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American Autowire Severe Duty Universal Wiring Harness Kit SKU: 6141W

American Autowire Severe Duty Universal Wiring Harness Kit

American Autowire Severe Duty Universal Wiring Harness Kit

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Purchase American Autowire Severe Duty Universal Wiring Harness Kit
$855.10 SKU: 6141W

Universal
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Product Overview:

The Severe Duty Universal Wiring Kit from American Autowire is engineered for enthusiasts who want to do it once—and do it right. Whether you’re working on a fully custom build or just tired of patching together an old wiring nightmare, this system gives you the power, protection, and precision your rig deserves. With labeled GXL wire, sealed connectors, and support for all major aftermarket gauges and accessories, it’s the most dependable, customizable wiring kit on the market. Ready for the trail. Ready for the street. Ready for whatever you throw at it.

Full description

The Severe Duty Universal Wiring Kit from American Autowire is engineered for enthusiasts who want to do it once—and do it right. Whether you’re working on a fully custom build or just tired of patching together an old wiring nightmare, this system gives you the power, protection, and precision your rig deserves. With labeled GXL wire, sealed connectors, and support for all major aftermarket gauges and accessories, it’s the most dependable, customizable wiring kit on the market. Ready for the trail. Ready for the street. Ready for whatever you throw at it.


American Autowire Severe Duty Universal Wiring Harness

For those who demand more from their electrical system, the American Autowire Severe Duty Universal Wiring Harness is the ultimate solution. Whether you’re building a custom trail rig, modernizing a vintage Bronco, or cleaning up an overcomplicated project vehicle, this wiring kit gives you unmatched control, durability, and future-proof design. Its sealed 24-circuit fuse box, high-temp wiring, and marine-grade protection make it ideal for harsh environments—under the hood, in the elements, or wherever you want to mount it.

Whether you're customizing your rig for extreme off-road or building a high-end hot rod, this system offers flexibility and protection other kits simply can't touch. From trail reliability to street performance, it’s the go-to wiring solution when quality and function matter most.


  • Sealed 24-circuit fuse box – Mount anywhere, even in exposed or under-hood locations.

  • 200 amp sealed manual-reset breaker – System-wide protection plus manual shut-off for service or emergencies.

  • Pre-terminated GXL wiring – Over 200" of heat-resistant labeled wire for easy routing and diagnostics.

  • Electronic LED-compatible flasher – Ready for modern lighting systems right out of the box.

  • Compatible with popular gauges – Connects to Dakota Digital, Autometer, VDO, and more.

  • Optional accessory circuits – 8 extra circuits and a sealed accessory harness included.

  • Includes switches and subkits – Pre-terminated leads for headlights, signals, engine sensors, and more.


Whether you're wiring a custom trail rig or show-ready project car, this sealed 24-circuit wiring system offers durability and flexibility for a clean install.

pdf-file

Instruction 1

pdf-file

Instruction 2

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PRODUCT REVIEWS
Rob Coke
Reviewed 06/24/2017
The American Autowire Severe Duty wire harness is a complete, high quality rig!!! Thanks WildHorses4x4!!!

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