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Okay I have a 2004 f-150 screw with the audiophile system. I repalced my stock deck with a in dash dvd. Its a pioneer AVH-P5700-dvd. My stock stereo had three plugs in the back but the adapter kit for the new stereo only uses the main one. Its all wired in and working but now my stock sub and stack amp are not working. How do I wire these in? Where is my stock amp? Can I even get these to work with my deck? Any help would be great thanks.
Do you have line level outputs on the new head unit, if so use them for the sub!
Looks like this model has subwoofer preamp outputs. Just use these! Preamp Output: Typically found on headunits, a preamp output provides low level, high quality audio signal for use with external amplifiers.