[ds1950]

hi i'm new here hi all i have 2001 pt cruiser i tried to remove the stock stero to have a newer radio and while exchanging i noticed pci wire connector i do not know where this connects to on new radio and somehow don't my interior lights don't come on ( the ones that turn on when door opens ) the radio does not turn on a message appears on the odometer saying (no fuse) but all fuses were in place has anyone had this problem or can tell me why i'm having this problem any help will be appreciated