Description
The American Autowire 1966-67 Fairlane & Comet Update Kit (AAW510391) is a complete wiring solution designed specifically for 1966-67 Ford Fairlane and Mercury Comet vehicles. This kit provides a modern, reliable electrical foundation for “resto-mod” and modified builds, accommodating popular upgrades such as electronic fuel injection (EFI) and aftermarket gauges. Built with high-quality GXL wire and an updated ATO-style fuse panel, it ensures a safe, organized, and professional installation while supporting high-output charging systems.
KEY FEATURES AND BENEFITS:
- Modernization: Provides a robust electrical system capable of supporting modern accessories and upgrades.
- Enhanced Reliability: Replaces old wiring, reducing the risk of shorts, fires, and component failures.
- Customization: Extra-long wire leads allow flexible routing for engine swaps and custom interior layouts.
- Ease of Installation: Labeled wires, pre-built harnesses, and comprehensive instructions simplify the rewiring process.
- Safety: Includes a 175-amp mega fuse and updated circuit breakers for superior protection.
- Future-Proofing: Supports current and future modifications without the need for additional rewiring.
SPECIFICATIONS:
- Part Number: AAW510391
- Application: 1966-67 Ford Fairlane & Mercury Comet
- Wire Type: Modern GXL Wire
- Fuse Panel: ATO-style
- Fuse Rating: 175 amp mega fuse kit with 6-gauge charge cable
- Compatibility: Designed for high-output, internally regulated alternators; not compatible with stock alternators
- Included Components: Updated ATC fuse panel and fuses, complete GXL wire harness, pre-built dash harness with gauge cluster disconnect system, engine/front light harness with extra-long leads, rear body wiring with extra-long leads, headlight switch with 26-amp internal circuit breaker, floor dimmer switch, replacement ignition switch, turn signal and hazard flashers, horn relay, steering column adapter kit, original-replacement connectors, terminals, and lamp sockets, six-way power accessory plug, under-dash courtesy lamps, doorjamb switches with leads, full-color schematics and instructions
HOW TO USE:
- Preparation: Disconnect the vehicle’s battery and remove the existing wiring harness, documenting all connections for reference.
- Mount the Fuse Panel: Install the ATO fuse panel in a secure, accessible location under the dash.
- Install the Harnesses: Begin with the dash harness, connecting it to the fuse panel. Route engine, front, and rear body harnesses using the extra-long leads for clean installation.
- Connect Components: Attach harness leads to the new headlight switch, floor dimmer switch, ignition switch, engine, lights, gauges, and other accessories. Use labeled wires for accurate connections.
- Finalize Connections: Crimp or solder terminals and connectors, ensuring secure and insulated connections. Use the steering column adapter kit for proper integration with the steering column.
- Test: Verify all connections against the schematics. Reconnect the battery and test all electrical systems before operating the vehicle.
BENEFITS OF USING AMERICAN AUTOWIRE 1966-67 FAIRLANE & COMET UPDATE KIT (AAW510391):
- Provides a modern electrical foundation for safe, reliable operation of accessories and upgrades.
- Replaces aging wiring, enhancing reliability and reducing risk of shorts or fires.
- Extra-long leads allow for custom routing and flexible installation options.
- Pre-built harnesses and labeled wires simplify installation and future maintenance.
- Mega fuse and updated circuit breakers enhance overall system safety.
- Supports current and future modifications, eliminating the need for additional rewiring.
FEATURES:
- Pre-built dash harness with a unique gauge cluster disconnect system.
- Engine and front light harness with extra-long leads for custom routing.
- Rear body harness for backup lights, stop/tail lights, and fuel tank sender.
- Heavy-gauge alternator feed and fusible link for high-output charging systems.
- Six-way power accessory plug for convenient aftermarket power connections.
- Replacement ignition switch compatible with EFI and HEI swaps.
- New headlight switch with integrated 26-amp circuit breaker.
- Steering column adapter kit compatible with both stock and aftermarket columns.






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