gotFI? Posted October 3, 2007 Report Share Posted October 3, 2007 i think i got bad pre-outs on my pioneer H/U. model # deh-p4700mp. how do i test this? amp was tested. works fine, sub makes bass note when rca's are connected. Link to comment Share on other sites More sharing options...
Guest MegaloManiac Posted October 4, 2007 Report Share Posted October 4, 2007 pioneers are known to have grounding issues with there rcas. its an easy fix. just grab a wire and reground the rcas. (the outter ring of an rca is the ground) Link to comment Share on other sites More sharing options...
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