Dash Disassembly

Bruce, funny thing, i just got done doing this to my 73 duster, im sure it is close to the same.
dash pad is 5 - 3/8 cap nuts across the top , one directly in the middle and evenly spaced to the edges. where the pad drops down, there is one 5/16 headed screw on each side. my heater controls have 2 3/8 cap nuts and 2 screws holding it to the bezel.

mine were hand tight and i was able to twist them off with a deep socket and short extension. of course you need the gauge cluster out and the box liner , and you will need to pull the wiring harness down that runs above the cluster.