1986 Mercedes Benz 300e WHERE IS THE HEATER CONTROL VALVE?

1986 MERCEDES BENZ 300E
10,200 MILES • 6 CYL • 2WD • AUTOMATIC
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AWB007
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MY BLOWER MOTOR COMES ON ONLY SOMETIMES
Dec 5, 2009 at 6:16 PM
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RASMATAZ
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What is it blowing out Hot or Cold-if it only comes on when it feels like -check the blower motor relay, resistor and could also be the blower switch

Heater control valve is normally attached to the heater hoses
Dec 5, 2009 at 6:34 PM