I have a 2004 Mazda Rx8 I was messing with my aftermarket radio and the radio stopped working. I have checked every wire that could possibly affect it and I'm almost positive that it is the main radio cable behind where the radio sits is there a DIY on how to replace that cable, also I have an amp and sub and the amp wont turn on either but all of the cords are in correctly and hooked up well.

 

did you check fuses?

 

Yes all fuses are fine. I remember pulling the cord a bit to try to make it come out longer and then the radio shut off could I have unplugged something?