American Autowire 1970-73 Pontiac Firebird Update Kit (AAW510174)

The American Autowire 1970-73 Pontiac Firebird Update Kit (AAW510174) is a complete electrical solution designed for modified vehicles. This kit replaces the factory wiring from headlights to taillights, providing a modern, robust system capable of supporting popular aftermarket upgrades such as electronic fuel injection (EFI), custom gauges, and other accessories. With an ATO-style fuse panel and clearly labeled GXL wiring, this kit offers enhanced reliability, simplified installation, and a professional, clean finish for your vehicle’s electrical system.

KEY FEATURES AND BENEFITS:

• Complete Wiring Solution: Replaces the entire factory harness from front to rear.
• Supports Modern Upgrades: Designed for EFI, aftermarket gauges, and other popular accessories.
• Enhanced Reliability: Modern GXL wiring with labels every 3 to 5 inches reduces installation errors and increases system longevity.
• Ease of Installation: Pre-built dash harness with gauge cluster disconnect system simplifies connections and servicing.
• Custom Routing: Extra-long leads on engine and rear harnesses allow flexible installation to accommodate modified engine placement.
• High-Output Charging Support: Includes 175 amp mega fuse kit with 6-gauge charge cable for high-output alternators.

SPECIFICATIONS:

• Fuse Panel Type: Modern ATO-style
• Wire Type: GXL wire with circuit functions labeled every 3 to 5 inches
• Charge System: 175 amp mega fuse kit with 6-gauge charge cable
• Included Components: Pre-built dash harness with gauge cluster disconnect system, engine and front light harness, rear body wiring harness, headlight switch with 26-amp internal circuit breaker, new floor dimmer switch, turn signal flasher, hazard flasher, horn relay (remotely mounted), original-style bulkhead connectors, six-way power accessory plug, connectors and terminals for GM 69+ and late-model steering columns, gauge cluster printed circuit board connector and terminals, lamp sockets for all rear lights

HOW TO USE:

1. Preparation: Disconnect the battery and remove the existing factory wiring harness, starting from the engine bay and working toward the dashboard and rear of the car.
2. Fuse Panel Installation: Mount the modern ATO-style fuse panel in the original factory location as the central hub.
3. Front and Engine Wiring: Route and install the engine and front light harness, using extra-long leads and bulkhead connectors for clean pass-through into the passenger compartment.
4. Dash and Interior Wiring: Connect the pre-built dash harness, headlight switch, floor dimmer switch, and other dashboard components. Utilize the gauge cluster disconnect system for easy instrument cluster connections.
5. Rear Body Wiring: Install the rear body harness, routing to taillights, license plate lamp, and backup lights.
6. Accessory Integration: Connect aftermarket accessories using the six-way power accessory plug; supports EFI systems and HEI distributors.
7. Final Connections and Testing: Reconnect the battery and verify all electrical systems, including lights, horn, and signals.

BENEFITS OF USING AMERICAN AUTOWIRE 1970-73 PONTIAC FIREBIRD UPDATE KIT (AAW510174):

• Provides a modern, reliable electrical foundation for modified vehicles.
• Eliminates issues associated with brittle, aging factory wiring.
• Supports modern upgrades like EFI, aftermarket gauges, and additional accessories.
• Pre-labeled wires and direct-fit connectors simplify installation and reduce errors.
• Enhances safety with updated fuse and circuit protection.
• Saves time compared to custom wiring, with a professional-quality finish.

FEATURES:

• Pre-installed bulkhead connectors for clean, factory-like pass-through.
• Six-way power accessory plug for aftermarket components.
• Compatible with original and most aftermarket gauges.
• Supports internally regulated “SI” series GM alternators.
• Full 12-volt primary ignition feed wiring.
• Specific connectors included for late-model steering column adaptation.
• Turn signal flasher, hazard flasher, and horn relay are remotely mounted.
• Extra-long engine and rear harness leads for custom routing and modified engine placement.