Accessory power
 

I'm adding an amplifier to my radio and can't seem to find a power supply that is hot with one push off the button (accessory only) Ive checked all the fuses in the car and under the hood, and only can find power with key full on position. Does any one know where to attach? Thanks

I'm assuming an 07+ , the radio fuse should be the best bet , use an add a fuse