American Autowire Wiring Harness + Switches | 1966-77 Ford Bronco SKU: NET6050

American Autowire Early Bronco Wiring Harness with Switches

If you're rewiring your classic Bronco, don’t settle for a pieced-together solution. This American Autowire Wire Harness for 1966–1977 Ford Bronco is engineered for modified builds that demand modern performance, increased current capacity, and future-ready functionality.

Designed specifically for upgraded systems like EFI, digital gauges, electric fans, A/C, high-output alternators, and more, this kit delivers a professional-grade wiring solution that installs clean and performs flawlessly. With plug-and-play connectors, pre-routed circuits, and modern components, it’s built to support your Bronco's transformation—whether you're building a showpiece or a serious off-road machine.

Note: This system is designed for modified Broncos and is not compatible with factory ammeters or stock radio speaker location. Fuse panel mounts inside the glove box; a new glove box liner is required.

• Fits 1966–77 Ford Bronco – Designed for modified electrical systems; ideal for restomods and performance builds.

• Supports modern upgrades – Compatible with HEI, MSD, EFI, aftermarket gauges, high-output alternators, and more.

• Glovebox-mounted fuse panel – Enclosed ATO-style panel with labeled lid for clear circuit identification.

• Includes all major switches – Comes with headlight, ignition, dimmer, and wiper switches.

• Designed for safety and power – Built to handle higher amperage loads and optimized for modern charging systems.

Exclusive Features (14)

1. Replacement headlight switch with built-in 25-amp circuit breaker, adjustable-length shaft, and custom knob.

2. Pre-mounted turn signal flasher, hazard flasher, and horn relay integrated into the harness.

3. Compact, enclosed ATO-style fuse panel mounts inside the glove box; labeled cover for easy fuse ID.

4. Custom layout accommodates aftermarket accessories such as gauge packages, HVAC systems, and more.

5. Many original switch connector bodies for factory-like fit—an American Autowire exclusive.

6. Steering column connectors work with stock and most aftermarket columns using included adapters and terminals.

7. Separate under-dash courtesy lamp assemblies included for integration with interior lighting.

8. Instrument cluster disconnect system allows for easy service and supports both factory and aftermarket gauges.

9. Rear body harness assembly with extended leads for custom routing; supports dual tanks, license plate lights, and OE pigtail mating.

10. New floor dimmer switch included, with correct plug and wire length for stock-style mounting.

11. Engine wiring for modern systems—feeds for coil, tach, water temp, oil pressure, electric choke, and high-amp alternators.

12. Front lighting section with long leads, fan relay trigger wire, and mating terminals for custom installs.

13. New indexed ignition switch and connector included.

14. New indexed wiper switch with connector and leads to integrate with the stock motor through the windshield frame.

This isn’t just a wire harness - it’s the backbone of your upgraded Early Bronco electrical system - supports all the modern gear you need on the road or trail.