FW: high pressure oil pressure sensor

[Beer, Jerald S.]

OK, my 94 Cab started flashing the oil icon around 2200 rpm this weekend
(no oil pressure gauge on these cars, drat!!). I assumed the oil was
low, showed 1/2 quart down. Shouldn't be enough to trigger the sensor,
but I dutifully added half a quart. Light still goes off, so I assume I
have a bad high pressure oil pressure sensor. I only have Mr. Bentley
for my 200q20v. Can someone tell me where the sensor is on the V6 and
what/how to test it?? TIA 
Regards, 
Jerry 
91 200qa 
94 Cab