Hmmm...the wiring harness was replaced under warranty back at 85K, so I hope I can rule that one out.
I wonder what the rest of the parts add up to...I don't want to start thowing parts at the problem, but at least I have a starting point...
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car