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Old 11-02-2001, 12:59 AM
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oldsouth oldsouth is offline
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Join Date: Feb 2001
Posts: 610
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?
1995 S-350
370K + SOLD
1952 220B Cabriolet
39K kilometers + SOLD
1998 E300D
285K +
2006 E320CDI
130K +
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