Mark H Posted August 15, 2019 Report Share Posted August 15, 2019 Can anyone help, I have a 2013 edge limited and want to add a small amp to my stock sony stereo. There 2 plugs in the back of the head unit. Does anyone know the speaker wire colors for front and back, right and left. My amp wires are color coded but cant find anywhere my stock stereo speaker wire colors information. Quote Link to comment Share on other sites More sharing options...
truckroot Posted August 17, 2019 Report Share Posted August 17, 2019 If you are looking to add an amp to the Sony Premium system in a Limited, you cannot tie into the wires at the back of the HU without some FORSCAN mods. Reason being is that it is a fixed voltage out of the HU to the factory amp. You want a variable voltage to tap into so as the volume goes up, the voltage through the RCA to your amp goes up. The wires out of the HU are just left, right, and data bus wires; the factory amp does the rest as far as front, rear, etc. Are you looking to just add a sub? Quote Link to comment Share on other sites More sharing options...
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