This complete 1979 Ford Mustang door and window electrical system is the key to restoring full functionality to your classic pony car's power accessories. The late 70s Mustang featured increasingly sophisticated electrical systems, and this comprehensive setup includes all the essential components needed to get your power windows, door locks, and interior lighting operating like new. Whether you're dealing with intermittent window operation, non-functioning door switches, or complete electrical failure, this system provides the reliable connections and properly rated components that Ford originally engineered for smooth, dependable performance. The wiring harnesses are designed to exact OEM specifications, ensuring proper voltage delivery and eliminating the frustration of makeshift repairs that can damage other electrical systems. For restoration purists and daily drivers alike, having fully operational power accessories isn't just about convenience – it's about maintaining the authentic driving experience that made these Mustangs so appealing when they rolled off the assembly line. Don't let faulty electrical components keep you from enjoying the comfort features your 1979 Mustang was designed to provide; invest in this complete electrical solution and restore the seamless operation that enhances both your driving pleasure and the vehicle's overall value.