Just spent the day installing a x710BT in my 98 Lincoln Mark VIII. It powers up fine, all the functions seem to work (Microphone, GPS, CD), but I have no sound either through the radio or CD player. Didn't bother trying my phone. The funny thing is, sound works if I unplug the RCA plugs halfway. The sound comes on for each speaker separately as I do that. I did the bypass, but think my issue is either with grounding or with the oem amp. I know I can rewire the speakers directly-don't want to. I know I can order some type of bypass for the the amp. Don't really want to do that either, b
