Speedometer problems.

[I own a lemon!!!!]

2003 Liberty 3.7L V6 4x4. I have changed both sensors for the speedometer, and it still is not working. The wires seem fine at the transmission and rear diff. Can anyone give me any other suggestions as to why it is not working.

 

[kingmega]

may geuss would be the gauge cluster it's not unheard of