Hi John,

Are you absolutely sure that the wire isn't bare somewhere and shorting out on a piece of metal? BTDT- very recently........

Dave

> On May 27, 2017, at 11:16 PM, John Lauterbach <john@JHL.MGACOXMAIL.COM> wrote:
> 
> Thank you , David and Dennis,
> 
> Just went out and started van after it has been cooling down for about
> four hours. Periodic flashing on oil pressure light at all RPM's as if
> sensor was not connected.
> 
> What should the voltage be on the sensor?
> 
> Where does one get the right oil pressure gauge and how does one hook it
> up?
> 
> Sorry for the dumb questions, but this has been a first in owning
> Vanagons since 1982.
> 
> John
> 
> 
> 
> 
>> On Sat, May 27, 2017 at 8:37 PM, David Beierl wrote:
>> 
>> I'd like to agree with Dennis, but if you had the wrong sender you'd
>> get no
>> blink with key on/engine off, and constant blink any time oil pressure
>> was
>> over ~13 psi.  That does not sound like what you're experiencing.
>> Time to
>> get in there with voltmeter and see what the sender is actually doing,
>> and
>> pressure gauge to see what the engine is doing.  Maybe the L-board is
>> flaky?
>> 
>> Yrs,
>> d
>> 
>> On Sat, May 27, 2017 at 6:55 PM, John Lauterbach
>> <john@jhl.mgacoxmail.com>
>> wrote:
>> 
>>> Thank you very much, David.
>>> 
>>> Mystery continues.  My Son and I checked oil before we drove from the
>>> TBA.  Oil level fine.  I took the van for a spin.  No buzzer over
>>> 2000 rpm,
>>> so the ground wire is in place.  At more than light throttle, oil
>>> pressure
>>> light flashes at same periodic manner than if sensor disconnected.
>>> If I am
>>> say at 2500 rpm, and take my foot off accelerator pedal, light goes
>>> out.
>>> Putting moderate pressure on pedal causes it to go on.  After driving
>>> around about 15 minutes, oil pressure light seemed to return to more
>>> nomal
>>> operation.
>>> 
>>> John
>>> 
>>> 
>>> 
>>> On Sat, May 27, 2017 at 5:35 PM, David Beierl wrote:
>>> 
>>> http://www.oldvolkshome.com/late_van_cluster_install.pdf
>>>> 
>>>> Yrs,
>>>> d
>>>> 
>>>> On Sat, May 27, 2017 at 5:20 PM, John Lauterbach
>>>> <john@jhl.mgacoxmail.com
>>>>> 
>>>> wrote:
>>>> 
>>>> Had to let my local TBA deal with an apparently defective oil
>>>> pressure
>>>>> switch.  Switch replaced, but oil light was flashing regularly at
>>>>> idle
>>>>> when went to pick up van.  Got a call this afternoon.  Mgr. claimed
>>>>> wire
>>>>> was disconnected at instrument panel, and when shop reconnected it,
>>>>> light was off at idle, but came on steady at slight acceleration.
>>>>> Never
>>>>> any problems with oil pressure other than recent switch problem.
>>>>> Engine
>>>>> is 2003 Boston Engine long block.
>>>>> 
>>>>> Van has late model instrument cluster (from batch available in
>>>>> 1999). I
>>>>> have lost crib sheet for wiring changes required this instrunent
>>>>> cluster.  If you know of where I can find one on Internet, please
>>>>> send
>>>>> me the URL.
>>>>> 
>>>>> Thank you,
>>>>> 
>>>>> John
>>>>> 
>>>>>