Patrick;

You have two oil pressure sensing switches.
The low pressure switch (4.4) must _OPEN_ between 2.2 and 6.5 psi.
It is located between cylinder 3 and 4
The other switch (13.1) must _CLOSE_ between 10.9 and 14.8 psi.
It is in the vicinity of the oil pump.
The flashing LED is associated with the 4.4 sensor.
The flashing LED and the buzzer occur with RPM>2000 and no switch closure
from the 13.1 sensor.
A loose connector in the engine compartment gave me the LED/Buzzer
symptom . Locate the double connector where both sensors meet. Clean
here.

Good Luck and Drive Safely
Ken Lewis
86 Crewcab,60 356
http://Neksiwel.20m.com/

On Thu, 12 Jul 2001 19:58:40 -0500 clerkin <clerkin@STUDENTS.UIUC.EDU>
writes:
> OK, well I put the switch in, but now the light just blinks at me.
> No buzzer
> or anything.  It blinks at me all the time.  It does the same thing
> when I
> take the wire to the sensor and ground it.  Isn't that what the
> switch is
> supposed to do, ground at .9 bar?  Does it sound like now the other
> switch is
> bad?
>
> Thanks,
> Patrick
>
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