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  1. Join Date
    Mar 2003
    Posts
    2,999
    #1
    anyone know how to use the yellow wire behind the HU. it says connect to car kit. If im not mistaken it lowers the volume everytime you receive a call. but in my case I installed a back up sensor with weak sound., and id like to use this cellphone mute feature. Do I just connect it to the ground? thanks in advance.

  2. Join Date
    Mar 2003
    Posts
    2,999
    #2
    anyone?

radio mute wire for cellphone.  How to   trigger? anyone