dpkreuze,
I will give it a shot. As far as i can tell nothing has changed in the operation of the vehicle except the installation of a new power antenna which still operates with the blown fuse.

sbourg,
I tried pressing "0" with no luck. I am in the process of removing the entire control unit from the circuit to verify that it is no in the climate control. I will try to pull the fan or at least disconnect it if I can get to it reltively easily.