Some of the VW car fuel pump relays have an rpm/tach signal connection
and this is used to shutdown the fuel pump if rpms reach the max limit.
I have to wonder if you got the right part for your setup.

Mark

Chris S wrote:
> When I bypassed the fuel pump relay it revs to the redline.  Since the problem started after I replaced the relay, we may have found the issue. I will order another relay and cross fingers.
>
> Thanks, Alex!
>
> Chris
>