Abbreviations of head unit pinouts
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| Ub | Battery+ (12V direct from Battery). |
| GND, GROUND | Chassis Ground |
| A+, ACC, S-K, S-kont, SWA | Ignition powered. +12 V with the ignition key is in the ACC or ON position. |
| ILL, LAMP, Lume, iLLUM | Backlight illumination |
| ANT+, P.ANT | Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) |
| GA | This pin is used in some radio equipment to automatically boost up the volume. It needs the output from the speed sensor. |
Audio pins |
|
| FR+, RF+ | Front right audio out |
| FL+,LF+ | Front left audio out |
| RR+ | Rear right audio out |
| LR+, RL+ | Rear left audio out |
| FR-, RF-, FL-, LF-, RR-, LR-, RL- | The corresponding audio ground |
| GROUND SP | Speakers ground |
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