After much searching I finally found a place to remove my double din VW Delta stereo. Bought a connector so the VW nlock can connect to the block on my Pioneer stereo. When I connected my head unit I could only turn the stereo on using the source control. Ignition position didn't have any effect. Switched the permanent live and switch live and still the same. So I took the block out to chekck with a multi meter. The permanent live was reading fine then it just went dead. My phone kit is tapped into the cables just before the VW connector block and this is dead too. So any clues as to what's going on? Have I blown a fuse somewhere or something? I need to get this sorted soon or I'm going to set fire to the car.