For the Panasonic CQ-VD6503U, the typical stereo wiring color codes are as follows: the yellow wire is for constant power (battery), the red wire is for ignition/accessory power, the black wire is the ground, the blue wire is for power antenna or amplifier remote turn-on, and the speaker wires are usually color-coded with white and gray for the front speakers, and green and purple for the rear speakers. Always refer to the specific wiring diagram for your model to ensure accuracy.
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