this is my first navigation installation z110bt on 08 nissan frontier (w/o rockford system) and i have a few questions. i found 2 options for the VSS, #1 pin 6 at instrument cluster (07frontier post) #2 Lt.blue at radio harness (06frontier post) any suggestions which should i use??? since im new to nav not exactly sure what to do/where to locate: reverse gear signal, parking brake and illumination. any info will help thanks