Thank you all for you help in solving this one.

After reading the suggestions to check the OVP relay I did just that. Wonder of wonders, someone had installed a 7.5 amp fuse that of course was broken. A new 10 amp fuse solved the problem and now the car and owner are happy once again!

__________________
Kyle Fitzpatrick
Materials Engineer

1969 300SEL 6.3
1992 300E
1994 E320 Touring