hey, im tryin to install subwofers in my 1997 discovery. i have an aftermarket cd player on the dash board and got rid of the 6 cd disc changer. ive done everything besides the part where you have to get behind the cd player and wire the chords to the cd player. i was wonderin how to get up behind the cd player. i tried takin the AC/heater dash off but couldnt. any ideas on how to do this. if so please let me know. asap. thanks