Make Sure To Hook Up the Parking Brake Wire!! | Tacoma World Nov 28, 2011On the Kenwood units the parking brake wire is light green, if you want video anytime connect this wire to a GROUND (negative). Make sure not to connect this wire to a hot (positive) or you will fry your new dvd player. Now be aware that in most states it is illegal to have video playing where the driver can watch.Parking Brake sensor wire | Tacoma WorldJan 13, 2019Parking Brake Wire.. Ground or Power Supply SideMar 31, 2018See more results kenwood wiring harness parking brake | eBay Save kenwood wiring harness parking brake to get e-mail alerts and updates on your eBay Feed. + Items in search results. SPONSORED. See search results that fit your vehicle. Select Vehicle. Tell us about your vehicle to find the right parts faster. KENWOOD DNX-891HD DNX891HD REVERSE GEAR & PARK BRAKE INPUT WIRE.