Tammy Pollock

So I bought a 2002 mustang GT and my speedometer was not working so i sent the cluster away and it tested good so the next thing i came to was the sensor so ordered one and when it came in it wasn't the right one the sensor that is in the car is gear driving and the one that came in magnetic geared so I called the dealer back and gave them the part number off the sensor that was in the car and as it turns out that sensor came back as a 1999 trani so now I'm trying to figure out how to get the car to read that sensor any ideas? I just hope it not going to be a trani replacement