Question about powering(and problems)
11-22-2005, 11:10 PM
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Question about powering(and problems)
I have a 04 ML350 and recently tried to install my TV headunit and a dvd player replacing my MCS non navi unit, but my new headunit is not powering up for some reason. I have the 12v wire from the new unit tapped into red wire(#4 connector on pin A)of factory. I've also tried to power up my headrest monitors but they won't power up either. Do I also have to wire the ground, and ignition switch to get power?
