You just saved me a few hundred dollars and a lot of time. Have 2006 Dodge Grand Caravan. Dashboard went completely black, no signals, no airbags, no dials/needles. Problem was F24 20amp yellow fuse for Hazard was blown. Paid $1.07 to fix!! 😊
You can try to switch it with the one that is already in the circuit just temporarily to test if the relay is bad. If that fixes the radio then buy the new relay and install it.