please check whether you connect the REVERSE-IN wire of the ISO cable connect to the reverse light positive pole or other poles which can get 12V+ power when you put the car into reverse.
If you connected the reverse-in wire ,please check whether it get 12V voltage using the multimeter when you put the car back.
Any further query,please first tell me your order number in amazon or buyer id in ebay,Pumpkin or AliExpress so that we can confirm more information about your unit and provide you positive solutions.
RegardsStatistics: Posted by Jammy — Mon Dec 11, 2017 6:39 am
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