The American Autowire Severe Duty Universal Wiring System (AAW510564) is a complete, weatherproof electrical solution for vehicles operating in demanding environments. This kit is designed as a universal fit, making it the ideal choice for custom builds, restorations, off-road vehicles, and projects where a standard wiring harness is not suitable. It is engineered with premium, sealed components to ensure reliability and functionality, even in the presence of water, mud, and other harsh conditions. The system covers all essential electrical needs from engine functions to lighting and gauges, providing a robust foundation for any vehicle.
KEY FEATURES AND BENEFITS:
- Sealed and Weatherproof: Fully sealed 22-circuit fuse box and sealed connectors protect the system from the elements.
- Complete System Protection: A 200-amp resettable circuit breaker safeguards components and allows manual power shutoff.
- Simplified Installation: Pre-terminated harnesses and labeled GXL wires make installation and troubleshooting easier.
- Versatile and Adaptable: Universal design supports a wide range of vehicles and custom builds.
- High-Quality Components: Includes heat-resistant GXL wire, a 30-amp headlight switch, dimmer switch, and LED-compatible electronic flasher.
SPECIFICATIONS:
- Circuits: 22 circuits
- Circuit Protection: Sealed, manually resettable 200-amp circuit breaker
- Wire Type: GXL wire
- Included Components:
- Fully sealed 22-circuit fuse box with electronic flasher and 35-amp relay
- Sealed, manually resettable 200-amp circuit breaker
- Main harness with pre-terminated sealed connectors
- Power harness for starting and charging systems with pre-terminated sealed connectors
- Subkits for turn signals, headlights, taillights, parking lights, brake lights, gauges, third brake light, license plate light, and basic engine functions
- Accessory kit with sealed connector, terminals, and 18, 16, 14, and 12 gauge wire
- 30-amp headlight switch
- Dimmer switch
HOW TO USE:
- Preparation: Plan your wiring layout and determine routing for all harnesses. Sketch a layout if needed.
- Mount the Fuse Box: Securely mount the sealed 22-circuit fuse box in a protected area.
- Install Main Harnesses: Route the main and power harnesses. Cut non-terminated ends to proper length.
- Connect to Components: Wire subkits to headlights, taillights, engine sensors, and other components using labeled wires.
- Install Switches: Connect the headlight and dimmer switches using their pre-terminated connections.
- Add Accessories: Use the accessory kit for additional components requiring power.
- Finalize and Test: Double-check all wiring, reconnect the battery, and test electrical systems.
BENEFITS OF USING THE AMERICAN AUTOWIRE SEVERE DUTY UNIVERSAL WIRING SYSTEM (AAW510564):
- Delivers reliable performance in extreme conditions with sealed components and GXL wire.
- Provides customization flexibility for any vehicle build or restoration.
- Enhances safety with a 200-amp resettable circuit breaker protecting the system.
- Simplifies troubleshooting with wires labeled by function every few inches.
- Ensures a professional, clean installation with pre-terminated harnesses and organized subkits.
FEATURES:
- Fully sealed fuse box with proprietary American Autowire circuit design
- Electronic flasher compatible with incandescent and LED bulbs
- Manually resettable 200-amp circuit breaker
- Pre-terminated harnesses with sealed connectors
- Heat-resistant GXL wire with printed function labels
- Over 200 inches of wire for the main harness and over 100 inches for the power harness
- “Cluster harness disconnect” system for easy servicing
- Accessory kit with multiple wire gauges
- 30-amp headlight switch and dimmer switch with pre-terminated connections
- Subkits for lighting, gauges, and engine functions







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