Audio Unit Connector A Inputs and Outputs ('03-04 Models With BOSE Sound System Without Rear Entertainment System)

When replacing an audio unit connector, match the wires to the cavities as listed in AUDIO UNIT CONNECTOR A ('03-04 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM)  .

AUDIO UNIT CONNECTOR A ('03-04 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM)

Cavity	Wire	Connects to
A1	YEL/WHT	Radio switched power
A2	WHT/RED	ACC (Main stereo power supply)
A3	GRN/RED	Radio remote switch
A4	GRN/WHT(3)	Security input
	BLU
A5	BLU	Front stereo amplifier-right rear (+)
A6	RED	Front stereo amplifier-left rear (+)
A7	YEL	Front stereo amplifier-right front (+)
A8	WHT	Front stereo amplifier-left front (+)
A9	RED/BLK	Lights-on signal
A10	WHT(1)	Constant power
	WHT/BLU(2)
A11	RED(1)(3)	Navigation unit
	PUR(2)(3)
A12	-	Not used
A13	GRN(1)(3)	Navigation unit
	LT GRN(2)(3)
A14	WHT/BLK(3)	Navigation unit
A15	BLK	Front stereo amplifier-right rear (-)
A16	GRN	Front stereo amplifier-left rear (-)
A17	BRN	Front stereo amplifier-right front (-)
A18	ORN	Front stereo amplifier-left front (-)
A19	RED	Dash lights brightness controller (in the driver's multiplex control unit)
A20	BLK	Ground (G502)
(1) '03 Model (2) '04 Model (3) With Navigation System

Fig 1: Identifying Audio Unit Connector A Inputs And Outputs ('03-04 Models With Bose Sound System)

Courtesy of AMERICAN HONDA MOTOR CO., INC.