American Autowire 73-79 Ford Truck/78-79 Bronco Update Kit (AAW510342)
The American Autowire 73-79 Ford Truck/78-79 Bronco Update Kit (AAW510342) is a complete, vehicle-specific wiring harness designed to replace the entire electrical system of these classic vehicles. As part of the Classic Update series, it goes beyond a simple replacement, providing a modern, reliable electrical foundation that is ready to support popular upgrades and modifications. From headlight to tail light, this kit provides a solution that eliminates the risk and frustration of dealing with decades-old wiring.
KEY FEATURES AND BENEFITS:
Modernization and Reliability: Replaces the entire stock wiring system with a new, high-quality harness featuring an updated ATO fuse panel and modern GXL wire, eliminating common electrical failures.
Accommodates Modifications: Designed to support upgrades such as electronic fuel injection (EFI), aftermarket gauges, and updated engine/transmission combinations, with extra-long leads for flexible routing.
Simplified Installation: Pre-built harnesses for dash, engine, and front lights, with each wire labeled every 3 to 5 inches for easier installation and future troubleshooting.
Ready for High-Output Systems: The included 175-amp mega fuse kit and 6-gauge charge cable support modern high-output alternators and electrical demands.
Comprehensive Component Replacement: Comes with new headlight switch with 26-amp circuit breaker, floor dimmer switch, and replacement ignition switch compatible with modern systems.
Wire Type: GXL Wire
Fuse Panel: ATO Style
Alternator Support: Designed for high-output, one-wire, or internally regulated alternators (e.g., GM "SI" style)
Included Components:
Pre-built dash harness
Pre-built engine harness
Pre-built front light harness
Rear body wiring
New headlight switch with circuit breaker
New floor dimmer switch
Replacement ignition switch
Standard turn signal and hazard flashers
175-amp mega fuse kit with 6-gauge charge cable
Original-replacement connectors, terminals, and lamp sockets
Steering column adapter kit
Removal of Old Wiring: Safely disconnect the vehicle's battery and remove the original wiring harness, noting routing and connections.
Mounting the Fuse Panel: Install the new ATO fuse panel in the original location using factory mounting points.
Harness Installation: Route the new pre-built harnesses (dash, engine, front lights) according to instructions. Extra-long leads allow both stock and custom routing.
Component Connections: Connect harnesses to components, including headlight, dimmer, and ignition switches, gauges, lights, and accessories, using included connectors and terminals.
Final Checks: Review all connections and harness routing before reconnecting the battery. Verify correct fuse placement and test all electrical functions.
BENEFITS OF USING THE AMERICAN AUTOWIRE 73-79 FORD TRUCK/78-79 BRONCO UPDATE KIT (AAW510342):
Increased Safety: New, reliable wiring reduces the risk of electrical shorts, fires, and failures associated with aging harnesses.
Enhanced Functionality: Provides necessary circuits and power for modern accessories, allowing safe addition of upgrades not supported by the original system.
Simplified Troubleshooting: Clearly labeled wires and modern fuse panel make diagnosing and fixing future electrical issues easier.
Improved Resale Value: A professionally wired vehicle with a modern electrical system is more appealing and valuable to buyers.
Designed for projects requiring more circuits than the original harness
Wire functions labeled every 3 to 5 inches
Pre-built dash harness with a unique gauge cluster disconnect system
Engine and front light harness with extra-long leads for custom routing
Six-way power accessory plug for aftermarket additions
Rear body wiring with extra-long leads
Headlight switch with a 26-amp internal circuit breaker
New floor dimmer switch and replacement ignition switch included
Steering column adapter kit for stock or aftermarket columns
Product identification
- Brand: American Autowire
- Model / MPN: AAW510342
