“Do you have to hook up the prk sw and reverse wire for just the radio and cd player to work as well as the satellite radio when you hook it up as well or just if you want to play DVDs on it is why you hook those wires up.”
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The park switch wire is so you can’t play dvd while driving( safety feature ) so I believe you do. however not the reverse wire, that’s for camera. Don’t quote me on that, it’s my belief and the way I would do it. That being said I use all those features
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