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Originally Posted by biopete
Two fuses blow after running my blower for about 30 seconds. (10) Blower fuse and (5) AC Compressor Switch Over Valve Idle Stabilizer.
I have a 1980 300CD. Are the brushes in motor probably causing this or does anyone know what probably is?
Thanks.
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Sorry to say that your car probably has the early climate-control system with the servo unit on the firewall--an ill-conceived contraption that brings coolant into proximity with current. They crack, they leak, they corrode. They're also costly to replace. See
http://www.thepartsbin.com/mercedes-ac-servo.html
I'm happy to say I have no direct experience with them. But it's on the Fuse 10 circuit, I believe -- I'd look there rather than the blower motor to find out why it's blowing. Unplug the servo and see if any fuses melt.
Good luck --