Thread: W124 AC works at speed, but not at lower rpms
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Old 07-03-2009, 01:12 AM
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Join Date: Feb 2004
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Auxiliary Fans
At stationary rests (Stoplights) and idling around town without the added airflow
of the Auxiliary Fans (They come on Low Speed at high pressure of A/C system)
Red pigtailed (Two Wire) sensor screwed into the receiver/dryer senses and
turns on Low Speed Fans.
'Pull back the insulation at the connectors and "Jumper" the two wires with the ignition key ON,you should get Low Fans.
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