[djjasond]

4) You now have access to the bottom of the amplifier where the wiring harnesses are connected. There are two plugs. The input signal from the factory head unit is on the rear and larger plug. Pictures show the rear plug unplugged and wires tapped. Use the following wires for your line output converter:
Radio pin A18- Radio Left +: Dark Green / DarkBlue (amp pin A7)
Radio pin A19- Radio Left - : Dark Green / Orange (amp pin A19)
Radio pin A21- Radio Right +: Grey / Dark Blue (amp pin A8 )
Radio pin A20- Radio Right -: Grey / Orange (amp pin A19)
(picture 11, 12)