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#1
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defrost/blower issue
boys and girls,
circa 1987 420sel has issues....defrost comes on when it wants to....no set temp.... also, in the morning, when cold, there is a blinking light /clicking noise from the air circulation switch on the acc(the one next to the defrost)...the blinking/clicking will take the blower off line ideas please...cold in west texas lyle |
#2
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The system is signaling a short in the aux water pump, heater valve OR one of the sensors.
Try un-plugging the aux water pump or heater valve 1st.
__________________
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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