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All a/c/c commands come from the pushbutton control unit.
The blower is controlled from a pushbutton command to the blower regulator.
The a/c compressor is controlled thru the MAS relay by a command from the pushbutton.
What exactly is the problem??
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator
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