inputs.text: went fine connectors fit properly - got 1999 gmc suburban could plug iphone stereo went fine connectors fit properly bit issue get space managed two problehems immediately became apparent soon started using first cd cd player order work not big deal second opinion fatal flaw output iphone darn low crank stereo order hear really really needs preamp order work well not careful turn volume switch back radio ears not happy used iphone not data well would work devices suspect typical battery powered devices pac made one devices builtin preamp would solve problehem