Dodge Durango Instrument Cluster Replace/Remove

My Speed Odometer Has Quit Working And Ive Changed The Instrument Cluster And According To The Snap On Computer I Have Output Shaft Speed...

I Have Been Told That I Need Another Instrument Cluster,my Question Is Will A Different Cluster Show Different Mileage?and If So How Can I...

I Am Thinking About Purchasing A 1999 Durango But None Of The Instruments On The Dashboard Are Working. The Owner Said That He Replaced The...