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#1
06-02-2007, 10:56 PM
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Auxilary fan problem HELP it's HOT
Ok first off the car is a 1982 300D. The auxilary cooling fan does not come on with the temp sensor at the thermostat grounded. It does however come on when I close the loop at the AC temp sensor at the filter drier. I have a voltage at the wire leading to the temp switch at the thermostat housing ranging from 3.25 to around 13 volts. The voltage is there even when I remove the relays located on the left fender well. Engine temps are getting to nearly 100 degrees. Is that hot enough to make the temp sensor ground the circut?
Now what? 
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1984 280SEL, 62,000 miles Euro model in the USA 1983 300D (Totaled out 10/2004)  New Factory Mint Green paint Palomino int 1982 240D (Steak dinner for two) 
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#2
06-03-2007, 01:58 AM
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Fans
No it is between 110 and 115 deg C but it should come on low with the a/c on and go to high if the temp. goes above the 110 mark
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Keeping 'em Running 1990 300SEL 1994 E320 1989 E300 
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#3
06-03-2007, 02:14 AM
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Why???
Why won't the fan come on when I ground the wire for the temp sensor?
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1984 280SEL, 62,000 miles Euro model in the USA 1983 300D (Totaled out 10/2004) New Factory Mint Green paint Palomino int 1982 240D (Steak dinner for two)
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