Flashing coolant level warning on 200TQW

[cobram@juno.com]

I have already checked the switch in the coolant reservoir, moves freely
and makes positive contact.  Removed the plug from the switch and jumped
it, indicator still flashes.  Checked the wiring diagram, grounded the
brown/yellow plug that goes to the four pronged multiswitch under the
gooseneck, light still flashes.  Plugged the multiswitch connector to a
known good switch (switch was well grounded by battery jumper cable),
light still flashes.  Makes no difference if engine is hot or cold. 
Checked connections at all temp sensors.  

Any suggestions?

BCNU,

Cobram@Juno.Com
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