FOLLOW UP: Installed new relay, car starts much easier. The real test will be when the temps drop below freezing - should do that tomorrow night.

I suspected the glow relay, but before blowing $120 on a new one, I wanted some confirmation. Thanks to all who replied, I'll keep the other tips in mind in case of any future glow issues.

I didn't go to the boneyard because I've had bad luck with parts there - most anything electrical, or made of plastic or rubber, has been pretty much shot by the time I get it, so it seems.

thanks,

__________________
Charlie

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'66 VW 1300 96K miles
'97 E300D 239K miles
'85 300D 203K miles (sold Sep 2012)