Just use the power from the reverse light. It’s so easy to get too.
I agree don’t go wireless they are not as good as hard wired.
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So last night, my son hardwired his rear view cam using the reverse light power. He did an A1 job of concealing the wiring.
Before closing things up, he tested it and works fine going into reverse, however, when I tested it this morning, I notice a slight flicker on the HU display. I have a similar one wired up on the w202 and no flicker.
I read thru some info on the flicker issue on the mb rv cam viewing and others attributed it to the way MB set up the voltage signal that goes thru the wires for the keeping a check on any bulb burnout issue. A 'pulse' signal that still shows as 12V going thru a multi-meter, but on an oscilloscope, the signal shows as square sign waves. This pulsing is what causes the slight flickering (the faint horizontal lines) on the RV display vs. a crisp image.
As anyone corrected this with the use of either a capacitor or relay at the back to correct this issue?