Red=power ' black=ground ' yellow = all-time-hot ' blue = power antenna or remote wire (to amp if equiped) orange is for dimmer function i never have luck with this wire working right, suppose to dim head unit with the dash? your purple, green, white and grey wires all have a twin with a black stripe those are speaker wires. now as to the lined wire being negative or positive. i say negetive wire has the strip.My researching shows a 50/50 split of opinions from the web on that debate. i hope i was answering what you were needing
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