Abbreviations of head unit pinout
| Pin Notation  | 
			Pin function | 
|---|---|
			Power pins | 
		|
| B+, BAT, Bup+, B/Up, B-U, MEM +12 | 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) | 
| MUTE, Mut, mu, TEL, TEL MUTE | This pin is used to silence the audio, earthed by some other external components that is connected to the radio. | 
| GALA,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 | 
		|
| R | Right audio out | 
| L | Left Audio out | 
| 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 | 
| LINE OUT | Audio line out | 
| LINE IN | Audio line in | 
			Misc. pins | 
		|
| Amp | Amplifier control | 
| ACP, ACP+ | Ford ACP bus | 
| DATA IN, DATA OUT | Head unit communication | 
| CAN-L, CAN-H | CAN bus | 
| K-BUS | K-line bus | 
| SW+B | Battery power switch | 
| SDA, SCL, MRQ | Head unit communication | 
| BRAKE | hand brake | 
| CD-IN L+, CD-IN L-, CD-IN R+, CD-IN R- | CD-changer audio | 


