Quote:
Originally Posted by tangofox007
The aux fan on the subject model vehicle has nothing whatsoever to do with the engine. It is actuated by a temp switch on the a/c receiver/drier and nothing else. It will only come on if the refrigerant temp gets hot enough (62 degrees C) to close the switch. (If you refrigerant level is a bit low, it might never get hot enough, even with the a/c operating.)
With the key in "Run," jumpering the temp switch on the receiver/drier should actuate the fan relay and power the fan. The relay is powered through fuse 12; the fan through fuse C.
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where were you an hour ago....  . .. the fan works fine. Now I have to drill and tap one of the bolts that broke off when I was removing the fan.... so the aucx fan is not part of the normal cooling system? I was hoping this was the reason I run at 100C all the time? I have a thermostat on the way but I most likely will not get it until thursday. I am definitely learning a lot about German engineering... 
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1982 300CD Turbo ( Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)
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