OK I did some searching so please no complaining about using the search feature,

I really did not turn up results I needed. all answers found were cheap ways out, Dont bother, dont need it, who cares.

Well I do. I enjoy knowing my system is wired 100% correctly.

So what I need to know is where the easiest place to pick up the speed signal and reverse lights from.

I have a an AVIC-F90BT

 

N/M gray/black in the radio harness.