Hi i currently own a 2003 disco se 7,i bought a full system ,and then went to pay for it to get installed and they claimed they could not do it on this truck?,whats the deal ,or what do i need to install it,i know in order to install it because it is a 2 din touch deck i would have to modify the panel,but other then that what else ,thanks guys ,,,,,,,LR NEWBIE.