About Fastline Wiring and Fabrication

Fastline Wiring and Fabrication is a San Tan Valley, Arizona based shop specializing in custom wiring harnesses, offroad wiring, fabrication, and plasma cutting for offroad and performance vehicles. We work on race trucks, UTVs, Jeeps, rock crawlers, prerunners, and custom automotive builds. Our goal is to build clean, reliable wiring and strong fabrication that is built to handle harsh offroad conditions including heat, vibration, dust, and mud. Fastline Wiring and Fabrication serves customers throughout San Tan Valley, Queen Creek, Gilbert, Mesa, Chandler, Phoenix, and surrounding Arizona areas.

What We Do

We provide custom wiring and fabrication services for offroad vehicles, race vehicles, and custom automotive builds. Our services include complete wiring harnesses, switch panel wiring, accessory wiring, troubleshooting, and custom fabricated parts such as brackets, mounts, battery trays, and panels. Every project is built custom for your vehicle and your application.

Offroad and race vehicles require more than basic wiring and fabrication. These vehicles operate in extreme conditions and need properly built systems to prevent failures. We use proper wiring methods, high-quality materials, sealed connectors, proper loom, and secure mounting to ensure your wiring system is dependable. Our fabrication work is built strong, clean, and designed for real-world offroad use.

We work with a wide range of customers, including:

• Individual vehicle owners
• Offroad enthusiasts
• Race teams
• Offroad builders
• Automotive shops
• Custom truck builders
• Fabrication shops

Whether you need a small project completed or a full vehicle wired and fabricated, we can help.

• Clean, professional wiring
• Built for offroad conditions
• Custom built for your vehicle
• Reliable and easy to service
• Fabrication built to last
• Fast turnaround times
• Serving Arizona offroad community

At Fastline Wiring and Fabrication, we focus on quality, reliability, and clean workmanship. We take pride in building wiring and fabrication the right way so your vehicle performs the way it should when it matters most.