The ACC wire is used for controlling your original and our unit turn on or off.
It needs to get 12V power supply from your car.
And our universal unit working situation is as below.
The red(ACC) wire should be connected to your car ACC wire or cigar lighter positive pole, the yellow wire to your car battery positive wire, and the black wire to GND.
RegardsStatistics: Posted by Jammy — Tue Feb 07, 2017 10:04 am
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