Someone posted. Ground Control does as well... I thought I'd inform everyone that I had to contact them on a older Head Unit I had at home DEH-P7400. Anyway It was not listed on the site to I e-mailed them and what do ya know I got a reply...

If anyone has an older Pioneer radio here is the wire color codes...!


Before 1999 - Low Power Car Stereo KE models only.
GREEN - left front positive

GREEN WITH RED STRIPE - left rear positive

GRAY - right front positive

GRAY WITH RED STRIPE - right rear positive

BLACK - negative for all speakers

RED - switched power

ORANGE - constant power

BLUE - trigger for amp or power antenna

YELLOW = to lighting switch terminal.

Then connect a ground wire from the center post on the back of the radio, to
chassis ground.




Before 1999 - High Power Car Stereos DEH & KEH Models only.
GREEN is the left front ( + ).

GREEN/BLACK is the negative ( - ).

GREEN/RED is the left rear ( + ).

BLACK/GREEN is the negative ( - ).

GRAY is the right front ( + ).

GRAY/BLACK is right front negative. ( - ).

GRAY/RED is right Rear Positive ( + ).

BLACK/GRAYis the right rear negative ( - ).

RED is the Acc lead.

ORANGE is for memory.

BLACK is ground. ( - ).

BLUE is for power Ant.

YELLOW is to lighting switch terminal.




1999 Models - DEH & DEHP , KEH & KEHP
WHITE = left front speaker positive

WHITE/BLACK = left front speaker negative

GREEN = left rear speaker positive

GREEN/BLACK = left rear speaker negative

GREY = right front speaker positive

GREY/BLACK = right front speaker negative

VIOLET = right rear speaker positive

VIOLET/BLACK = right rear speaker negative

YELLOW = to terminal always supplied with power

RED = to terminal controlled by ignition switch

BLACK = chassis ground

BLUE/WHITE = to system control of power amp or power antenna

ORANGE = to lighting switch terminal.




DFS Alarm:
WHITE - Door Trigger - +/-

BROWN - Pulsed Output - + (500ma max.)



DFS Alarm +
WHITE - Door Trigger - +/- Input

WHITE/ORANGE - Remote Disarm - (+/-) Input

BLUE/BROWN - Starter Disable - (+) Output (500ma.)

WHITE/RED - Auxiliary Trigger - (-) Input

BROWN - Switchable Pulse/Constant Output - (+) Output (500ma.)