12 Circuit 66-67 Chevy II / Nova Harness This vehicle specific 12-circuit harness makes easy work of rewiring your Nova. Kit includes three harnesses: Main (dash forward) harness, Tail harness, Dome harness. The following connectors are already installed on the harness: Headlight switch, Headlight connectors, Fuel gauge connector, Dimmer switch, Brake switch, Heater switch, Blower resistor, Wiper switch, Backup switch, Horn, Dash light sockets, Warning light sockets. Also includes: Alt pigtail with connector installed, Harness for factory air, Two door jamb switches, High output alt kit, 50 amp Maxi Fuse.