http://www.the12volt.com/installbay/stereodetail/1981.htmlabove is link to wiring for 94 legacy , yet another source has a different layout , make sure the colors match your vehicle , 2 sources provided .
yellow/red = hot in on - fuse 17 -15amp
green = interior lights
blue/red = hot all times , fuse 25 - 10 amp
black = ground
yellow/blue = interior lights
black/green = power ant.
red/yellow = right fr neg
brown/white = left fr neg
white/red = left rear neg
blue/yellow = right rear neg
white/black = right fr pos
green - left fr pos
red/black = left rear pos
red/white = right rear pos
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