Head unit pinout abbreviations meaning
| Pin Notation | Pin function | 
|---|---|
| Power pins | |
| BATT | Battery+ (12V direct from Battery). | 
| GND, GROUND | Chassis Ground | 
| IGN | Ignition powered. +12 V with the ignition key is in the ACC or ON position. | 
| ILL | Backlight adjustment | 
| ANT+, P.ANT, ANT | Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) | 
| Misc. pins | |
| SDARS | Satellite Digital Audio Radio Service | 
| J1850 | Car On Board Diagnostic | 






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