This complete kit includes: A replacement headlight switch with an internal 30 amp circuit breaker, retention collar nut, adjustable length shaft and custom knob standard turn signal flasher, hazard flasher, and horn relay mounted on a fuse panel. Fuse box which is designed to fit in the original location. All required hardware is included. New ATO fuse allows easy fuse and circuit breaker accessibility. Harness is laid out and formed to allow for nearly all aftermarket accessories such as gauge packages, wiper systems, heat and air conditioning systems, etc. Original switch connector bodies (exclusive to American Autowire). Steering column connectors will plug directly into most aftermarket steering columns as well as 1969 and later GM columns which utilize stock GM turn signal switches. The original column can also be wired by using the supplied mating connectors and terminals. Along with wiring for your original dome/interior lighting we have included separate under dash light sockets. Instrument cluster wiring is designed with a cluster harness disconnect system for easy service and assembly. This has all original terminals, connectors (exclusively from American Autowire), and light sockets, which are also supplied for original cluster gauges. However, the best aspect of the disconnect system is that any gauge cluster package can be easily and neatly wired in. This includes AUTOMETER, CLASSIC INSTRUMENTS, COVAN CLASSICS, DAKOTA DIGITAL, STEWART WARNER, and VDO just to name a few. Rear body harness assembly is designed to plug into the main harness in the original connector bodies. Flexibility in harness design allows for original or custom routing. Rear body wiring includes backup light wires and mating connectors for backup light leads. License plate lead, connectors and terminals are also included. Fuel tank sender wire and terminals are included. Exclusive! Youll find all the original style light socket pigtails packed into every aspect of this system making it the most complete system of its type in the industry. New floor dimmer switch is provided. Wire length and connection accommodate original floor mount dimmer switch. Original bulkhead connector for the engine and front light wiring is included and ready for installation. There is original routing of the new harness without any body modification. Engine wiring includes connectors for original points type as well as H.E.I. distributors. Power and tach connectors supplied for GM H.E.I. distributors. Alternator connectors are supplied for GM SI series internally regulated alternators. GM CS series alternator adaptor is available separately. Front lighting includes extra long leads for special routing when custom under hood appearance is desired. All headlight, park light, and directional light connectors and terminals are provided, as well as switched trigger wire for electric fan relay (usually recommended with AC).