Pinouts >  Acura or Honda Car Audio Head units  >  Honda pinouts

Meaning of Head Unit pinout signals

Pin
Notation
Pin function

Power pins

B+ 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.

Audio pins

FR SP+ Front right speaker out
FL SP+ Front left speaker out
RR SP+ Rear right speaker out
LR SP+ Rear left speaker out
FR- or RF-, FL- or LF-, RR-, LR- or RL-, SGND The corresponding speaker ground

 

24 pins unspecified connector layout
24 pins unspecified connector
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