terios wiring


Hi i am new here but i need some one's help i am trying to install a new radio in my terios and i need the wiring diagram if some one can help please thanks in advance, also i have Japanese radio and i want to keep but the jap radio only go up to 90mhz so i need a transverter to let me hear up to 108mhz maybe someone can give me direction for a shop to buy this gadget thanks in advance
MaRvIk Help