Automotive Head units pinouts  > Alpine pinouts

Abbreviations of head unit pinouts

Pin
Notation
Pin function

Power pins

BAT+ Battery+  (12V direct from Battery). 
GND, GROUND Chassis Ground
ACC Ignition powered. +12 V with the ignition key is in the ACC or ON position.
ANT+ Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) 

Audio pins

RF+ Front right audio out
LF+ Front left audio out
RR+ Rear right audio out
RL+ Rear left audio out
FR-, RF-, FL-, LF-, RR-, LR-, RL- The corresponding audio ground

 


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