Shown below are the pins wires coming out of the factory STEREO HEAD UNIT

2004 Toyota Camry Stereo Head Unit Connections

Pin 1 light Green Wire FR (+)
Pin 2 Pink Wire FL (+)
Pin 3 Grey Wire Fuse (accesory) Voltage Supply
Pin 4 Blue Yellow Fused Voltage Supply
Pin 5 Blue Wire FR (-) Right Tweeter
Pin 6 Violet Wire FR (-) Left Tweeter
Pin 7 Brown Wire Ground (dash bracket)
Pin 8 no connection
Pin 9 no connection
Pin 10 Green wire illumination (interior light system)

Pin 1 Red Wire RR (+) right Rear SPKR
Pin 2 Black wire RL (+)
Pin 3 White Wire RR (-)
Pin 4 no connection
Pin 5 White Green Wire Illumination
Pin 6 Yellow Wire RL (-)

If you need a detailed stereo wiring diagram, please contact ATS

Legend

LF left front
LR left right
RR right rear
RL right left
RR right rear
SPKR Speaker
GROUND ground supply connection
(+) positive wire connection
(-) negative wire connection

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