For the heater-A/C blower resistor, you access that from just above the passenger's feet.

To take out the instrument cluster, search "Chrysler Crossfire SKREEM access" or "Chrysler Crossfire SKREEM Removal" with google and look for the responses here.
See, to get to the SKREEM, the instrument cluster has to come out.

Our resident search feature is crap, I use google as it searches this site better than this site can search itself.