I'll check my manual tonight. I know I have done this before, I just have
to remember what I did.
James Nazarian
'71 B roadster
'74 BGT bastardization with big aluminum heart :)
'63 Buick 215 cubic inch 'heart'
On Wed, 18 Aug 1999, Hans Duinhoven wrote:
> Hi James,
>
> Have you heard any news how the gauge can be tested?
> Temporarely (5 seconds max) grounding the other gauges to my opinion is not
> really bad to do.
> It forces the instrument though, but as the instrumnet works on the "hot
> wire"principle, a short time short to ground does not create to much heat.
>
> The oil pressure gauge I assume works on a different principle, because if I
> remember it well, the needle can move quickly unlike the temp. and fuel
> gauge can and need to do so.
> Oil pressure varie directly with the rev. speed of the engine.
>
> Have you go a wiring diagram showing the electrical setup of this gauge?
>
> TIA!
>
> Cheers,
>
> Hans
>
> '71 BGT definitively equipped with an electrical oil pressure gauge
>
>
>
> > -----Original Message-----
> > From: James Nazarian Jr [SMTP:James.Nazarian@Colorado.EDU]
> > Sent: Tuesday, August 17, 1999 12:16 AM
> > To: mgs@autox.team.net
> > Cc: Hans Duinhoven
> > Subject: Re: How to check the oil pressure gauge
> >
> > Hans,
> >
> > The guage went electrical at some point between 66 and 71. The sender is
> > located just below the engine id tag. It is a cylinder with a small oil
> > pipe coming out of the rear into the block and the other side has a
> > connector for a single wire that goes into the harness and directly to the
> > oil guage. If memory serves me the wire is white with brown but I could
> > be wrong. The sender and gauge work similarly to the temperature stuff,
> > but I don't remember how exactly to test them, I think that if you ground
> > the sender lead while it is connected to the gauge you will get one
> > extreme and if you connect it to +12v then you will get the other.
> > Someone please back me up here so I don't say something that will fry his
> > oil gauge.
> >
> > James Nazarian
> > '71 B roadster
> > '74 BGT bastardization with big aluminum heart :)
> > '63 Buick 215 cubic inch 'heart'
> >
> > On Mon, 16 Aug 1999, Skye Poier wrote:
> >
> > > Word on the street is that Hans Duinhoven said:
> > > > how this circuit is wired? funny to see, that the oil pressure
>gauge
> > > > in the
> > > > wiring diagram only is connected to the dash instrument
>illumination
> > > > circuit. (43)
> > > > the diagram does not show any connection to the sender.
> > >
> > > Unless it changed between 1966 and 1971, the oil pressure gauge is
> > controlled
> > > by real live oil fed from a pipe that comes from the block just behind
> > the
> > > distributor.
> > >
> > > Skye
> > >
> > > --
> > > 1966 MGB The MGB Experience __,__\__ Safety Fast!
> > > GHN3L-70307 http://www.mgb.bc.ca/ (_o____o_) MGOFR 1.375
> > >
>
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