Scott,
I'm not positive.... that's the best place to be measuring voltage.  I would
like it to come direct from (+) on the battery too, but I wanted it
switched.   Not sure how to easily do that without some relay... O_o

peace,
-Ry
http://www.google.com/profiles/rylincoln

On Fri, Jul 23, 2010 at 8:45 PM, Scott Daniel - Turbovans <
scottdaniel@turbovans.com> wrote:

> I would start at the back of the oil pressure gauge.
> it's 3 wires, right ?
> 12 volts, usually 'key on' ..
> signal from sender.
> and ground.
>
> check each of those.
> if the wire from the sender is grounded anywhere ..
> that will make the gauge to go maxed out reading.
>
> hopefully the sender isn't shorted out or damaged somehow.  or gouge for
> that matter.
>
> are you sure the yellow/black wire it a correct one to read charging
> voltage on ?
> I would want to read it directly from battery positive, or the equivalent.
> ..
> though you want it switched of course.
>
> Scott
> ----- Original Message ----- From: "Ry" <rylincoln@GMAIL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Friday, July 23, 2010 6:23 PM
> Subject: Broken Oil Pressure gauge/sender?
>
>
>
>  I was wiring up my new VDO volt gauge and accidentally shorted the (+)
>> feed
>> to my oil pressure gauge(popping a fuse)
>>
>> I finished the job and popped a new fuse in.  Volt gauge works fine,
>> getting
>> ~ 13.8 volts.  This is tapped into yellow/black wire coming from ignition
>> switch.
>>
>> All gauges have grounds going to one of the grounding rings behind and
>> above
>> the fuse block.
>>
>> The problem is my oil pressure gauges just pegs out max now.  I'm not sure
>> how to trouble shoot if it's sender or gauge.
>>
>> NOTE* Oil pressure gauge was working perfectly fine BEFORE i wired up that
>> volt gauge.
>>
>>
>> I disconnected every wire going to the volt gauge and the Oil pressure
>> gauge
>> does the exact same thing still, pegging out.
>>
>>
>> any ideas how to trouble shoot this are welcome! :)  thanks in advance.
>>
>> I SHOULD HAVE WORKED WITH THE BATTERY DISCONNECTED! DOH! :(
>>
>> -Ry
>> http://www.google.com/profiles/rylincoln
>>
>
>