Question about Sony CDX-GT420IP CD Player
Use the speaker wire outputs on the wiring harness on the back of the radio. The RCA outputs are for using an external amplifier, so you do not want to use them. The speaker wires should be color coded. The front speakers are normally grey and grey with a black stripe for one side, and then white and white with a black stripe for the other side (left and right sides)
The rear speakers are violet and violet with a black stripe and the other rear is green and green with a black stripe. All the solid colors are the positive speaker output and the wires with the black stripe are the negative speaker outputs.
These speaker outputs are on the same harness as the power connections to power up the radio. I believe that it has more than 10 wires on it. I am not sure what socket you speak of that is 10 pin and has speaker outputs. The speaker outputs alone are 8 wires, so the harness will have more than 10 wires. It also has the yellow wire for constant 12 volts to keep memory, the red wire to connect to 12 volts when the vehicle is on, and the black wire for the ground. Then it should also have a blue wire for use with an external amplifier to turn it on or to use for a power antenna to turn it on. You may also find several other wires on it like the orange for illumination and brown for muting the radio when a phone is in use. Those last few wires do not need to be used unless you want them for a specific purpose.
Posted on Jan 24, 2009
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