i am new to this so give me a break. i have a pioneer 3200 dvd installed in a 2003 yukon with the PAC OS-2CBOSE and it is bypassed with a relay everything worked fine for about 3 months then one day i was listening to it then the sound just stoped all together i havnt had the chance to even look at it yet but just wanted to get yalls feedback first thx in advanced.