Radio circuits, midline for Nissan Altima L31 (2001-2004)

ANTENNA AMPLIFIER (LEFT "C" PILLAR) AUDIO UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE COMBINATION METER COMBINATION SWITCH (SPIRAL CABLE) FUSE 6 FUSE BLOCK (J/B) (LEFT END OF DASH) FUSE, FUSIBLE LINK BOX (LEFT FRONT OF ENGINE COMPT) FUSE 31 GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR ACC JOINT CONNECTOR 1 (UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 3 (UPPER RIGHT END OF DASH) LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER LEFT TWEETER SPEAKER NCA WIRE PPL PPL 22 23 24 25 26 27 28 29 SPEED SIGNAL RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CTRL A REMOTE CTRL B REMOTE CTRL GND RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER RIGHT TWEETER SPEAKER RR LH SP (-) RR LH SP (+) RR RH SP (-) RR RH SP (+) STEERING WHEEL AUDIO CONTROL SWITCHES WHT WIRE WHT/BLK WIRE WINDOW AMPLIFIER YEL WIRE YEL/GRN WIRE