installed a d3 in my 08 patriot, first i hooked the speed sense wire directly to the computer of the car , it is dk blue/orange. i got no speed pulse with this connection so went out a bought a scosche dccro3sr witch has the outputs for the nav, hooked this up and still no speed pulse, anybody have any ideas?

VSS WIRE Dk.blue/orange At PCM on driver's side fender under hood.This is what I got,make sure your connections are good.