On Sun, May 28, 2017 at 10:59 AM, John Lauterbach <john@jhl.mgacoxmail.com>
wrote:

> Thank you to all for your help.
>
> Here are the new data starting with engine cold.
>
> Ignition switch on 11.83 volts
>

But no blinking OIL light?  Abnormal.

>
> Engine turned on 0.01 volts oil pressure light flashing
>

Given the prior condition, this indicates wrong sender like Dennis said,
that is normally open instead of normally closed.

>
> Engine warmed up at idle 12 volts oil pressure light is off
>
> Engine warmed at  about 1500 rpm and above, 0.01 volts oil pressure
> light flashing
>

Ok, these are consistent with wrong sender.  Oil pressure drops below 13
psi at idle as engine warms.  Light goes out.  Engine goes above 13 psi at
1500 rpm, light flashes.

Yrs,
d

>
>