I have just recently purchased a 2000 C70 conv. I have never owned a Volvo before but I have always admired these cars. So far my experience has been a good one except for a few small glitches. I am having problems with my passenger seat. In my case the seat bottom will move in all directions but the backrest is dead I can hear clicks as if the switch is still good but no movement. Is this one of those disconnected wire problems I have read about, or more likely a motor problem?