These video interfaces are universal functional units that are targeted to the needs of different users and installers.
The presence of different wires does not mean that they suppose to be necessarily connected in each case.
Below you can find purpose of the wires you have asked for
- AV1-SEL - 12Volt power comes out from wire by AV1 mode – MAXIMUM power available is 500 mA!!!!!
- AV2-SEL - 12Volt power comes out from wire by AV2 mode – MAXIMUM power available is 500 mA!!!!!
- AV3-SEL - 12Volt power comes out from wire by AV3 mode – MAXIMUM power available is 500 mA!!!!!
- NAVI-SEL - 12Volt power comes out from wire by NAVI mode – MAXIMUM power available is 500 mA!!!!!
- SAFE - connect to GND (power wires or to car chassis) for enable picture in motion (picture from video interface)