Head unit pinout abbreviations meaning
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| B+ | Battery+ (12V direct from Battery). |
| 31 | Chassis Ground |
| 15 | Ignition powered. +12 V with the ignition key is in the ACC or ON position. |
| ANT | Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) |
Audio pins |
|
| FR+ | Front right speaker out |
| FL+ | Front left speaker out |
| RR+ | Rear right speaker out |
| LR+ | Rear left speaker out |
| FR-, RF-, FL-, LF-, RR-, LR-, RL- | The corresponding speaker ground |
Misc. pins |
|
| MUT | This pin is used to silence the audio, earthed by some other external components that is connected to the radio. |
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