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Radiator fan Not going on?



Trying to figure out why the cooling fan is not coming on?  We have replaced
the thermo swtich with a new cooler one from Techtonics should go on low at
85 degrees Celsius and high at 95 degrees.  Diagnosis we have done is:
Jumpered the fan for both high and low to make sure it works.  It only goes
on if the A/C switch is turn too the left for A/C.  The water temp is way
above the red led in the middle and the oil temp hits 120 degrees Celsius.
Have let the car sit for a long time (20 to 30 minutes) and still the fan
doesn't kick on.  Any suggestions?

Oh this is a 16V engine.

-- 
Don Walter - Waukesha, WI
1986 8V Black Scirocco (Daily Driver)
1984 8V Audi 4000s (RIP 2/14/2006)
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (Ben's Car)
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold)
1969 Karman Ghia (sold)
1969 Beetle (sold)