Got in my 1990 300CE yesterday and was driving around town with A/C on. Stopped and started several times with A/C on and then the last time went to turn on the A/C and no blower motor...does not seem to respond at any level with any of the fan speeds on low, high, or auto functions.

No A/C or E/C or function of any of the climate controls. Fuses are good, removed and reinstalled.

Could this be a blower regulator or blower itself...how would I test this scenario?

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Norm K.
'97 E420 Sport
'06 E350 Sedan
'67 Mustang Coupe
'70 F-250
'15 VW Jetta