my cd player suddenly stopped working... i had one heck of a time gettin it to work anyways. it turns on, but there is no sound at all. all my speaker wires are fine. there is just the red power wire, a black ground, and the yellow power to make it turn on when u turn the key,. there is also 2 extra blue wire. any help is much appreciated!!!!

 

ok 1st off, what year, and make is ur truck and what cd player is it. the.
black=ground
red=main power
yellow=iginition

i need to know more info before i can help u.