my ac blower motor blow at low speed lateley on 1997 Mercedes-Benz E320

The blower motor just start to blow at low speed i beleave it the blower resistor what should it cost to repair this problem

by in Lithonia, GA on May 01, 2011
2 answers 1 comment
ANSWER by on May 02, 2011
usually the resistor burns out it only works on high
ANSWER by on May 02, 2011
I would guess it to be the fan speed regulator. My records indicate 9 out of 10 times when it's low speed only, I've replaced the regulator for a proper repair. Be sure to check the current draw on the blower motor as it may be high creating undo stress on that particular circuit.
COMMENT by on May 21, 2014
is this a big job and does it cost a lot to fix, my fan only blows on the low speeds Thanks