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The IOD fuse is for the dome lites, and radio. If the IOD fuse is good which is in the PDC box. Then check the fuses in the fuse panel. Ck the fuse with a 12v test lite, just looking at the fuse will not show you if its good.
You have an open circuit to the radio and dome lites. Then you may need to take it to a repair shop.Because i don't know if you have the tools to ck an open circuit.