i have a 04 GTP COMP G with the D3 pac module and the "great" gmos-04 interface.. the first one i bought last march worked for ten minutes,, everything hooked up correctly the crutch field sent me a new one.. all i did was sent back the interface since the harness' were soldered to my D3's harness' plugged in the second one and everything was A-OK untill monday.. no sound, noo beeps, no nothing take the key out of the car wont shut off.,, lock the car look in the window its still on! so i took it out and put the stocker (monsoon) back in everything works like it should, they sent me a new one