PODOFO ISO Standard Harness to Wire Adapter, ISO Power Cable and Speaker Cable for MP5 Car Radio(Q3203powercable)

ISO Standard Harness to Wire Adapter, ISO Power Cable and Speaker Cable for Car Radio Power Cable: Red wire connects to ACC (ignition switch)Yellow wire connects to 12V battery positiveBlack wire connects to 12V battery negative Brake - connect to hand brakeFunction: to activate video warning function （If you don't need this function, you can just cover it by insulating tape）(video warning function: when you are driving, not allow to play video, showing warning on screen. If you have connected this wire, you can also turn off this function in setting - video warning/parking setting) ILL - connect to car's headlightFunction: to lower car radio's brightness when you turn on the headlight (night mode)Backin/REVERSE/BACK - connect to car's rear lightFunction: to trigger car radio to enter reversing mode, showing rear camera image automatically when you put rear gearKey1 - steering wheel control lines