ive got a 2001 vec b cdx, when i fitted my bury handsfree kit i also had to get a "mute" cable for it but alot of people told me there should be a factory fitted wiring loom for a phone kit so that it mutes the headunit and comes up on the display, ive hunted high and low behind the glovebox for this wiring but no luck, will i not have it because my car has a cd changer ? or is it likely to be well hidden? its not an issue and works good at the mo but i would rather use the factory loom if its there. anyone got a picture of what im looking for?

thanks