What is a key 2 wire?
The Key 1, Key 2, and Key GND wires will be used to interface steering wheel controls if your vehicle came equipped. Most newer vehicles will also need the Axxess ASWC-1 to translate the steering wheel controls to this stereo.
What color is the steering wheel control wire?
There are two wires used for steering wheel controls. Each interface (either stand-alone or as part of a multi-function product) has one blue/yellow wire and one black wire with a stereo-type 3.5mm plug. Both wires accomplish the same purpose: transfering the SWC signals to the radio.
What is the yellow wire on a car stereo?
The 12V battery wire is yellow, the accessory wire is red, and the dimmer/illumination wire is orange with a white stripe. The right-front speaker wires are gray, left-front speakers are white, right-rear speakers are purple, and left-rear speakers are green.