The fuse box is located on the passenger side of the engine compartment. Open the hood and look near the battery. You will find the fuse box cover with a diagram of the fuses on the inside.
Fuse Number
The fuse for the 2003 Mazda6 stereo is fuse number 14. It is a 10 amp fuse.
Fuse Replacement
If the fuse is blown, replace it with a new 10 amp fuse. Make sure to use a fuse that is the same amperage as the old one. Otherwise, you could damage your stereo.
Tips
* If you are having trouble finding the fuse box, consult your owner's manual.
* If the fuse keeps blowing, there may be a problem with your stereo. Take your car to a qualified mechanic to have the stereo checked out.