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Old 09-10-2002, 01:31 AM
bjfhmd bjfhmd is offline
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Join Date: Dec 2001
Location: Rutherford, NJ
Posts: 29
Actually, the "low" setting of the auxillary fan and the electromagnetic fan are both triggered by the freon pressure switch on the A/C drier. The 'high" setting of the auxillary fan is triggered by the temperature sensor in front of the engine. If you are running your 16v without A/C, both fans have to be triggered at temps above 100 degrees C.

*(100 deg C for the Elect. mag. fan and 110 for the Aux fan @ high: Red 3 prong switch for 16v)

*(105 deg C for the Elect. mag. fan and 115 for the Aux fan @ high: Green 3 prong switch for the 8v)

There are times that having your aux fan run at least on "low" actually prevents the temp from reaching above 100 degrees C to trigger your "highs".

I agree that 75 degrees C is a bit too low.
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1986 190E 2.3-16
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