John, I probably have the circuit board in the dash somewhere. Take a
picture or give me some information as to a part number or what it looks
like. Also, make SURE the connector below the AC and above the exhaust pipe
that allows you to unplug that lower sensor is not corroded, firmly seater
and conducting properly.

Jim

On Wed, Nov 18, 2015 at 3:40 PM John Rodgers <jrodgers113@gmail.com> wrote:

> This light and warning horn fault of coming on around 2200 rpm is still
> plaguing me. I have spoken with a most highly reputable shop and was
> advised this is problematic only in the sense that the dynamic system is
> not working properly, gives erroneous information, and causes near heart
> attacks.
>
> It COULD indicate loss of oil and pressure, but most often not. It's mainly
> a big annoyance, but one you definitely want to check out. The oil pressure
> switches are readily available, but the circuit board that goes in the dash
> pod is not. It seems to be NLA. This raises a problem on how to deal with
> this.
>
> GoWesty makes blue ribbon replacement kit, and it addresses this issue, but
> it's pricey. The other option and the one suggested, and also used by the
> shop, was to install an oil pressure and temperature guage.
>
> The one thing I still am not sure about, was the recomendation to remove
> the wire from the high pressure switch by the water pump pully, and groung
> it to the block or frame.
>
> Any ideas about that?
>
> John
>