Head unit pinout abbreviations meaning
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| B.U. | 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. |
| ILL | Backlight adjustment |
Audio pins |
|
| R+ | Front right speaker out |
| L+ | Front left speaker out |


