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1985 mercedes 300 sd- ac/ heat?


New member
I turn my ignition and power the ac or defroster and i get no feedback. I DO get a humming sound coming from my evaporator. Ive checked the fuses quickly with my meter, but I dont know where my next step should be. I noticed that one connection of the blower was loose, but i reapplied it and still no feedback. Currently the blower is out and i still get the noise.

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