LS Swap 4.8 5.3 6.0 GEN 3 Standalone Harness Conversion (Plug & Play)

Myatt Motorsports Professional LS Standalone Harness Conversion. Trust your swap to a master mechanic with 29 years of experience and hundreds of successful conversions.

A standalone harness is the foundation of any reliable LS swap. Don't risk your build with a cheap, generic, mass-produced harness. We provide a custom-tailored, professional-grade conversion service for your factory GM harness.

Whether you have a Gen 3 (0411 / P59), we have the expertise to integrate it perfectly into your project car, C10, OBS, truck, or Jeep.

What's Included in the Service

• Standalone Integration: Converts your factory wiring into a simple 3-wire hookup (Power, Ground, Fuel Pump).
• Wiring Cleanup: Removes all unnecessary wiring for a cleaner look and easier diagnostic capability.
• Power Distribution Hub: Integrated fuse box, relays, OBD2 diagnostic port, and LED Check Engine Light with 3 ft of wire.
• Custom Looming & Tape: Wrapped in professional-grade high-temp flame retardant wire loom.
• Full Labeling: Every major connector group is labeled for a hassle-free installation.
• Direct Tech Support: Direct access to a 29-year experienced mechanic for installation guidance and troubleshooting.

The Myatt Motorsports Difference

How It Works

1. Purchase & Ship: Buy the service and ship us your factory GM harness.
2. Conversion: We perform the custom conversion within 5 business days (current lead time).
3. Return Shipping: We ship it back FREE with USPS or UPS, tracking included.