i read somewhere you can buy conversion wires for lexus vehicles. this is for the prewired ones like my 96 es300. i want to put in an aftermarket but i want to control from the factory deck becuase i dont want another control sitting there. i dont want to buy a used one becuase i had nuting but trouble wit my old used one. my parents both aftermarket changers for over 3 years and they work fine. i am only in hgh school so please help me out. well i was wondering if these work and where i can find them. please let me know. thanks