Connect hp earpiece to HU

[mydotcom]

I intend to use my stock head unit phone+ phone- and tel mute using ear piece wire, since ear piece using 1 ear plug I could wire that to phone +-. My only problem is for the tel mute what wire from the ear piece should I use to mute the head unit when receiving call, any help here ??? :tongwink:

 

[mydotcom]

Wah no sifu's, guru's or diy enthusiast willing to comment or contribute ideas huh.......hmmmmmmm :cry_smile: help leh.