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 (05frontier post) any suggestions??? since im new to nav not exactly sure what to do/where to locate: reverse light/gear, parking brake, illumination, etc. any info will help