The American Autowire 500423 Classic Update Kit is a complete, high-performance wiring harness system specifically designed for 1955–56 Chevy passenger cars, including Bel Air, 210, and 150 models. This kit is ideal for restorers and custom builders who want to modernize their vehicle’s electrical system while maintaining compatibility with original components.
Key Features
- Modern Fuse Panel: Updated ATC-style fuse block with blade fuses and a 175-amp mega fuse kit to support high-output charging systems.
- GXL Wiring: High-quality, heat-resistant wire labeled every 3–5 inches for easy identification and routing.
- Pre-Built Dash Harness:
- Exclusive gauge cluster disconnect system
- Compatible with stock and aftermarket instruments
- Engine & Front Light Harness:
- Extra-long leads for custom routing
- Supports updated engine and transmission combinations
- Includes connectors for HEI distributors and internally regulated alternators
- Rear Body Harness:
- Extended leads for flexible routing
- Includes wiring for stop/tail lights, backup lights, license plate lamp, and fuel tank sender
Compatibility & Integration
- Steering Columns: Adapter kit included to mate with stock or aftermarket columns
- Lighting & Switches:
- New headlight switch with 26-amp internal circuit breaker
- New floor dimmer switch
- Correct original-style tube and grommet assemblies for factory lighting connections
- Accessory Support:
- Six-way power accessory plug for items like power windows, seats, cruise control, and more
- Compatible with EFI conversions and aftermarket HVAC systems
What’s Included
- Original-style connectors, terminals, and lamp sockets
- Dash harness, engine/starter harness, front light kit, rear body kit, and park/headlamp connection kit
- Replacement ignition switch compatible with HEI and EFI setups
- Fuse panel mounting bracket and required hardware
- Full-color schematics and step-by-step instructions
Vehicle Fitment
Compatible with:
- Chevrolet: Bel Air, 210, 150 1955–56
