please help still can,t find the answer i,m looking for tried 3 rotary couplers now and still my steering controls won,t work with my alpine oem stereo i,ve heard somewhere don,t know if it,s right that you have to have the sub woofer fitted is this correct? by the way mine is a 1999 dse did not have steering controls fitted as standard i,ve bought a new steering wheel with the membrane saying hi (think it means hi line) the back of the radio has a space for anothe connector in the middle i take it this is for the sub woofer again not fitted as standard on my vehicle any help would be appreciated as it,s do in me head in now to whats wrong or missing rgds neil 