Abbreviations of head unit pinouts
| 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 |
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