That makes sense. I only suspect the 77 switch of being nonfunctioning because the car hit 200 degrees one day and that fan never turned on. (my temp gauge is Fahrenheit, not Celsius.)

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- K.C.Adams

'77 300D Euro Delivery
OM617 turbo / 4-speed swap
404 Milanbraun Metallic / 134 Dattel MB-Tex

Current status:
* Undergoing body work

My '77 300D progress thread