Description
1998–2005 Supercharged 3800 Simplified Standalone Harness
Take the headache out of wiring your supercharged 3800 swap with this plug-and-play simplified harness, built specifically for GM 3800 Supercharged L67 / L32 engines (1998–2005). Designed for reliability and ease of installation, this harness removes unnecessary factory circuits and streamlines the wiring so you can focus on performance instead of wiring diagrams.
Perfect for engine swaps, race cars, and demolition derby builds, this harness provides a clean and dependable solution using brand-new wiring, connectors, and heavy-duty loom.
Key Features
✅ Direct Fit – Designed for 1998–2005 GM 3800 Supercharged L67 / L32 engines
✅ Simplified Layout – Only essential circuits included; eliminates unnecessary factory wiring
✅ High-Quality Materials – Built using new connectors, heavy-duty loom, and properly soldered connections
✅ Plug-and-Play Design – Clearly labeled leads for ignition, fuel pump, power, and grounds
✅ Derby & Swap Friendly – Ideal for demolition derby builds, race cars, and custom swaps
Compatibility
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Designed for 1998–2005 GM Supercharged 3800 engines (L67 / L32)
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2004–2005 Series III Grand Prix applications require a different harness
Why Choose This Harness?
Instead of spending hours tracing factory wiring or dealing with brittle, aging harnesses, this simplified setup gives you a clean, reliable, and easy-to-install wiring solution.
Whether you’re building a derby car, race vehicle, or custom swap, this harness provides one of the fastest and most dependable ways to get your supercharged 3800 running.
