look in your owners manual
The fuse for the radio in a 2000 Dodge Avenger is 10 amp.
in the fuse panel
The radio fuse for a 2004 Dodge Durango is in the main fuse box. It is almost directly in the middle of the box, right beside of relay cb1.
ECU fuse
"Radio" or "rad" can be used, or you can find a number. If there is a number of the radio fuse, the manual or the fuse box cover to find the labeling.
Look at the fuse diagram in the owner's manual.
There is no fuse for the speakers, only the radio.
It is in the fuse box under the hood.
fuse number 11 under the hood
look in your owners manual for the position of the radio fuse in the fusebox.
It's in the fuse box and should be marked radio and the fuse box is up under the dash on the drivers side.
It will tell you in your owners manual if you have it.