IIRC the high-pressure sender on the 2.1l has a blue body, whereas the
low-pressure one (the only one on 1.9l) has a black body.

Yrs,
d

On Sun, May 28, 2017 at 11:18 AM, David Beierl <dbeierl@attglobal.net>
wrote:

>
> 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
>
>>
>>