Ben, sounds messy ;)
Caitlin
--- In diesel_mercedes@yahoogroups.com, "bgiovan@..." <bgiovan@...> wrote:
>
> Careful on disconnecting the oil pressure gauge unless you like motor
> oil squirting on your shoes. While you're driving. Ask me how I know.
>
> Ben near Detroit.
>
> On 11/15/2011 4:43 PM, CaitlinDean wrote:
> >
> > I confirmed that indeed the gauge is stuck as high as it goes when the
> > cluster is merely plugged in (no key in ignition, car obvi not
> > running, etc) at all times.
> >
> > I'm not totally sure what to look for other than brown wires that have
> > "loose connections" and tighten them...and maybe bare wires too...
> >
> > My electrical gremlin count is growing and I still haven't even
> > found/fixed one...(ok, that's cuz I'm sort of avoiding them)
> >
> > Good to know I can shoot for 130MPH ;) despite what the speedo
> > says...but the one that goes higher was orig to the car and at least i
> > have a spare for if/when I send out mine for repair.
> >
> > Gonna go check the voltage regulator (as suggested) and also see if I
> > can't rejuvenate my hazard switch in hopes of restoring signals (they
> > light, inside and out, but don't blink). While after the hazard, I
> > hope to check and dig around in the wiring behind the console in hopes
> > of finding gremmies.
> >
> > Caitlin
> > Santa Fe
> >
> > --- In diesel_mercedes@yahoogroups.com
> > <mailto:diesel_mercedes%40yahoogroups.com>, "Nate" <vwnate1@> wrote:
> > >
> > >
> > > OBTW :
> > >
> > > The speedo stops @ 85 MPH but the _car_ will top 130 MPH once it's
> > running well .
> > >
> > > -Nate
> > > Caitlin wrote:
> > > >
> > > > When I got Betty, I knew the odometer wasn't working. When I drove
> > her home after picking her up, it was dark and torrential rain (not
> > common in these dry parts) and so I discovered that the left half of
> > the cluster was too dark to see and the left turn signal light was out.
> > > >
> > > > I've since noticed that the oil pressure gauge always reads the
> > highest and never moves. The clock doesn't work (ok, who cares) and
> > the tach jiggles. And the kicker is that the speedo only goes up to
> > 85MPH (as in, that's the highest mark that's on the gauge face). All
> > other warning lights seem to be just fine.
> > > >
> > > > Luckily the PO included what was theoretically the original
> > cluster and today I dug into some troubleshooting and minor fixes
> > after I performed my very first oil change. Ever. (Messy, but it feels
> > good)
> > > >
> > > > Between the 2 clusters and some new bulbs I was able to
> > > >
> > > > * fix the missing lighting on the left side of the cluster
> > > > * fix the left turn signal light
> > > > * install the original speedo (also broken)
> > > > * used the "better" potentiometer until I can spring for a new one
> > > >
> > > > So the lights and bulbs are all working and I can see it at
> > night...yay!
> > > >
> > > > Here's what's left...
> > > >
> > > > * speedometer definitely broken beyond my skills...the gears are
> > broken (missing teeth etc)
> > > > * tach jiggle...gonna check the amp since it jiggled with both
> > clusters
> > > > * oil pressure...also busted with both clusters, when plugged in
> > both read 3 (highest)
> > > > * new potentiometer
> > > >
> > > > QUESTIONS:
> > > >
> > > > 1) Oil Pressure ... is my problem likely the oil pressure sensor?
> > Is this the same as the Oil Pressure "switch"? Any other
> > troubleshooting to do to really find the problem?
> > > >
> > > > 2) The speedo I took out, that only has markings for up to about
> > 85MPH (140km) has a part number: 126 542 44 01 ... what car does this
> > go to? I tried searching, no luck.
> > > >
> > > > 3) For speedometer fixing...who do you recommend? I requested a
> > quote from speedometer.com
> > > >
> > > >
> > > > Thanks!
> > > > Caitlin
> > > > Santa Fe
> > > >
> > >
> >
> >
>
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