I am trying to install a Pioneer AVIC N2 Navigation System into a 2005 Sprinter and can't find the VSS (vehicle speed sensor) wire location. I have been all over the web, down to our local Dodge service, Freightliner service as well as Mercedes Benz and no luck.Apparently no one has run accross this issue. As far as I can tell, the wires coming from the Transmision seem to be for all 4 wheels, each giving a separate reading for each wheel. There is a wiring box under the dash near the driver side door which looks to be the place to start.

Can any one help? I just need the location and color of the wire.

thanks.