[urq] Sending units for gauges

urq urq at pacbell.net
Sun Jul 12 23:23:50 PDT 2009

I had an interesting development ... I bought a console from a newer Audi
.... I think it was a 90Q or CoupeQ ... which included the 3 gauge panel with
the wood panel.  Fortunately the seller included the wiring harness ... with
the loom cut after the interface connectors ... *perfect* for someone who
wanted to retrofit the gauges.  

So ... Richard ... I don't have the wiring diagram, but I do have the gauges
and the wiring loom, so I might be able to answer questions ... 

The reason I'm reposting to the group I thought I'd mention that the gauge
panel had 3 gauges *and* the dash light "amplifier" ... my 83 urq doesn't
have an amplifier for the illumination, so this is a welcome development.
I'm wondering if I can get the panel to fit into the "Abt" gauge extension
panel.  Wood doesn't match anything else, but it might look good.  Anyone
who has seen the Abt panel knows that all Abt did was to hack a 3 gauge
panel that mounts in the hole that was intended for the taxi meter.  

The panel has a voltmeter and oil temp and pressure gauge which match the
graphics on the instrument cluster a little better than the VDO gauges do
(IMO).  I was hoping to have a manifold pressure gauge in the extension
panel, so I could put a factory coolant temp in the instrument cluster.  Has
anyone found a manifold pressure/boost gauge which has a face style that
looks like the factory gauges do?

Steve Buchholz

-----Original Message-----

If you are asking whether or not you can use the sending units on the engine
with your new gauges, the answer would be no.  

What would be best would be to get the sending units from the same car the
gauges were taken from, but chances are that will not be possible.  You
should be able to purchase sending units from VDO based on the operating
range of the gauge you have.  

The sending units will screw into the same holes as the originals.  On my
urq I wanted to be able to view the light as well as the gauge, so I
retained the original sender and wiring, and added new wires for the new

You might also want to look into the possibility of fitting the sending unit
in a different location.  On my urq I attached senders in the galleries at
the back of the head ... 

Steve Buchholz

-----Original Message-----

  Am trying to fit VDO 4000s aux gauges to 4kq. What sending units do  
I need? These are specific units for the gauges themselves rather than  
the idiot light arrangement?
Sorry for cross reference.

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