i already have the HU installed and this would be my second on, theres no short
and yes you are right the brown loop wire must be cut, but im talking about a different brown wire, no loop, its the mute wire that puts the HU in mute when the phone is activated, im not complaining about my GMOS-09. im complaining about the HU
the following wires on the 14 pin harness are for the aftermarket radios
that have navigation built in:
1. Connect the Brown wire to the mute wire of the aftermarket radio.
2. Connect the Green wire to the parking brake wire of the aftermarket radio.
3. Connect the Blue/Pink wire to the VSS or speed sense wire of the aftermarket