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#1
07-03-2008, 10:34 PM
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380 SL - electric fan switch - location needed please
Can someone please tell me which is the electric (aux) fan switch on the thermostat housing? I'm assuming it is B but want to check?
To activate the fan does this switch open or close? Manual is on order but will take some time to arrive... Last edited by 300sdToronto; 07-05-2008 at 09:01 AM. Reason: get more help 
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#2
07-05-2008, 09:01 AM
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bump to get help - someone must know where the switch is!
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#3
07-05-2008, 01:56 PM
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If you ground the connector at "B" does the fan engage?
I'm not sure about the '82 but most Benz's use a relay to activate the auxilary cooling fan. Does the fan engage when you turn on the A/C compressor? The sensor acts as a ground trigger to activate the relay. You will not detect any voltage using a voltmeter.
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#4
07-05-2008, 03:45 PM
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Yes it is B, that should turn on the aux fan at 212F or 100C. I believe the other one is the thermo-time switch, not 100% sure though.
__________________
1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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