What is the wire color for 2006 Super Duty F250 speed sensor where can you tie into it for a navigation system? I am trying to install a AVIC-Z2 system.

 

I don't remember what color it is, but it should be right there in the radio wiring harness. If you get the Scosche wiring adapter (fd23) it has a wire for it so you don't have to splice into the factory wiring. The metra and bestkits harness do not have this wire.

 

Gray/black found at the radio harness.