PLEASE HELP! (speedometer related)

Peter Schulz peschulz at
Wed May 22 15:13:17 EDT 2002


I _think_  I found it.
I recall a connector with two leads going to near the location of the
common ground "break" on our instrument clusters - and guess what- they
supply power and ground to the speedometer.....

go to :
to get a better idea of what I'm talking about



At 05:21 PM 5/21/2002 -0700, Mike wrote:
>I replaced the ignigtion switch in my 1990 200 tq and to do so I had to take
>out the gauge cluster and the peice below the steering column where some
>and fuses are.
>After I put everything back as I thought it was, the speedometer, odometer,
>tripometer, average mpg and average mph are not working.
>There is a red and purple plug with two wires, one white and green, the other
>white and brown, that is hanging down below the steering column. it has a tag
>on it that has printed on it:
>443 971 581 F
>AU 1 j002 1 13
>Does anyone know what this plug is? Is it some sort of diagnostic thing or
>it actually go somewhere? I can't remember if it was there before I started
>taking stuff apart or not.
>I took off the gauge cluster today and unplugged/replugged the plugs to it,
>but it still didnt work. Which is the plug specific to the speedometer?
>Are there any relays that control any of the above mentioned things that are
>Sorry for the length, but I need to get this stuff working. Thanks in advance.

Peter Schulz
1990 CQ
1991 200 20v TQW indigo mica
1991 200 20v TQW titanium grey
Chelmsford, MA USA
peschulz at

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