I upgraded 2 rear speakers to Polk audio from my expedition XLT for expedition Timberline with B&O system.
The sound is much better than original speaker.
Today, when I started my timberline, 15” screen is not turned on. I don’t know how screen on. Could you please help to figure out the problem?
I appreciate about that.
I plan to install Amp and Subwoofer for 21 Ford Expedition XLT 6speakers by myself. But please give me an idea about location to ground when connect Amp with power. Thank you.
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