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Q:

blower motor blow on low speed only on 1992 Mercedes-Benz 300E

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
blower motor blow at low speed could it be the fan speed
resistor
(1) Answer
(1) Comments
Fuse 12 (15 amp) and fuse 15 (30 amp) supply power to the blower control module The control module controls the speed of the fan by varying voltage or ground to the fan, likely the module has failed.
Fan blower motor blow on low speed is the fan speeed resistor