Originally posted by Outxider
those harnesses r sold seperately. it makes it so its plug and play. you dont need it. its very easy to install one. ignore the ebrake wiring, u will need to connect the 12v, ground, ignition, and accessory. very easy to do.
when i did it, you needed to connect power ground, and ignition (no accessory) and one wire to the VSS and parking brake