To follow up on this subject- K.C. was spot on. To get to the resistors you have to take the cowl cover off and they are right there! Unfortunately that wasn't the cause of my problem and it turned out to be the switch (which I thought I had properly checked, but I was wrong). Oh well, I now have one more bit of knowledge on MB repair. Thanks to all who helped- Scott

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1984 300TD 1981 240D