Diagram 3 Wire Gmcs Alt. This file contains bidirectional unicode text that may be interpreted or compiled differently than what appears below. Many of the chevrolet and gmcs that are equipped with onstar dont have a 12v ignition wire that is compatible with aftermarket stereos.
Many of the chevrolet and gmcs that are equipped with onstar dont have a 12v ignition wire that is compatible with aftermarket stereos. This file contains bidirectional unicode text that may be interpreted or compiled differently than what appears below. To review open the file in an editor that reveals hidden unicode characters.
Many of the chevrolet and gmcs that are equipped with onstar dont have a 12v ignition wire that is compatible with aftermarket stereos.
Many of the chevrolet and gmcs that are equipped with onstar dont have a 12v ignition wire that is compatible with aftermarket stereos. It is a data signal wire instead and requires an adapter the metra gmos 01 if your truck does not have a factory amplifier or the metra gmos 014 if your truck does have a factory amplifier. Many of the chevrolet and gmcs that are equipped with onstar dont have a 12v ignition wire that is compatible with aftermarket stereos. This file contains bidirectional unicode text that may be interpreted or compiled differently than what appears below.