I recently bought an android head unit for VW CC from aliexpress. There were a few issues installing this head unit, including a non-working rear camera (the screen goes blank) with the engine running. In principle, everything would work fine with the engine off. After some research on the internet I found that I was left with only two options: 1) Set the relay to 12V. 2) Install the built-in condenser filter. Since I had already closed the main unit's bezels and done the wiring, I decided to try this product. I've attached the diagrams (original and modified by me) I used to install it. IMPORTANT: I have therefore decided to test the device first before setting it up permanently. I attached everything as shown in the "modified" diagram. When I turned on the engine, instead of being dark as before, the camera started showing a video stream, but unfortunately with a lot of noise (huge streaks running across the screen). I thought the device didn't work. Then I decided to redo the floor and attach it properly to the metal part of the trunk. And BAMM! The camera worked with a good video feed!
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