Abbreviations of head unit pinout
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| BAT+ | Battery+ (12V direct from Battery). |
| GND, GROUND | Chassis Ground |
| ANT | Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) |
| GAL | 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 |
correct
incorrect