The speedo sensor is mounted to the back of the gauge cluster for 88-91's.
It is driven by the speedo cable. It speedo is reading proper speed, the VSS
is a bad or has a bad connection.

What model is her 90 Civic???????
I have a 91 cluster without tachometer that should fit right in.........

<bigfootmoorman@yahoo.com> wrote in message
news:ZLMmc.237$Ny6.875@mencken.net.nih.gov...
> My daughters 90 civic is giving a '17' error code.
> The manual shows this as a speed sensor problem.
> Just had the timing belt replaced. Could a connector associated
> with that have been left unpluged?
> Can anyone tell me where to look ?
>
> thanks
> mpm