace dash if you dont feel comftable attempting to fix seek a mechanic
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If the speedo and odometer are both dead, you should have shifting problems and a check engine light. The speed sensor in the transmission has probably died.
If the speedo does not work but the odometer does, chances are the problem is in the speedometer head.
You may need another speedometer. The speed sensor sends a signal to both the speedo and the odometer. So if the sensor fails, both meters would stop working. The speedo gets power from the same circuit as the warning lights.
The speedo and odometer both use a signal from the speed sensor in the transmission. If both have stopped working, the problem could be the sensor. If the odometer still works, the problem is inside the speedo head.
In 1990 most Automatics had a cable driven speedo. If not...were it is connected to the trani there is 1 bolt holding in the electric speedo unit. Check the connection and or replace the speed sensor that the bolt is holding in
The speedo head or cluster is the part that houses the speedometer and tach, etc. now it may be the speedo cable that comes from the transmission to the speedo head that has broken. If so replace the cable and your back in business. If it is the head you can get them from your local recycle yard.
ok if its a cable driven speedo then the cable has snapped or the speedo drive that goes into the gearbox is gone ,,also if its electric speedo then id go with the electric speedo in the gearbox ,,,a ten mil nut holds it in and it goes straight down into the gearbox,,youl see it from under the bonnet ,,
it has no cable, it is an electronic speedo, you will need to pull the speedo out and send it out for repair, here is a place that can do the work much cheaper than the dealer. call them.1-888-495-2777