American Autowire 1966-77 Ford Bronco Classic Update Kit (AAW510317)

The American Autowire 1966-77 Ford Bronco Classic Update Kit (AAW510317) is a comprehensive wiring solution designed for modified restoration projects. Unlike a simple factory-style replacement, this kit provides a complete electrical foundation for vehicles with modern upgrades. It is engineered to support the higher electrical demands of components such as electronic fuel injection, high-output alternators, and aftermarket gauges. The harness system is tailored to fit the 1966-1977 Ford Bronco chassis, providing all necessary circuits to rewire the vehicle from headlights to tail lights. The design emphasizes both safety and ease of installation, featuring a modern ATO fuse panel, labeled wiring, and pre-built harnesses for a clean and professional result.

KEY FEATURES AND BENEFITS:

• Supports Modern Upgrades: Engineered to handle EFI systems, high-output alternators, and modern electronic ignitions, providing a full 12-volt primary ignition feed.
• Enhanced Safety and Reliability: Includes a new ATO-style fuse panel and a 175-amp mega fuse kit with 6-gauge charge cable for safe, high-output electrical performance.
• Simplified Installation: Modern GXL wire is labeled every 3-5 inches for easy identification, with pre-built harnesses and included schematics for streamlined installation.
• Versatile Compatibility: Dash harness with a gauge cluster disconnect system works with stock instruments or aftermarket gauges from Dakota Digital, AutoMeter, Classic Instruments, and VDO.
• Customizable Fit: Extra-long leads on engine, front lighting, and rear body harnesses allow custom routing for various engine and transmission combinations.

SPECIFICATIONS:

• Included Components:
• Pre-built dash harness with gauge cluster disconnect system
• Engine and front lighting harness with extra-long leads
• Rear body harness with extra-long leads
• New ATO-style fuse panel
• 175-amp mega fuse kit with 6-gauge charge cable
• Replacement headlight switch with 26-amp internal circuit breaker
• New floor dimmer switch
• Replacement ignition switch
• New wiper switch
• Steering column adapter kit
• Original-replacement connectors, terminals, and lamp sockets
• Installation instructions and schematics

HOW TO USE:

• Preparation: Read the instruction manual and review schematics. Disconnect the battery and remove the original wiring harness and associated components.
• Mount Fuse Panel: Install the new ATO fuse panel in the specified location, typically on the driver’s side of the glove box, drilling holes if required.
• Install Harnesses: Begin with the pre-built dash harness, connecting it to new switches and gauges. Then install the engine/front lighting and rear body harnesses, routing wires to respective components.
• Connect Components: Attach labeled wires to headlights, parking lights, tail lights, and other accessories using the provided connectors and terminals. Connect new switches and steering column adapter.
• Final Connections: Connect the heavy-gauge charge cable to the high-output alternator and route the main power feed to the mega fuse. Reconnect the battery and perform initial electrical checks before starting the engine.

BENEFITS OF USING THE AMERICAN AUTOWIRE 1966-77 FORD BRONCO CLASSIC UPDATE KIT (AAW510317):

• Organized and Efficient: Pre-built harnesses and labeled wires streamline the rewiring process, saving time and effort.
• Reliable Performance: Modern GXL wire and a high-quality fuse panel eliminate common electrical issues found in aging factory wiring.
• Future-Proof: Designed to accommodate future modifications such as engine swaps and advanced lighting without a full electrical overhaul.
• Enhanced Safety: Replaces old wiring and fuses to reduce the risk of electrical shorts, fires, and other hazards.

FEATURES:

• Full-vehicle harness system including dash, engine, front lighting, and rear body wiring
• Six-way power accessory plug for convenient power sourcing
• Dash harness with a “cluster harness disconnect” system
• Engine harness with a switched trigger wire for electric fan relay
• Rear harness wired for backup lights, stop/tail lights, license plate lamps, and dual fuel tank senders
• Heavy-gauge wire and fusible link for high-output charging system support
• Compatibility with stock or aftermarket steering columns via adapter kit