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Old 11-02-2001, 01:59 AM
oldsouth's Avatar
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auxillary fan speeds

On the 140 S-Class cars, they have two speed electric fans. They come on on low speed by a/c head pressure and on high speed by engine temperature. How would I bypass the low speed and make the fans come on high speed by a/c head pressure instead of the normal low speed? I have heard there is a resistor mounted in front of the radiator that controls the low speed. If a person were to bypass this resistor would that do the trick?
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2006 E320CDI
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Old 11-02-2001, 02:54 PM
MIKE FREEMAN
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LOCATE THE RESISTOR FOR LOW SPEED FAN AND CONNECT BOTH WIRES ON THE SAME TERMINAL.
MF
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