Thanks, and sorry.
I will follow the lead and post what I find. I will clean all connections, even if they look clean.
Current: '91 300TE 4MATIC 317k and climbing...
'81 300TD Wagon 168K "Tank"
'83 240D 216K 4spd manual "Da Bear" (aka best car ever)
"Never sweat the petty things...
and never pet the sweaty things."