I just did a tranny swap in my fc and now i dont have a speedo. I checked the cable and it was hooked up. I still have a working odometer. there may have been one wire on the tranny that i didnt hook back up, would that be the problem?

Does the speedometer and odometer run off the same line?


Thanks
---James

 

yes, you need to have all the wires hooked up

 

everything is hooked up but i still have no speedo!

 

Check the connections on the back of the instrument cluster

 

samething happened to me....just replaced my tranny.....I took off and the speedo jumped up and then shot down and hasnt moved since.

 

Yes, they are both on the same cable. If odometer works and the speedo does not, then you have a bad speedometer.

 

In the transmission, not the gauge right?

 

Path is :
Transmission to speedo gear to speedo cable, to speedometer.

Then in the Speedometer assembly the input from the speedo-cable has a worm gear that splits off to the three odometers (main display, resetable, and hidden/20K miles switch)

So again, if any odometer is working, but the speedometer is not, then the problem is in the speedometer assembly.

 

Would there be a reason that it would just stop working one night, well the night i did a tranny swap?

It has always been fine before. I have and extra gauge cluster that i can try this weekend. i just dont understand why my speedo would just stop. :/

 

Well, again, if the odometer is still working, that pretty much confirms that the speedo cable is hooked up, even if the speedo itself is not working.

So are you sure that any of the Odometers are really working???

 

yes. They still count the miles just find. I always use it to check my MPGs on trips to to and from school. And still.. the speedo lays flat.

 

then your speedo is muffed

but I would make damn sure that the odo is counting up befoer you go shoping for a gauge cluster

 

ill try a new one this weekend

I have an extra one or two

 

You prob messed it up pulling the connection off to do the swap.