Mercedes-Benz 560SEL Problem Report

Mercedes-Benz 560SEL Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor

(5 reports)

Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.

O MY GOSH, 1990 560 SEL: Blower motor, Heater motor, I checked fuse #5, and the fuse in the black casing (Strip fuse) next to fuse box, ALL FUSES ARE GREAT, Heater motor wont work. I checked the Heater blower motor behind the glove box, FOUND OUT THE GROUND (Blue) Wire is bad! I connect a wire from ground wire to metal somewhere else on the car, and The blower works! BUT! IT won't shut off, it will not turn off once I press the switch on the center console. It only works on high speed now! And the "OFF" switch will not work! Helpppp! -
AC/Heater blower inoperative....trouble shooting. -
HVAC blower motor shorts out / cuts off regardless of speed setting. -
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