Woody, It sure would be nice if it is the wires. The issue sure does act like a bad connection somewhere in the ignition system. I think however, we will have to look outside of the ignition as the only things left are the rpm sensor and the ezl.
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)